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LT1 Won't start and other issues

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Old Aug 5, 2012 | 07:08 PM
  #101  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
Hey guys. Tranny's in, everything's bolted up, and the only thing that needs to be done is the vacuum lines. Anybody have a good diagram?
Maybe shbox.com has one. If not Just Google it and you will find a Good link
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Old Aug 11, 2012 | 08:05 PM
  #102  
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Re: LT1 Won't start and other issues

Got everything together today and took her for a drive. Baby's got *****. Squealed rubber all the way into fourth gear.

Then my spotter truck (I had a friend follow me to watch, in case fluids and small parts started flying out behind me) flashed his lights. My drive wheel was wobbling.

Either I snapped the whole axle, or I just snapped the spider gear. For now, let's just hope it's the spider gear, but even if it's not, I'm going to order an LS1 disc brake rear from hawks on monday if I can't find one on craigslist.





But either way, god dammit driving that thing was fun. Open headers, baby was loud.
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Old Aug 11, 2012 | 08:11 PM
  #103  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
Got everything together today and took her for a drive. Baby's got *****. Squealed rubber all the way into fourth gear.

Then my spotter truck (I had a friend follow me to watch, in case fluids and small parts started flying out behind me) flashed his lights. My drive wheel was wobbling.

Either I snapped the whole axle, or I just snapped the spider gear. For now, let's just hope it's the spider gear, but even if it's not, I'm going to order an LS1 disc brake rear from hawks on monday if I can't find one on craigslist.





But either way, god dammit driving that thing was fun. Open headers, baby was loud.
I can get you one of them.Glad car is running good!!
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Old Aug 11, 2012 | 08:13 PM
  #104  
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Re: LT1 Won't start and other issues

In good condition? How much?
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Old Aug 11, 2012 | 09:23 PM
  #105  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
In good condition? How much?
I take pics and price on monday.Its at the shop on a ss car.I believe i have 2 of them .Others in a firebird.Price will be around $450
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Old Aug 11, 2012 | 09:28 PM
  #106  
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Re: LT1 Won't start and other issues

PM sent.
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Old Aug 12, 2012 | 06:04 PM
  #107  
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Re: LT1 Won't start and other issues

Alright. Problems have arisen, besides the blown rear.

1st: There's a weird electrical sounding buzz coming from the passenger side of the dash. The interior lights go off when it happens. Oddly, when I press the shifter **** to the right( but not in gear or anything) it goes away and the lights come back on.

2nd: My clutch pedal has lost all pressure and is acting like there's no fluid in it. It doesn't seem to be leaking from anywhere and there's fluid in the reservoir.

3rd: Engine starts and then quickly stops. There's a noticeable rattle when it's shutting down.
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Old Aug 12, 2012 | 08:04 PM
  #108  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
Alright. Problems have arisen, besides the blown rear.

1st: There's a weird electrical sounding buzz coming from the passenger side of the dash. The interior lights go off when it happens. Oddly, when I press the shifter **** to the right( but not in gear or anything) it goes away and the lights come back on.

2nd: My clutch pedal has lost all pressure and is acting like there's no fluid in it. It doesn't seem to be leaking from anywhere and there's fluid in the reservoir.

3rd: Engine starts and then quickly stops. There's a noticeable rattle when it's shutting down.
1. maybe a ground or a bad relay.2.Air in line.Did you bleed it?3.Have not a clue.Does it sound internal?(lets hope not)
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Old Aug 12, 2012 | 08:56 PM
  #109  
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Re: LT1 Won't start and other issues

1. check reverse lockout etc near the shifter. 2. check the slave and rebleed with a pump if possible. 3. record a vid..might help us to hear/see the issue
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Old Sep 4, 2012 | 01:02 PM
  #110  
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Re: LT1 Won't start and other issues

Hey guys. I put the new rear in, and it's seeming to hold the power, for now.

Still idling high. Going to double check the vacuum lines later tonight after my fantasy football draft.

I took it for a drive yesterday in the rain. It won't go ANYWHERE if you give it more than a tiny bit of throttle :-D.

My brother joined me (He has an 84 nissan 300zx turbo) and complained the whole time about how I wasn't shifting it right.

We took his car for a spin shortly afterwards and it turns out he doesn't even know how to do a throttle-less start (He stalled it from a stop sign because he let out the clutch too quickly and killed it). Silly import owners.

I love the car so much it's ridiculous.
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Old Sep 5, 2012 | 05:03 PM
  #111  
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Re: LT1 Won't start and other issues

AAAAAAnnnnnndddddd blew the new rear. Mother******.

It's really troubling to drive a mile with your rear passenger side bouncing like it's on a trampoline.

Oramac, what's the news on that rear?
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Old Sep 5, 2012 | 05:59 PM
  #112  
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Re: LT1 Won't start and other issues

God dammit that thing is fast.

I'm halfway tempted to drive it until the rear actually blows out.
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Old Sep 5, 2012 | 06:38 PM
  #113  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
God dammit that thing is fast.

I'm halfway tempted to drive it until the rear actually blows out.
Am trying to get him to move his azz on this lean.I ask agin on friday.I asked last week,And he said he has not went to dnv yet.Am doing what i can.Might want to look else where.I might have one out of a
Chevy Impala? Has a LT IN IT.
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Old Sep 5, 2012 | 07:24 PM
  #114  
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Re: LT1 Won't start and other issues

Will that hook up to a camaro?
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Old Sep 5, 2012 | 08:38 PM
  #115  
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Re: LT1 Won't start and other issues

Wow dude - What type of rear end did you put in it ?? The poor thing only lasted like a week !!

It's really troubling to drive a mile with your rear passenger side bouncing like it's on a trampoline.
That so much sounds like an open diff "Wheel Hop". You've got a rear sway bar installed - right ??

Did you figure out the wiring problem yet ?? Buzzing on the pass side of the Berlinetta dash ALWAYS signals a Light Module problem. Since you mention the interior lights going out but then comming back on when you shift,..... I would look for the Grey wire inside your console. There should be 2 of them..... 1 to the Radio ( headlight ON signal ) and 1 for the light bulb used on the original auto shifter bezel. If you removed the auto bezel and didn't use that light then the grey wire might be touching ground somehow causing a short; Then you move the shifter - and the wire - and everything works again. ( It's a theory ! )

I just spent 2 days tracing down a courtesy light problem in my Berlinetta - turns out the key Chime was sending a switched ground to the door switch and that caused the Light Module to loose control of the courtesy lights !

P.S.
I might have one out of a Chevy Impala? Has a LT IN IT.
Will that hook up to a camaro?
No.

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Old Sep 5, 2012 | 08:49 PM
  #116  
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Re: LT1 Won't start and other issues

Erm, actually, I don't have a rear sway bar yet.

But I really think it's the rear again (phew, my second one in a month). When I push on the chassis to wiggle it, there's a distinct clanking from the rear.

Tomorrow I'm going to get started on the wiring. I have both my pods out of the car at the moment, so I'm thinking that's probably a big part of why it's being funky. I'll get it all back together tomorrow.


John, I've just realized. I think we're the only two people in the world with an LT1 berlinetta. That's pretty cool when you think about it.
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Old Sep 6, 2012 | 04:54 AM
  #117  
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Re: LT1 Won't start and other issues

I was not sure.I keep on him and looking locke.
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Old Sep 6, 2012 | 04:55 AM
  #118  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
Erm, actually, I don't have a rear sway bar yet.

But I really think it's the rear again (phew, my second one in a month). When I push on the chassis to wiggle it, there's a distinct clanking from the rear.

Tomorrow I'm going to get started on the wiring. I have both my pods out of the car at the moment, so I'm thinking that's probably a big part of why it's being funky. I'll get it all back together tomorrow.


John, I've just realized. I think we're the only two people in the world with an LT1 berlinetta. That's pretty cool when you think about it.
Where pics on the car?
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Old Sep 6, 2012 | 06:23 AM
  #119  
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Re: LT1 Won't start and other issues

John's gorgeous beauty of a car can be found at http://berlinetta.info/greencar.htm

Mine are earlier in the thread, I believe.
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Old Sep 6, 2012 | 11:00 AM
  #120  
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Re: LT1 Won't start and other issues

Kyle,.....

My LT1 conversion started about 2 years ago when I got the motor from a craigslist add,..... but I do believe that you're the first to convert a Berlinetta to a running LT1 beast. Yes; VERY cool indeed !

One of my Thirdgens had wheel hop so bad that it blew the shock right thru the body on the pass side. You REALLY want to get a sway bar installed. Besides the fact that it will reduce/eliminate the chance for any wheel hop, you will be SHOCKED at how well the car handles once it's installed. Get as BIG a rear bar as possible. Installing the rear bar will stiffen up the ride more than those Jegsters I bet !

P.S. Not tryin' to jack your thread - I'm just REALLY happy to finally have almost all of my interior re-installed with everything working again !!



P.S.S.
When I push on the chassis to wiggle it, there's a distinct clanking from the rear.
They all make a "clanck, clanck" when the rear of the car is pushed from side to side..... some worse than others. Some new axle bearings might help if the rear end you've got is worth saving.


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Old Sep 6, 2012 | 11:26 AM
  #121  
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Re: LT1 Won't start and other issues

John, you can hijack my threads anytime you want so long as we get to see more pictures of your car.

You're one of my personal heroes, man.
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Old Sep 6, 2012 | 04:35 PM
  #122  
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Re: LT1 Won't start and other issues

Just drove it again. Still very significant wobble from the back end.

Another thing is, it's very rough to drive. What do you guys do about the whole "it feels like a god-damn rocketship if you're in any of the first three gears" thing? Start in second? Skip third? What?
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Old Sep 8, 2012 | 12:02 PM
  #123  
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Re: LT1 Won't start and other issues

I HAVE YOUR REAR!!!!!!!!!!!!Out of a 97 Z28

Last edited by oramac91; Sep 8, 2012 at 10:29 PM.
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Old Sep 8, 2012 | 12:03 PM
  #124  
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Re: LT1 Won't start and other issues

I will pm my number.I see you need a sway bar too.I can go pick that up too if you like?

Last edited by oramac91; Sep 8, 2012 at 10:32 PM.
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Old Sep 9, 2012 | 10:41 PM
  #125  
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Re: LT1 Won't start and other issues

Yeah, that and some springs would be fantastic.
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Old Sep 10, 2012 | 08:06 AM
  #126  
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Re: LT1 Won't start and other issues

Maybe bad end links? I remember a few years back in my dads 1 ton Chevy he had bad end link up front at it literally felt like it was going to just fall apart every time you hit a stop sign.
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Old Sep 10, 2012 | 09:14 AM
  #127  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
Yeah, that and some springs would be fantastic.
I can pick them up to .Let me know when you can pick it up?Thanks Jason
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Old Sep 10, 2012 | 09:39 AM
  #128  
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Re: LT1 Won't start and other issues

I don't think it's the end links. The problem isn't when stopping or stopped. It's more when moving at a steady speed, not accelerating or decelerating. It just feels like the back is flowing. It feels like you're driving on the ocean, and it's really disconcerting.
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Old Sep 10, 2012 | 01:38 PM
  #129  
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Re: LT1 Won't start and other issues

Sounds like the panhard bushings are gone, or a bolt is gone.
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Old Sep 10, 2012 | 09:35 PM
  #130  
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Re: LT1 Won't start and other issues

It feels like you're driving on the ocean, and it's really disconcerting.
Welcome to the wonderfull world of the Berlinetta "NO rear Sway bar" float !! I know they gave te Berlinetta the softest ride of any ThirdGen ever,.... but WTH were they thinking !?!?! Just wait till you get a sway bar installed on that thing !!!

Get the BIGGEST rear sway bar you can get. 24mm on most high end cars ( IROC/ maybe GTA ), but the 25mm can be found from time to time too. You do NOT want a 4th gen rear sway bar ??? ( Wayyyyyyy to small )

P.S. High praise my friend !!! Thanx !!!


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Old Sep 10, 2012 | 10:53 PM
  #131  
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Re: LT1 Won't start and other issues

I'm going to use the 4th gen one for now just because oramac's giving me a decent deal on springs, rear, and sway all together.

I'll pick an iroc one up from a local junkyard sometime soon.
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Old Sep 11, 2012 | 01:00 PM
  #132  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
I'm going to use the 4th gen one for now just because oramac's giving me a decent deal on springs, rear, and sway all together.

I'll pick an iroc one up from a local junkyard sometime soon.
I did not pick the 4th gen.Because of last post.You want me to pick up one of off a 3gen Camaro?Or get the 4th gen?
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Old Sep 11, 2012 | 01:06 PM
  #133  
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Re: LT1 Won't start and other issues

If you can get one just as easily, sure!

Also, where do you live that you have so many parts available?

Around me, I have to strip everything as soon as it gets in the junkyard, and even then, there isn't much.
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Old Sep 11, 2012 | 01:09 PM
  #134  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
If you can get one just as easily, sure!

Also, where do you live that you have so many parts available?

Around me, I have to strip everything as soon as it gets in the junkyard, and even then, there isn't much.
Secret!!



Right out side of baltimore.
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Old Sep 14, 2012 | 08:58 AM
  #135  
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Re: LT1 Won't start and other issues

Hey guys, big update:

I've begun stripping out my interior and I've been falling in love with the idea of making the car a full fledged racecar that I would drive every day. Thoughts?

I got the radio back together yesterday only to blow out my two Sony Xplode 6x9s in the rear (Many curses were heard over the sound of AC/DC rocking out to Back in Black). I haven't put my sub and amp back on yet.

Today I'm going to rip out the rest of the moldy carpets on the passenger side and try to get the pods back on so I can have headlights.

I've also discovered that my gas line is leaking near the tank. They're old rusty lines, so I've got to replace those as well. Should I go braided or rubber?

Also, I'm still getting a shuddering rev. I think this might be due to the gas line leaking (therefore causing no gas to get to the engine), but since it's still idling so high, I wonder if there's still something wrong with the idle.
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Old Sep 14, 2012 | 12:23 PM
  #136  
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Re: LT1 Won't start and other issues

If its a hardline leaking, get some lines from a newer car preferribly 90-92.

The other stuff depends on what you have to do for fittings.
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Old Sep 14, 2012 | 12:24 PM
  #137  
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Re: LT1 Won't start and other issues

I can't just use new metal or rubber lines?
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Old Sep 14, 2012 | 07:19 PM
  #138  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
I can't just use new metal or rubber lines?
I have rubber lines on mine.I had to replace my feul pump.So i just used rubber lines.No problems at all!!!(Upgraded to a highflow pump)
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Old Sep 14, 2012 | 09:08 PM
  #139  
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Re: LT1 Won't start and other issues

see, I figured I could. That makes it SOOOO much cheaper.

Also, I ripped my serpentine belt apart today when starting the car. That was interesting. I saw a lot of smoke and then a loud thwap.

Anybody know the part number for a Corvette accessory serpentine belt?

It's ribbed on both sides.
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Old Sep 14, 2012 | 09:13 PM
  #140  
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Re: LT1 Won't start and other issues

Something locked up.Like a power streening pump or something like thta.Mine did that before.
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Old Sep 14, 2012 | 09:49 PM
  #141  
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Re: LT1 Won't start and other issues

Oh, I hope not. It was a used belt from a 93 corvette that I got when I pulled the accessories. I'm hoping it was just from a stray wire getting caught in it or being loose and coming slightly off the guide.

I'll pick a new one up tomorrow. Along with fuel lines.
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Old Sep 14, 2012 | 09:50 PM
  #142  
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Re: LT1 Won't start and other issues

By the way I just want to say thank you to all you guys who help me out with every little thing. This thread has been the only way I've been able to get my car where I want it to be.

So just, thank you. All of you.
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Old Sep 25, 2012 | 03:57 PM
  #143  
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Re: LT1 Won't start and other issues

Alright. Problems.

I just picked her up from the exhaust shop yesterday (huge flowmaster 3" to 3" exhaust. It's a beauty.)

On the drive home, in the beginning it was fine, but then at one point, I noticed a SIGNIFICANT loss of power. Then today, as soon as I got home from work, I took her for a spin, and it has MAYBE 25% of the power it did a few days ago. It's not the exhaust, before you say anything. It had plenty of power immediately after picking it up.

My father thinks it might be timing, but since timing is controlled by the PCM, I know it can't be. What do you guys think?
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Old Sep 25, 2012 | 04:13 PM
  #144  
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From: Canada,Ont
Car: 1987 TransAm Ttop
Engine: 2005 LQ4
Transmission: Ls1 T56
Axle/Gears: 3:54
Re: LT1 Won't start and other issues

You will lose power having a full exhaust compared to open header..enough to feel according to the butt dyno.Keep in mind if you havent had the car tuned with the exhaust on..then it will be off and lose power.Timing could be slightly off..need to see what the o2 readings are aswell.What exhaust setup is on the car front to back now?
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Old Sep 25, 2012 | 04:43 PM
  #145  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
Alright. Problems.

I just picked her up from the exhaust shop yesterday (huge flowmaster 3" to 3" exhaust. It's a beauty.)

On the drive home, in the beginning it was fine, but then at one point, I noticed a SIGNIFICANT loss of power. Then today, as soon as I got home from work, I took her for a spin, and it has MAYBE 25% of the power it did a few days ago. It's not the exhaust, before you say anything. It had plenty of power immediately after picking it up.

My father thinks it might be timing, but since timing is controlled by the PCM, I know it can't be. What do you guys think?
Remember the brain is a crazy thing.If its alot quieter.You might think it lost power.Still on for this weekend?
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Old Sep 25, 2012 | 04:55 PM
  #146  
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From: South Jersey
Car: 1984 Berlinetta Camaro
Engine: '97 LT1
Transmission: T56
Axle/Gears: 3.23
Re: LT1 Won't start and other issues

It's flow master 3" from the factory y-pipe to the back.

It's not enough to account for the EXTREME lack of power, however. And besides, I drove it immediately after it got installed yesterday, and it was actually faster than open headers (it seriously needed some back pressure). When I say it's a huge loss of power, it really is. It seems like a sensor has gone bad or maybe a blown head gasket (could be possible, I've been high revving it to all hell). Is there any way to properly check what it is before I blow money fixing something mechanical?
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Old Sep 25, 2012 | 05:08 PM
  #147  
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Car: 1984 Firebird
Engine: LT1
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Re: LT1 Won't start and other issues

Is it missing at all? I had a problem that I couldn't track down until recently. My water pump was going and was dripping on my optispark.
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Old Sep 25, 2012 | 05:24 PM
  #148  
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Car: 1984 Berlinetta Camaro
Engine: '97 LT1
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Axle/Gears: 3.23
Re: LT1 Won't start and other issues

That's another thing I thought it could be. And since I just had to change my belt three times in the past week, I had to take off the radiator hoses. Is there any way to dry it out to check if that was the problem?
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Old Sep 25, 2012 | 06:44 PM
  #149  
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Re: LT1 Won't start and other issues

Originally Posted by locke577
That's another thing I thought it could be. And since I just had to change my belt three times in the past week, I had to take off the radiator hoses. Is there any way to dry it out to check if that was the problem?
you have laptop program?
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Old Sep 26, 2012 | 09:59 AM
  #150  
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Car: 1984 Camaro Berlinetta
Engine: LT1
Transmission: T56 6-speed
Axle/Gears: 4.11 LS1 Rear End
Re: LT1 Won't start and other issues

Be sure to use quality fuel line,..... Unlike a carb setup it's a high pressure fuel system so you've got to be sure that any line you use can handle the pressure. 3/8" rubber fuel line is NOT recomended !

Not sure where to point you when it comes to the lack of power. There are soooooo many things that could cause it that it might be a bitch to track down the issue. Lack of fuel, lack of spark, blockage in the exhaust, are just some of the things you need to consider.

Wet Opti-spark = 'Bad things Man' !!

Did you ever tie the LT1 PCM to your check engine light ?? Are you able to connect to an ALDL to pull codes from the PCM ??

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