Would this be worth it? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 05-26-2004, 01:07 PM   #1
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By changing the intake tuning we are able to achieve performance numbers previously unheard of in the L36. In short we gained 9 peak WHP and 30 WHP at 5800rpm.

When coupled with ER rockers and our HV TB the performance surpasses dyno #'* of cam'd L36'* not using our insert.

A full break down of performance, including supporting mods and dyno charts can be found here:
http://easyperformance.com/Tech_Info...st_Content.htm
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Old 05-26-2004, 06:17 PM   #2
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i read somewhere that they some GP guy had trouble getting it to work, I dont think anyone here has it. Try starting a post on the GP forum. If you find anything out make sure to report it back!
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Old 05-26-2004, 08:44 PM   #3
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These included ZZP ER High Ratio Rockers, ZZP Stage 1 HV Throttle Body, an EPP Cold Air Induction, U-Bend removed from exhaust system, a 2 1/4" off-road downpipe and a 180F Thermostat.
Those are all of the reccomended mods that should go with it. I bet the new rockers are helping the top end out, and without them I doubt that you would achive 9whp.
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Old 05-26-2004, 09:15 PM   #4
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The thing is, I wrote the company selling them and told them what I had allready. He said look to gain 9whp, especially with the exhaust work done allready. Now, of course he could be fibin to try to sell his product, hey its advertising! I just wanted to know if it is realisiticly possible to gain any HP from this mod? I mean, why couldnt we just carefully mod our own intake this way, or is it built a different way type of thing?
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Old 05-26-2004, 09:25 PM   #5
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It might help a little with heat transfer.

Longer intake pipes mean better high end, and worse low end.
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Old 05-27-2004, 12:17 AM   #6
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I think you have it backwards there. Wouldnt the lack of runners make it easier for more air to flow at higher RPMs? Look at the dyno charts on that page. I think you wouldnt expect the 30WHP without those mods, but the 9 would be doable. It would be just at the rev limiter tho.
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Old 05-27-2004, 12:53 AM   #7
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Im thinking that, and maybe a custom PCM, and port and polish some stuff. Alltogether that could be a nice little gain!
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Old 05-27-2004, 09:17 AM   #8
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try clubgp.com, somebody over there has to have one.
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Old 05-27-2004, 03:40 PM   #9
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Quote:
Originally Posted by macho_mike21
I think you have it backwards there. Wouldnt the lack of runners make it easier for more air to flow at higher RPMs? Look at the dyno charts on that page. I think you wouldnt expect the 30WHP without those mods, but the 9 would be doable. It would be just at the rev limiter tho.
You're correct. The formula for runner length involves the speed of the air and the speed of sound in that air, with speed of air in the denominator. Larger speed = Shorter length.

I used to think the opposite, then I had this topic in class in March.
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Old 05-27-2004, 06:00 PM   #10
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Larger speed = shorter length? Um, have no idea how to comprehend that.
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