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Quote from: no1kickerThe L67 swap is pretty common. I don't think anyone has put in a 3.8 turbo into an 88-96 GP. That would be insane. Then we could keep the turbo badges on the car. 8) I'm definately interested.
Quote from: dbtk2Well, first off, let me say this is not the place to be. Our setups are completely different than yours, you would be much better off at club gp. Second off, I'm hoping you want this as a race only car right?
Also, there really is nobody here making much power at all. Jeff M claims to have cars making a bunch or horsepower, and he could very well have them, but he could very well not have them, but anyways, if he does have them, he is really the only one going faster than mid-high 13's. Jud is in the 13's (not sure about whp though) and according to my G-tech my STE is in the 13's, but nobody here has gotten that involved. There is a guy with a Z24 Cavalier running a 3.1 running low 12's, but that engine is really built.
You have to remember that we all have 15 year old cars here. Most of us bought them for cheap (like $1-2k) and don't have lots of money to dump into them, which is why not many people have gone fast. I am pretty sure nobody here has run that turbo. I'm sorry we can't help you, but I can really tell you this is not the place to be. I would get on ClubGP and probably contact ZZP or INTENSE with questions on building a Turbo GP.
Out of curiosity, what all did you have done to run the 12.2? My dads '02 GTP runs 12.0's with the stock cam/stock heads and with an M90, so I'm just wondering what all you had done to do this.
Shawn
Quote from: mfewtrailQuote from: BlackdOutLuminaSSseems about right but a turbo that big only looks like it'd be good for racing only. And the superchagers can do more then he's giving them credit for because just by adding a smaller pulley and machining out some of the internals of the SC, im sure, can do alot.
It's not as simple as just adding a pulley and gaining massive power, you need supporting modifications. The M90 is decent if you want to run 11's/12's(I'm aware that one has powered a 97 GTP to a 10.8 1/4 mile run, but that's w/ weight reductions and every other modification known to man), but after that, you really need a better supercharger/power adder. Also, GTP's are doing those times with basically turbo kits/tuning/exhaust work(stock heads, cam, etc.) vs. the supercharged cars needing more stuff to do that.
Quote from: Jeff MWell, not sure why you would ask here :? :). We have a 3.1L motor and you have a 3.8L motor, different bore, rod/stroke ratio numbers too will not compare to a 3.1L, along with the turbo cam that will work with yours verses one for our 3.1L. Much different intake and exhaust also makes a comparison difficult! From the 60-1s and 62-1s that have run well on the 3.1L motor, I am going to say your differential gearing might need to be changed, your higher stall converter is really good, still the multiplier of even a 3.29 might be a better setup depending on your rpm at the top of 3rd when you cross the line, a 3.69 very well could be too much. Playing with the gears to keep things in your engine?s sweet spot is a key ending to a sweet build like this 8) . Turbo is the way to go once a supercharger can?t keep up with your hp fix, and too many mods with a supercharge to try and make up for the need of a bigger blower/turbo, which comes in many more flavors than a supercharger. I have a T70 on my Typhoon but its a 4.8L motor and again, shares little with my 3.1/3.2L turbo motors or your bad-boy 3800 :P .
But bottom line, you are comparing 2 different animals even if they both have 6 cylinders :lol: .
Good luck 8) !
Jeff M.