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Search: Posts Made By: Rockin-Iroc
Showing results 1 to 50 of 271
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Forum: DFI and ECM
01-31-2006, 10:27 AM
Replies: 7
Views: 798
Posted By Rockin-Iroc

Oh yes. At $94/hour labor and a minimum of one...

Oh yes. At $94/hour labor and a minimum of one hour diagnosis time, I would have easily paid the amount of money that I paid for that computer...IF I was lucky. Chances are, I would have paid at...
Forum: DFI and ECM
01-29-2006, 08:36 PM
Replies: 7
Views: 798
Posted By Rockin-Iroc

Well, the new computer DID seem to help. I went...

Well, the new computer DID seem to help. I went a good 20 miles, and it ran very smoothly. Then it started the same old crap again and guess what I found?

A 12 volt wire with a crimp connector...
Forum: DFI and ECM
01-16-2006, 10:49 AM
Replies: 4
Views: 859
Posted By Rockin-Iroc

It turned out replacing the ECM with a spare 350...

It turned out replacing the ECM with a spare 350 prom I had fixed the problem. We'll see how it goes. Now that it's fixed, it's snowing out, so I still have to take my truck to work.
Forum: DFI and ECM
01-16-2006, 10:46 AM
Replies: 7
Views: 798
Posted By Rockin-Iroc

Yep. Mine fixed too. It was the ECM in my case...

Yep. Mine fixed too. It was the ECM in my case as well.
Forum: DFI and ECM
01-12-2006, 09:44 AM
Replies: 7
Views: 798
Posted By Rockin-Iroc

If you suspect grounding, couldn't you try...

If you suspect grounding, couldn't you try running another ground wire and grounding it somewhere close and see what effect that has? It kind of sounds to me like your ECM is totally whacked. ECM's...
Forum: DFI and ECM
01-12-2006, 09:39 AM
Replies: 4
Views: 859
Posted By Rockin-Iroc

It could be the ground...I just got off reading...

It could be the ground...I just got off reading your thread. On mine, it runs perfectly fine until "power interrupt", so I don't have quite the symptoms you do. But the reason the ground is suspect...
Forum: DFI and ECM
01-10-2006, 08:06 PM
Replies: 4
Views: 859
Posted By Rockin-Iroc

ECM problem???

I'm having a problem, and I think it's my computer dying. Usually when the temperature is cold out, while I"m driving down the road I get an almost constant interruption of power, which is momentary...
Forum: Transmissions and Drivetrain
12-19-2005, 01:38 PM
Replies: 9
Views: 619
Posted By Rockin-Iroc

You know you're right. It had to go sooner or...

You know you're right. It had to go sooner or later. It's just like if my father had a Chevelle or something when I was a kid, I probably would have gotten a little power happy and done the same...
Forum: Transmissions and Drivetrain
12-19-2005, 10:31 AM
Replies: 9
Views: 619
Posted By Rockin-Iroc

You know, there's another symptom, come to think...

You know, there's another symptom, come to think of it. Over the past month, just since I've started having trouble with the transmission, I'd be cruising along on the highway in lock up mode and it...
Forum: Transmissions and Drivetrain
12-19-2005, 10:03 AM
Replies: 9
Views: 619
Posted By Rockin-Iroc

I've checked the fluid, it's fine. I can check...

I've checked the fluid, it's fine. I can check the TV cable. Which way lowers the shift point, by shortening it or lengthening it? I can never seem to remember.

It doesn't explain the whining...
Forum: Transmissions and Drivetrain
12-18-2005, 12:22 PM
Replies: 9
Views: 619
Posted By Rockin-Iroc

One other thing, the fluid is still red, is still...

One other thing, the fluid is still red, is still full, and is not burnt at all. The fluid appears normal.

It will shift into third but I have not tried to see if it goes into 4th.
Forum: Transmissions and Drivetrain
12-18-2005, 12:18 PM
Replies: 9
Views: 619
Posted By Rockin-Iroc

700R4 problems

My 700R4 in a 1986 IROC-Z Camaro has 186,000 miles on it and has never needed any work. For the past 60,000 miles, it's had a strong 355 engine in front of it, with a 2200 rpm stall converter.
...
Forum: Engine Swap
11-19-2005, 10:23 AM
Replies: 117
Important/Useful : 327-350 Fact from Fiction
Views: 118,611
Posted By Rockin-Iroc

I find it hard to believe the tuned port 350...

I find it hard to believe the tuned port 350 never found its way into a truck. That would have made a very torquey truck motor. In fact, I'm also surprised that a Chevy 400 never ended up in a...
Forum: Engine Swap
11-13-2005, 01:05 PM
Replies: 117
Important/Useful : 327-350 Fact from Fiction
Views: 118,611
Posted By Rockin-Iroc

I have to disagree. You cannot discount...

I have to disagree. You cannot discount displacement that easily. I would agree that a built and souped up 327 would make more horsepower than a mild and stock 350, but if you put the same money...
Forum: TPI
11-08-2005, 10:06 AM
Replies: 318
Views: 126,100
Posted By Rockin-Iroc

I've done some reading in an old issue of...

I've done some reading in an old issue of Corvette Fever magazine, concerning swaps from the L98 TPI induction to a higher rpm Miniram intake. The C4 Corvette's stock gears were 3.42:1 and it was...
Forum: TPI
11-04-2005, 04:02 AM
Replies: 318
Views: 126,100
Posted By Rockin-Iroc

kind of. More like a sliding valve that would...

kind of. More like a sliding valve that would open up a freer breathing set of ports. I think the Corvette ZR1 used a similar principle.
Forum: TPI
11-02-2005, 12:44 PM
Replies: 318
Views: 126,100
Posted By Rockin-Iroc

I once came up with an invention for a TPI. By...

I once came up with an invention for a TPI. By combining the long tubes of the TPI with the short tunnel ram tubes, like a Holley Stealth, and then a sliding plate within the upper plenum to block...
Forum: TPI
10-31-2005, 10:32 AM
Replies: 318
Views: 126,100
Posted By Rockin-Iroc

Tuned ports use the concept of "Inertial...

Tuned ports use the concept of "Inertial Supercharging". That's what boosts their torque. The disadvantage is that the range of rpm is limited, and GM chose the range most often encountered in...
Forum: TPI
10-29-2005, 05:24 PM
Replies: 318
Views: 126,100
Posted By Rockin-Iroc

Yeah, if I ever build that 355 into a 388 (3.75"...

Yeah, if I ever build that 355 into a 388 (3.75" stroke, 0.060" overbored), that's probably what I would do too.

For those that don't think the TPI is worth a turd, I just pulled on an LS1 5th gen...
Forum: Exhaust
10-12-2005, 08:36 PM
Replies: 5
Views: 991
Posted By Rockin-Iroc

Dropping the car off Sunday evening should not...

Dropping the car off Sunday evening should not have been a problem if the exhaust guy came in to work at 7 AM Monday like he should have. But he was sick at home with the flu a couple of days,...
Forum: Exhaust
10-12-2005, 08:26 PM
Replies: 73
Views: 4,325
Posted By Rockin-Iroc

5 hours to build that dual exhaust? No way. At...

5 hours to build that dual exhaust? No way. At least twice that long. It took much longer to build my system, using the same method, cutting mandrel J and U bends and TIG welding them from the...
Forum: Exhaust
10-10-2005, 09:58 AM
Replies: 5
Views: 991
Posted By Rockin-Iroc

I dropped the car off yesterday to get it done. ...

I dropped the car off yesterday to get it done. It should work fine. But the Corvette mufflers need to be mounted upside down to fit...I guess the C5 Corvette is substantially wider than a thirdgen...
Forum: Exhaust
10-09-2005, 11:36 AM
Replies: 73
Views: 4,325
Posted By Rockin-Iroc

The only problem I see is that the 3" dual...

The only problem I see is that the 3" dual exhaust set up might actually hurt torque on a small block. You'd have to have a very seriously modified small block to require that large of an exhaust. ...
Forum: Exhaust
10-09-2005, 11:25 AM
Replies: 5
Views: 991
Posted By Rockin-Iroc

Got C5 Vette mufflers for IROC

I've got a true dual exhaust, 2.5" back from Hooker shorty headers into an X-pipe crossover and two catalytic converters in the space where the original single cat was. Two exhaust pipes run down on...
Forum: Theoretical and Street Racing
10-06-2005, 05:04 PM
Replies: 17
Views: 1,084
Posted By Rockin-Iroc

Killjoy, you're an idiot.

Killjoy, you're an idiot.
Forum: Theoretical and Street Racing
10-02-2005, 11:03 AM
Replies: 29
Views: 752
Posted By Rockin-Iroc

I'd say maximize your car's talents, which is...

I'd say maximize your car's talents, which is torque. Force him to launch from a stop. If you can control your wheel spin, he's not going to keep up with you. And even if his turbo gives him...
Forum: Theoretical and Street Racing
10-02-2005, 10:55 AM
Replies: 18
Views: 1,042
Posted By Rockin-Iroc

That is one of the nicest IROC's I've ever seen. ...

That is one of the nicest IROC's I've ever seen. Beautiful car. However, I couldn't do that with mine. In Colorado, it's illegal to go backwards in technology. You couldn't start with a fuel...
Forum: Theoretical and Street Racing
10-01-2005, 07:42 PM
Replies: 17
Views: 1,084
Posted By Rockin-Iroc

Yeah that's true. He would lose less performance...

Yeah that's true. He would lose less performance with his forced induction than I would naturally aspirated. Still, with the aerodynamics of a brick, he'd have to make up for it in the first half...
Forum: Theoretical and Street Racing
10-01-2005, 11:25 AM
Replies: 10
Views: 990
Posted By Rockin-Iroc

I have no doubt your car is QUICK with that...

I have no doubt your car is QUICK with that torquey 383 in it. You probably win almost all street races that you encounter. However, you've got to understand what you're up against. That big block...
Forum: Theoretical and Street Racing
09-29-2005, 06:24 PM
Replies: 17
Views: 1,084
Posted By Rockin-Iroc

Well, Killjoy, I wasn't out looking for a race,...

Well, Killjoy, I wasn't out looking for a race, it was looking for me. I was actually behaving myself. The point WASN"T that I can beat any Ty or Sy out there, that would be extremely arrogant. ...
Forum: Theoretical and Street Racing
09-28-2005, 06:02 PM
Replies: 17
Views: 1,084
Posted By Rockin-Iroc

Took down a punk driving a Typhoon

First my disclaimer. When I was in my mid-20's and for awhile after that, I was a terror out on the streets. Fortunately, I never got caught or was involved in any kind of accident. Nowadays, even...
Forum: Tech / General Engine
09-03-2005, 11:23 AM
Replies: 26
Views: 2,624
Posted By Rockin-Iroc

I've read hot rod articles comparing carbs to EFI...

I've read hot rod articles comparing carbs to EFI on a dyno, and the peak horsepower and torque doesn't change a bit. That's because carbs are built to run efficiently at full power, and that's...
Forum: Engine Swap
09-02-2005, 09:41 AM
Replies: 117
Important/Useful : 327-350 Fact from Fiction
Views: 118,611
Posted By Rockin-Iroc

Torque definitely makes a difference in a street...

Torque definitely makes a difference in a street car. However, with the gas prices getting ridiculous, a smaller displacement 327 (in comparison to a 350) may not be that bad an idea. You should see...
Forum: Engine Swap
09-02-2005, 09:33 AM
Replies: 1
Views: 536
Posted By Rockin-Iroc

Oops, hit the post button instead of reply to...

Oops, hit the post button instead of reply to topic button.
Moderator, if you want to delete this, it's okay.
Kind of looks dyslexic to me...but if it works as a new thread, whatever...

Sorry.:(
Forum: Tech / General Engine
09-02-2005, 09:28 AM
Replies: 1
Views: 589
Posted By Rockin-Iroc

Oops...this was supposed to be a response to...

Oops...this was supposed to be a response to another thread.
I hit the post button instead of reply.
Moderator, if you want to delete it, it's okay. Sorry.
Forum: Tech / General Engine
09-02-2005, 09:28 AM
Replies: 26
Views: 2,624
Posted By Rockin-Iroc

Oops, I replied to this topic but hit the post...

Oops, I replied to this topic but hit the post new topic button.
You'll find my response on "I saw a big improvement in mpg".
Sorry for the mistake.

Maybe someone will think I'm...
Forum: Tech / General Engine
09-02-2005, 09:25 AM
Replies: 1
Views: 589
Posted By Rockin-Iroc

I saw a big mpg improvement

Actually, I already had built my 355 for another '85 IROC that the cops made me get rid of because I had no room to restore it other than out on my driveway. I had the 355 in my '68 Corvette for...
Forum: Engine Swap
09-02-2005, 08:55 AM
Replies: 1
Views: 536
Posted By Rockin-Iroc

Response

Torque definitely makes a difference in a street car. However, with the gas prices getting ridiculous, a smaller displacement 327 (in comparison to a 350) may not be that bad an idea. You should...
Forum: TPI
08-03-2005, 08:50 PM
Replies: 318
Views: 126,100
Posted By Rockin-Iroc

The reason the stock TPI falls on its face at...

The reason the stock TPI falls on its face at 4500 rpm has more to do with the ridiculously wimpy cam GM chose to use with that engine, and the highly restrictive log manifolds. I can't believe GM...
Forum: Electronics
07-31-2005, 11:28 AM
Replies: 3
Views: 581
Posted By Rockin-Iroc

No, it is mechanically broken. It has no stop...

No, it is mechanically broken. It has no stop for the off position.

I spoke to a dealership, and the first time I called, I was told they have to fix it, regardless of how old the recall is. ...
Forum: Engine Swap
07-25-2005, 09:11 AM
Replies: 8
Views: 935
Posted By Rockin-Iroc

Thing is, I've already got the Pontiac 465 built....

Thing is, I've already got the Pontiac 465 built. I was thinking about building a Pontiac-based mountain motor for the Firebird, and then putting the old engine in a 3rd gen.

The nice thing...
Forum: Tech / General Engine
07-24-2005, 10:36 AM
Replies: 4
Views: 1,084
Posted By Rockin-Iroc

Improve breathing, improve the cam, and get a...

Improve breathing, improve the cam, and get a good exhaust system on it. While you're at it, you might have the heads shaved to raise compression a bit.
Forum: Tech / General Engine
07-24-2005, 10:35 AM
Replies: 7
Views: 464
Posted By Rockin-Iroc

The sensor on the side might be the temperature...

The sensor on the side might be the temperature sender. And you can get those at a parts store.
Forum: Tech / General Engine
07-24-2005, 10:33 AM
Replies: 9
Views: 525
Posted By Rockin-Iroc

Yeah that's for sure. Mine's off by exactly 22...

Yeah that's for sure. Mine's off by exactly 22 degrees.
If you want accuracy, consider an Autometer 3-pack, and put them either on the pillar or underneath the center vents.
I'm considering that...
Forum: Tech / General Engine
07-24-2005, 10:24 AM
Replies: 26
Views: 2,624
Posted By Rockin-Iroc

For a street runner, it's hard to beat the TPI. ...

For a street runner, it's hard to beat the TPI. GM put way too small a cam in the TPI cars. If you put a hotter cam in it, with up to 224 degrees duration at 0.050", the TPI will respond with much...
Forum: Engine Swap
07-24-2005, 10:17 AM
Replies: 8
Views: 935
Posted By Rockin-Iroc

455 in a third gen?

Has anybody put a Pontiac 455 in a third gen Trans Am?
I think this would be the ultimate upgrade. I've got a 10:1, 465 cubic inch Pontiac in my '68 Firebird and it's a very serious engine. It's...
Forum: Electronics
07-24-2005, 10:02 AM
Replies: 3
Views: 581
Posted By Rockin-Iroc

Headlight switch won't turn off!

Anybody ever have trouble with their headlight switch? I remember looking up factory recalls and seeing that the only recall on my 86 IROC Camaro was a faulty headlight switch. I never took it in...
Forum: Fabrication
07-12-2005, 09:27 AM
Replies: 219
Views: 80,016
Posted By Rockin-Iroc

I can think of a way to make the louvers open and...

I can think of a way to make the louvers open and close. I'm an engineer, so designing one is the easy part. Making it is all the work.

1. You'd want a frame. You could probably use the hood as...
Forum: Fabrication
07-11-2005, 08:53 AM
Replies: 219
Views: 80,016
Posted By Rockin-Iroc

I thought about cutting out the plastic louvers...

I thought about cutting out the plastic louvers also, but it looked like too much work to me, compared with paying $30-ish to have the steel louvers cut out of mild steel. Besides, what do you do...
Forum: Fabrication
07-08-2005, 12:30 PM
Replies: 219
Views: 80,016
Posted By Rockin-Iroc

Those pics are BEAUTIFUL! Wow, that's pretty...

Those pics are BEAUTIFUL! Wow, that's pretty much what mine's going to look like. Much better than the fake plastic louvers that like to break all the time!

On a tuned port motor, the...
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