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03-04-2015
Ok So I Have a Series II 3.8 98 GTP. Ultimate goal is over 500 hp w/o NOS. Realizing how almost impossible this is going to be... (I dont want to turbo) SO, has anyone put the 5.3 into a 97-03 grand prix. If so what all would this entail? 2nd. Has anyone put an m90 on the 5.3? Assuming A custom Lower intake would have to be fabricated at the very least and some way to spin it. Anyways just bored and being curious! Thanks people!
03-04-2015
yes its been done. Some fiero nut actually put a 5.7 in a fwd before the ls4 even existed.
03-04-2015
http://montecarloforum.com/forum/gen...ds-pics-41057/
I hear your 500hp and ill raise you to 700hp.
LOL how deep are your pockets? Not going to lie id rock the sh1t out of the monte!
03-04-2015
Shouldnt be that hard, just figure out wiring is crap, its made to fit the bay
03-04-2015
ls4 into a 97-03 is simple find a wrecked MCSS, impala SS, GXP grand prix, or lacross super and cannibalize the wrecked car. (hint find one with a rear end hit lol!)
03-04-2015
man a 2000 gtpt v8, that sounds sexy
03-04-2015
Know how I know your gay?
03-04-2015
How bout mounting a supercharger up to it? I can handle the wiring. Pockets are pretty deep. I am assuming that I would need to take a complete engine, tranny, harness and computer... Sound about right? I found one guy that put a northstar v8 into there 99 gtp but that engine in my opinion is crap! No motor should take 7.4 qts of oil! That got me looking tho. STS-v comes with (Im assuming) the same 4.4L v8 but has a factory supercharger on it. 469 factory hp. I can work with that... Just dont know if its actually the same motor. I do know its mounted completely different in the rwd sts...
03-04-2015
Lots of custom work needs to be done to make it work, subframe, mounts, engine/trans combo must be from same vehicle (can't use a regular 4t65e HD trans), tuning/security system.
Not sure how you'd wire up the dash seeing how you'd want the newer fuse panel and be using the old cars BCM.
03-04-2015
That would be awesome! Who cares if I have to cut a whole in my hood to mount a supercharger to that. But seems like could be a pain to get mounted to the 4t65e-hd...Originally Posted by smoke14
03-04-2015
Not too concerned about the wiring. I am planning on running all my own guages and making a custom instrument cluster at some point.
03-04-2015
Found a whipple system for the ls4... I think. Anybody know if a factory gxp pcm is tunable to accommodate a supercharger?
03-05-2015
Found a whipple system for the ls4... I think. Anybody know if a factory gxp pcm is tunable to accommodate a supercharger?
03-05-2015
Yes; the problem is that you have to look at the front cover.
And realize that ain't happening.
03-05-2015
Front cover of the motor?
03-05-2015
If you're asking that, then I'd suggest just some 91 octane and some window tint.
03-05-2015
just get a olds arura. its much like a regal and has a N*. my brothers chirps second gear and its all stock.
03-05-2015
a tube chassis would give you enough room for the extra belt drive/custom brackets and sc head.
Turbo would still be better
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