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Porting gains

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btw thanks for the M90 to GenV pulley conversion chart i was looking for one of those a while ago but couldnt find it :th_thumbsup-wink:
 


^^No problem...

As for the GenV...Eaton even says spinning it with a 2.8" is the lowest you want to go. It gets WAY out of its efficiency range anywhere under a 2.8"...at that point...you'd want to go to a MP112 Hybrid, Full MP112 Setup, OR a Whipple W140AX with forged internals.
 


Ha yeah right I think I'm gonna stick with what I've got. What do you think about what I said before about the new pcm?
 
Anything over a Gen5 is nuts for a bigger SC!! If your looking for more boost a far better route is to switch to turbo, considering the cost for anything over a Gen5. And I agree with Blue 100% no way in hell a Gen5 setup costs 1500 bucks I have a polished and ported gasket matched LIM and ZZP pulleys on mine and All said and done I will easily have less than 1000k bucks into mine for damn sure!! I think spending over 1k is nuts to get a excellent Gen5 setup done, anymore than that and turbo kits can be found for just a little more. Hell Ill bet for 1500 I can have mine done and include speed daddy headers and 60# injectors and everything needed for E85 which Im planning on anyways for around 1500 and my Gen5 lim and Pulley setup cost 700 shipped to my house.
 


then i have been misinformed, however a cost of ~700$ will put a gen v on my to do list for sure.

thanks for clarifying guys
 
Classifieds are your friend that is all!! :th_thumbsup-wink:

grandprixforums.net
clubgp.com
3800pro.com
oqcgp.net

Those are the ones I use.
 


if you still have the gen v stuff come spring or summer i may take you up on that.

and turbo, for me at least, is a no go i dont know enough to take care of it properly
 
Well see its forsure a possibility and I looked on the canadian oqcgp.com website and people are looking for polished and ported Gen5 their too. It all depends on when my damn reenlistment bonus shows up so I can finish everything. I'd consider dumping this and going turbo instead. Even with a mild turbo set up Id hit my goals easy. I want a 350 to 400 WHP Regal GS. Dont really care what power adder gets me their all depends on the cost I guess and where I can find parts.
 
So let me get this straight then... the gen v is only for people that run out of pulley sizes for the gen 3? So lets say i have a fully ported gen 3 with way an xp cam and supporting mods, no intercooler runnin what a 3.25 pully or whatever. There would be no gain goin to a gen v? I just dont wanna wast money if i dont have to.
 
I'd give everything in my garage, everything I ordered today that hasn't arrived yet (in my garage) and my 2000 GTP,

for a 1987 "STOCK" GNX.
:th_flamingdevil:
 
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