Tell me about my car please- 92 SE - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-08-2003, 08:10 PM   #11
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Funny how the heads and valvetrain varied slightly from 92-93, yet the factory ratings stayed the same. There'* supposed to be 5hp or so in roller rockers, but I believe both years had roller lifters. Pontiac just too lazy to go into detail about it and change the performance numbers?
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Old 11-08-2003, 08:18 PM   #12
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yes, they both had roller lifters, one thing that holds us back is our cam. we only have a .400" lift cam. i m working now with comp cams trying to figure out which rockers will work on our motors. i have a steel guide plate and going to use BBC screw in studs, (3/8" bottom and 7/16" tops) and bolt down the guide plate with those and use roller rockers with a higher ratio to gain more lift and slightly more duration. they make SBC rockers now with up to a 1.8 ratio and the same as the BBC. they also make LS1 rockers with 1.85 ratio. im talking to the tech at comp cams monday after work and he is going to bring a few rockers to his desk with a mic and compare numbers with me as i mic one from a series 1 motor. i think this is defintly do-able. the price isnt too bad either. the Hi Tech stainless roller rockers are like $290 a set of 12 , right from comp cams.
the only thing is, you will need to adjust these rockers, they just dont bolt down and go. the hi tech stainless rockers are the smallest body out of all of them so i think they will fit nicely under our valve covers
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Old 11-08-2003, 11:29 PM   #13
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Thanks for all the info and input guys, this is very interesting!!

jeff
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Old 11-10-2003, 03:28 PM   #14
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Quote:
Originally Posted by jeffrey10x2
yes, they both had roller lifters, one thing that holds us back is our cam. we only have a .400" lift cam. i m working now with comp cams trying to figure out which rockers will work on our motors. i have a steel guide plate and going to use BBC screw in studs, (3/8" bottom and 7/16" tops) and bolt down the guide plate with those and use roller rockers with a higher ratio to gain more lift and slightly more duration. they make SBC rockers now with up to a 1.8 ratio and the same as the BBC. they also make LS1 rockers with 1.85 ratio. im talking to the tech at comp cams monday after work and he is going to bring a few rockers to his desk with a mic and compare numbers with me as i mic one from a series 1 motor. i think this is defintly do-able. the price isnt too bad either. the Hi Tech stainless roller rockers are like $290 a set of 12 , right from comp cams.
the only thing is, you will need to adjust these rockers, they just dont bolt down and go. the hi tech stainless rockers are the smallest body out of all of them so i think they will fit nicely under our valve covers
Definitely let us know what the max is and related lifts and ratios...I'd be very interested in seeing that!!!
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Old 11-10-2003, 03:30 PM   #15
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There'* more info in Techinfo. Be sure to read that. Even I forget what'* up there sometimes, and have to browse the list to stay current.
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