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Search: Posts Made By: Big Dog Chevy
Showing results 1 to 50 of 298
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Forum: Power Adders
01-26-2015, 04:26 PM
Replies: 855
Views: 217,580
Posted By Big Dog Chevy

Re: Twin Turbo 400 Buildup- '89 Iroc-Z

Good build Orr, running 8s in something you built at home with everyday parts and tools show that with the right knowledge and skill you can do whatever the heck you want! lol
Forum: TBI
04-05-2013, 07:28 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

Yeah if you want the most hp/trq sell that flowmasters 3" stuff and run a minimum 3.5" with dual straight thru mufflers behind the wheels. I have done many systems like that for 3rd and 4th Gens and...
Forum: TBI
04-04-2013, 12:32 PM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

True, a few years ago I did a dual 2.5" off the headers into a single 4" that had a total length of 56" (terminator box) back into dual 2.5s going into two pypes 6" round mufflers. Ran a sample port...
Forum: TBI
04-04-2013, 08:23 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

It will make that with no problem. If you have a flow bench and can port your own stuff do a full port job on those heads. I have gotten Vortecs to flow some crazy CFM for what they are over the...
Forum: TBI
04-04-2013, 08:19 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

A 2.5" Y pipe will Kill a lot of power! You have to put a much better exhaust system on that thing. You have to remember how inportant a good exhaust system really is on a motor.
Forum: TBI
04-04-2013, 08:02 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

Finally someone who understands building motors!! It's so funny how people are so quick to say it can't be done instead of show me how to do it.
Now that cars converter was loose but to gain a...
Forum: TBI
04-03-2013, 11:42 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

I see there is a lot of stuff that is not known. LSA is only a number, to understand how a cam will work with EFI or how it's idle will be is a lot more complex. It's not so much the LSA number but...
Forum: TBI
04-03-2013, 11:33 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

Dude the car was 3400lbs with driver and with that cam I have a 355 that I built that laid down 410 hp 425trq to the wheels! Now that was using a 2" TBI base on a multiport conversion, ported...
Forum: TBI
04-03-2013, 08:10 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

You know what you are right and that's what me and my boys do. We just do it on the track for cash to add insult to injury lol. I wish I could do that in this situation but I guess I have to settle...
Forum: TBI
04-03-2013, 08:01 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

OOOOOk I will call him up to see if I get something as far as vids or scan some of his slips for you guys because I'm tired of people saying the same ole things when people talk about playing with...
Forum: TBI
04-03-2013, 07:55 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

Sorry the EXACT cam info is lol;

Comp Cams 12-412-8
XR264HR-10
it's on a 112 LSA

I was at work and couldn't remember the exact info off the top of my head. I have used that cam for a few...
Forum: TBI
04-03-2013, 07:38 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

Boy I would love to have him set you out some cars then run you down and take your money lol. I would get some time slips from him but you wouldn't believe that neither. Maybe I can video the car but...
Forum: TBI
04-03-2013, 07:32 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

Thank you Fast! Some poeple kill me when they can't believe something that they haven't done yet. That's exactly how we take guys money when we grudge race! They all think the same way, and in the...
Forum: TBI
04-02-2013, 08:28 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

With todays parts and tech their are a lot of fast street cars out there that look like nothing special. My Z28 is one of them (8 second street car) and so is my Mustang (low 11s on motor and still...
Forum: TBI
04-02-2013, 08:16 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

OK, this is a TBI combo that I built a while ago that is alive and running.

91' stock bottom 305 tbi motor (9.7 to 1 CR)
Fully Ported tbi swirls milled .020" 1.94/1.5 valves beehive springs
454...
Forum: TBI
04-01-2013, 07:30 PM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

STREET CARS can use DRs or slicks on the track.:)
Forum: TBI
04-01-2013, 06:55 PM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

Very much so. I own a 91' GT and have it running low 11's on motor with a bolt on stock bottom end 302 and a bunch of ported factory parts. Once you know what's holding a motor back all you have to...
Forum: TBI
04-01-2013, 07:58 AM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

LOL!!! I can lay down a list of 4 proven combos but after hearing them you will just say "noway is't doing that" or something else so what's the point.
Guys have been getting sbf 302s to make that...
Forum: Tech / General Engine
02-21-2013, 07:32 AM
Replies: 18
Views: 10,460
Posted By Big Dog Chevy

Re: XE256H or XE262H cam for 305?

[quote=Reni-Camaro;5495326]XE262H or XE256H :huh:

Well this is my opinion, it seems to me like you want a nice fast car that you can drive when and where you want, easy to tune, get good mpg, and...
Forum: Tech / General Engine
02-21-2013, 07:20 AM
Replies: 31
Views: 4,779
Posted By Big Dog Chevy

Re: L98 No start when warmed up.

Never had one single problem doing that in 24 years. Built many engines and cars.
Forum: Tech / General Engine
02-19-2013, 07:15 AM
Replies: 31
Views: 4,779
Posted By Big Dog Chevy

Re: L98 No start when warmed up.

If you have a second take a look at this: https://www.thirdgen.org/forums/tech-general-engine/673310-58mm-throttle-body-swap.html

Oooohhh ok, I didn't know you had a bigger TBI on it. Yeah you...
Forum: Tech / General Engine
02-18-2013, 04:12 PM
Replies: 31
Views: 4,779
Posted By Big Dog Chevy

Re: L98 No start when warmed up.

Nope that's not it. Did you try a hot start with the charger on the car yet?
Forum: Tech / General Engine
02-18-2013, 07:54 AM
Replies: 18
Views: 10,460
Posted By Big Dog Chevy

Re: XE256H or XE262H cam for 305?

[quote=Fast355;5491745]XE262 would be a better cam in a 305 and give up nothing to the XE256 above the stall speed of a decent converter.

12.8:1 is LEAN for todays fuels which are likely doused...
Forum: Tech / General Engine
02-15-2013, 08:42 AM
Replies: 18
Views: 10,460
Posted By Big Dog Chevy

Re: XE256H or XE262H cam for 305?

That's true.
Forum: Tech / General Engine
02-15-2013, 08:33 AM
Replies: 18
Views: 10,460
Posted By Big Dog Chevy

Re: XE256H or XE262H cam for 305?

Whatever manifold you get just make sure you notch the divider about a inch so that all four of the carb's bores are seeing both sides of the manifold. That will increase the flow of the carb to the...
Forum: Theoretical and Street Racing
02-13-2013, 12:58 PM
Replies: 28
Views: 1,828
Posted By Big Dog Chevy

Re: firebird vs 5.0

A prime example of what a good set-up can do for a car. No real power mods, just making what you have work better. I love stories like this, even if it is about a mustang.

True, oh by the the way...
Forum: Theoretical and Street Racing
02-13-2013, 09:54 AM
Replies: 28
Views: 1,828
Posted By Big Dog Chevy

Re: firebird vs 5.0

Yeah with all what he had he didn't have a chance. If he read up on the stang forums he can get it into the low 13s very easy and for cheap (with stock parts too so watch out). my block has 250k...
Forum: Theoretical and Street Racing
02-13-2013, 09:37 AM
Replies: 28
Views: 1,828
Posted By Big Dog Chevy

Re: firebird vs 5.0

Good run, don't sleep on the AOD stangs. Before my mods my 91 GT went 14.5 on 235/55 street tires with a stock rebuilt AOD, CAI, headers/exhaust, 3.55 gears, bumped up timing, full smog crap, full...
Forum: Tech / General Engine
02-13-2013, 09:23 AM
Replies: 31
Views: 4,779
Posted By Big Dog Chevy

Re: L98 No start when warmed up.

Had a problem like this with a car I was working on a while back. Try a new ignition module (a bad mod might be getting hot) and if that dosen't work try to restart it with a battery charger on the...
Forum: Tech / General Engine
02-13-2013, 09:11 AM
Replies: 18
Views: 10,460
Posted By Big Dog Chevy

Re: XE256H or XE262H cam for 305?

XE256 would give you enuff cam for what you want to do. Getting the heads to flow the best they can will get you more HP than the cam changes anyway. Also put 1.94" valves in the heads with a good 3...
Forum: TBI
01-31-2013, 12:20 PM
Replies: 67
Views: 4,031
Posted By Big Dog Chevy

Re: is 12 seconds realistic with tbi?

I've put together several low 12 second and mid 11 second TBI based setups over the years. Current one I'm doing for a surprise for my dad will be a high 12 second full street 90' camaro TBI based...
Forum: LTX and LSX
06-08-2012, 07:22 AM
Replies: 8
Views: 894
Posted By Big Dog Chevy

Re: Fuel Line Help

Not saying that stock lines can't be used, hell you can use whatever you want on your car. I'm saying that I have worked on many cars and have seen lots of things that people do that I wouldn't take...
Forum: LTX and LSX
06-06-2012, 12:55 PM
Replies: 8
Views: 894
Posted By Big Dog Chevy

Re: Fuel Line Help

I got you, but his motor will be making some good power and he will be adding a power adder in the future. Plus 25 feet of high flow 3/8" fuel line only cost $25 at CP and when I took down my old...
Forum: LTX and LSX
06-06-2012, 08:59 AM
Replies: 8
Views: 894
Posted By Big Dog Chevy

Re: Fuel Line Help

Hell that car is 26 years old. If you have to be up under the car anyway why not upgrade the fuel lines to make sure. One less thing to worry about when you drop in that hot motor:-)
Forum: LTX and LSX
06-06-2012, 08:22 AM
Replies: 8
Views: 894
Posted By Big Dog Chevy

Re: Fuel Line Help

Hey man I got some nice stainless steel lines for you but you have to bend them up and install them yourself lol.
Forum: TBI
04-02-2012, 07:33 AM
Replies: 20
Views: 2,498
Posted By Big Dog Chevy

Re: tbi power programer?

That is not the one I was reffering to. That manifold will work for higher horse power applications but is an overkill for anything making less than 450rwhp. The part number is 3501 or 3502 depending...
Forum: Organized Drag Racing and Autocross
01-19-2012, 07:11 AM
Replies: 237
Views: 9,987
Posted By Big Dog Chevy

Re: RAN TODAY AT THE TRACK

Now you are getting some where. That thing should leave real hard with a true 4500 stall.
Forum: Tech / General Engine
09-19-2011, 04:03 PM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

Lean backfire maybe?
Forum: Tech / General Engine
09-19-2011, 07:11 AM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

Lol, you will see that the more you let that motor breath the more power you will make as long as you have the fuel to support it.
Forum: TPI
09-15-2011, 09:24 AM
Replies: 109
Views: 5,703
Posted By Big Dog Chevy

Re: Just can't dip into the 11's

That will only help if those items are holding you back, if not then it would be a waste of time and money.
Forum: Tech / General Engine
09-13-2011, 12:08 PM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

If you go to Byron let me know and I'll meet you up there and bring my stang if I still have it.
Forum: Tech / General Engine
09-13-2011, 10:28 AM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

Have made over 400 rwhp with a 52mm tb showing 100kpa at wot. Fuel press might have went up due to injectors not flowing enough? have you ran the car at the track with the current setup?
Forum: Tech / General Engine
09-12-2011, 01:25 PM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

I agree, there are other things that isn't right. He should right down all the things that could be holding him back then go through the checklist. Start with the free/low buck stuff first.
Forum: Tech / General Engine
09-12-2011, 07:29 AM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

Yup, been there done that. Back in the day when my Z28 had just a bolt on 350 and was my daily driver I had to worry about the smog testing so I ran dual cats with a 3" Dynomax catback and lost some...
Forum: Tech / General Engine
09-11-2011, 11:44 PM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

Lol, funny. You would make more hp with a better exhaust system on your car and so would he. Not saying you can't make X amount or there is a max that you will hit with X size pipe but once you meet...
Forum: Tech / General Engine
09-10-2011, 12:39 PM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

I saw the injector calculators, but was told that these 32 lb would actually flow enough for 475+ flywheel hp.[/quote]


Yeah that's straight flow with no bends or G-forces to overcome. I always...
Forum: Power Adders
09-10-2011, 08:55 AM
Replies: 855
Views: 217,580
Posted By Big Dog Chevy

Re: Twin Turbo 400 Buildup- '89 Iroc-Z

Well I can give a little info on this motor since it is not in my grudge car. It's a E85/ntrs motor with 13:1 CR. 250/264 @ .050 - .64X"/65X" on 113 LCA. This motor I did everything to it I could...
Forum: Tech / General Engine
09-09-2011, 03:40 PM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

Hey gixx I think you may need more injector. you say you ran the fuel press at 49 psi with 32s. Well on a 355 I had 35s jacked up to 60psi and was maxed out at 410 rwhp. Your combo should do that...
Forum: Power Adders
09-09-2011, 08:53 AM
Replies: 855
Views: 217,580
Posted By Big Dog Chevy

Re: Twin Turbo 400 Buildup- '89 Iroc-Z

You are going to love those heads. I run the same ones with a 2.08/1.60 valves on my 383 and it made over 650 chp@ 6800 rpm. I ported mine myself and got 326 cfm out of them. They are a great bang...
Forum: Tech / General Engine
09-08-2011, 04:52 PM
Replies: 62
Views: 2,967
Posted By Big Dog Chevy

Re: Underperforming 383

You might have some bad injectors. Read the plugs to see if any are showing signs of going lean.
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