04-25-2010 | #11 |
Join Date: Aug 2006
Location: Texas
Posts: 518
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Re: F/S SGS Stage III Cams $2000.00
Pete, you are the cam guy, but aren't you going to kill torque and low/mid range performance with a stage III cam set-up and ONLY 350 cubes ? I thought big cams were for strokers.
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1991 ZR-1, Black, Black, # 541 |
04-26-2010 | #12 | |
Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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Re: F/S SGS Stage III Cams $2000.00
Quote:
Well here is my theory and research.. I know a smaller exhaust cam helps for low end power. I will not be installing the Stage III exhaust cams instead i will go with smaller exhaust cams. Another factor is cam timing. I will find out what happens it won't be the first time i take my motor out for trial & error. Worse case i will have to pull the motor back out to put the smaller cams back in or Stage III intakes make more power and stay in. Basicly if i loose 10rwtq at low RPM but gain 20 on the big end they are staying in,right now i make around 340 RWTQ @ 3k rpm if it drops to 330 @ 3k and gains 20 RWHP at 6900rpm i can live with that Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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04-26-2010 | #13 |
Join Date: Nov 2008
Location: Grand Rapids, MI
Posts: 384
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Re: F/S SGS Stage III Cams $2000.00
Are you going to regrind the exhaust cams or put your current intake cams on the exhaust side?
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04-26-2010 | #14 | |
Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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Re: F/S SGS Stage III Cams $2000.00
Quote:
My Intake cams are .236. Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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04-26-2010 | #15 |
Join Date: Aug 2005
Location: Fishers, IN
Posts: 815
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Re: F/S SGS Stage III Cams $2000.00
Pete, i agree, 12 to 15 degree split is about what is called for with our port characteristics. Are all the Stage 3's really 242? I thought some of the LPE stage 3's were 239 duration/.445 lift.
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04-26-2010 | #16 | |
Join Date: Dec 2003
Location: Chicagoland,IL
Posts: 2,679
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Re: F/S SGS Stage III Cams $2000.00
Quote:
I thought SGC Stage III's were all .242 .450 LPE's Stage III/C cams were .239 .445 I always check my cams before install. Pete
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'91 #1635 PoloGreen 350 LT5 11.09 @ 129.27 11.04 @ 128.86 474RWHP 400RWTQ http://www.youtube.com/watch?v=SFNFOhGGlR4 http://www.youtube.com/watch?v=ZlRIOMwaDYY https://sites.google.com/site/peteszr1garage |
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04-26-2010 | #17 | |
Join Date: Aug 2005
Location: Fishers, IN
Posts: 815
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Re: F/S SGS Stage III Cams $2000.00
Quote:
Todd |
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