Aftermarket Product ReviewProvide questions and answers about aftermarket parts for the Third Generation F-Body.
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Soulds like a pretty healthy setup. I read an advertisment for an intake setup from TPiS. It is called the "miniRam" intake. It explains how using Long Tube Runners are awesome for torque, but not as good for peak HP.
Sounds like you are doing something right though if you are running 12.5 ET.
Nice Job!
Yeah there is also this new invention called the internet. I was reading about it in a magazine. someday people will be able to have forums and post and stuff.
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Hey everyone,
well my motor appears to have gave out. It's got a death rattle now, and it wont tune at all. Besides, two cars is too much with my busy schedual. I've decided to go TPI with my vortec and place it into my IROC. The '82 will be no more
Just to get me back on the road it looks like all i need is to buy that vortec lower base intake.. everything else should work right? Am I forgetting something?
The engine will have the LT4 HOT cam in it, hopefully the stock tune computer will run the engine half decently until i get it dyno tuned?
just curious, what is your fuel pressure set at. do you have an ajustable regulator. i see you have 24lb injectors so roughly you should be around 48 lbs fuel pressure. sounds to me your running out of fuel at hi rpm range. just thought i would mention
it, hopefully it can help you out
frank360
This car is for sale. I no longer own it, as a local dealer friend bought it as a "toy" and is now wanting to sell it. Please e-mail rrautosales1@bellsouth.net (Jesup, GA) if interested.
Re: 383 Vortec switching out cams & timing cover...
I spent a whole lot of time researching here for maxing out my TPI system. I want to put a two piece timing cover on my new engine before dropping it in just in case I want to try different cams.
These type of covers have the reputation for leaking oil, so I'm checking in to see what you've found that works/dosn't work, as I'm sure you didn't plan on pulling out your block for each cam upgrade. Thanx, Nitro-Nicky
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Started IROC project in 2006 thinking to mimic a modern day stealth Mad Max's police Interceptor. Am attempting to maximize every possible cfm out of the TPI system. /Just replaced ENTIRE suspension with Spohn-Moog-UMI/ //Dying to learn PROM programing
instead of changing out runners id recommend swaping the whole manifold there is a great website called tpis.com they have a manifold on there called the miniram 2 wich is just amazing i have rhs heads zz9x cam tpis miniram manifold tpis fuel rail kit the tpis fastpak a 58mm billet throttle body and 36lb tpis injectors along with converting everything to fully roller and an aeromotive a1 fuel pump and im pushin 600 crank bhp
instead of changing out runners id recommend swaping the whole manifold there is a great website called tpis.com they have a manifold on there called the miniram 2 wich is just amazing i have rhs heads zz9x cam tpis miniram manifold tpis fuel rail kit the tpis fastpak a 58mm billet throttle body and 36lb tpis injectors along with converting everything to fully roller and an aeromotive a1 fuel pump and im pushin 600 crank bhp
---Firebird Fever; I'm curious why you thought, after reading the long list of struggles many of us have gone to in order to make the TPI system work miracles, we would be interested in tossing it out and going to 'any other manifold'? Seriously. I think a great deal of us have put untold time, thought, and $$$ into creating a fine tuned and massaged visually factory correct art piece. The reasons we are doing this are vaired. Some really like the TPI look, Some MUST work around restrictive state smog laws, some enjoy experimenting, some stubborn, or like myself; one spark plug short of a tune-up.
Through the struggle of attempting to open up the TPI system into a workable system that Chevrolet Engineers should have designed, it has forced me to understand the interconnectedness of this foundationally important step in computerized systems and the facinating ways each sensor communicates with every other part of the air fuel spark negotiation process. Due to this, I wll be able to stand back and know that I know my 3rd Gen so tremendously intimate ways, almost to the point if I had put together my very first kit car.
In other words; some of us are not interested in modular bolt-ons. We want to feel & experience the science and personal forced learning curves.
I drag race an Infiniti G37. It does its job well, but does not call me to grab a computer TunerCat program on to understand fuel flow charts as they relate to camshaft formulas for maximizing my time on the Dyno. Otherwise we'd have switched it all out to a Demon carburator a long-long time ago!
Thanks for posting the link. I am getting sick and tired of chasing down sensor informaition and havn''t found the time to understand some of the finer points of PROM burning. Perhaps you'll help put at least a couple of us out of our misery by finding and sharing the info!
By the way; where do you hail from? I'm rather curious as to what you needed to program in for using the injectors you chose. Any flood/lean issues at start-up????
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Started IROC project in 2006 thinking to mimic a modern day stealth Mad Max's police Interceptor. Am attempting to maximize every possible cfm out of the TPI system. /Just replaced ENTIRE suspension with Spohn-Moog-UMI/ //Dying to learn PROM programing
Nicky - How did the high-flow lid turn out, I never heard back from ya??
Hey Master Blaster! The lid is just fine. It's been a really busy year and I apologize for being out of touch. God,, I love that lid!!!!! I have the forced air kit to run behind the fog lights, the Huge air lid, the Adjustable MAF and I'm grinding all the slag & rough spots off the new engine block so I can paint it all to match.
The new motor will most likely go in this winter and I plan on learning how to start burning the PROM's by christmas. This month I'm putting together a quicker Infiniti Q45 for something to drive while the IROC is down for the heart transplant. Nitro-Nicky
I was alerted that I got a response to a question... this thread has gone someplace else, anyway, I see an earlier post about picking parts , reasons , etc.. I like the look of original TPI and also as an old drag racer, am interested in how much an intake can change engine HP curve; TPI massive torque. Anyway, my car is a 350 with really good heads, 1.6 rockers that are noisey, fair headers and exhaust, really big butterflies (mostly to slow air at entrance to cyl. no. 2), and big full length tubes. This is in a heavy convert w/ 5 sp. and runs suprisingly hard. Will not say what it does as I have been called bad names here for talking real numbers. I have a '63 vette 350 HP that runs really well (lopey idle and less weight) and Camaro will out MPH it ! I have about $2700. and my own porting/cutting etc. in engine
WWW.OUTLAWPERFORMANCE.COM
I have about $2700. and my own porting/cutting etc. in engine 
