Stage ratings for Engine Mods.?? - Page 2 - 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 11-16-2003, 05:52 PM   #11
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Quote:
Good Idea silver. For us 3800sc owners, i think you need to change your stage 1 info. Dosen't a 3.4 pulley add 25hp and 50tq? Just pointing out your TQ numbers are a little low.
Thanks Taylor
The 3.4 adds about 30 hp and 50 ft-lbs torque, that'* right.
I didn't show any torque figures.
Those are hp ranges.

Feel free to offer your stage scale and maybe we can all come to agreement with one that is common for all.
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Old 11-16-2003, 06:06 PM   #12
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Quote:
Originally Posted by Glasuan
I think as oppossed to stages, it would be better to post approximate 1/4 mile times.
The only problem with this with be the times will be to inconsistent. Too many factors will fall into play.
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Old 11-16-2003, 06:22 PM   #13
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Yes, but what if you are making Stage 5 power, with not even all of the stage 3 mods?
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Old 11-16-2003, 06:23 PM   #14
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Too true Roadrash. Well stages in that case. I was thinking however of approximate numbers like high 14'*/low 15'*.
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Old 11-16-2003, 11:46 PM   #15
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Would u have to have different stages based on years too
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Old 11-17-2003, 12:19 AM   #16
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Mostly based on engine, I do not think years matter all that much.
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Old 11-17-2003, 01:18 AM   #17
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Yes, but what if you are making Stage 5 power, with not even all of the stage 3 mods?
Well that was just a first stab. Let'* work on it.

240 - 280 hp --- Stage 1 - cold air, pulley
280 - 320 hp --- Stage 2 - Stage 1 + exhaust
320 - 400 hp --- Stage 3 - Stage 2 + cam, pulley, intercooler
400 - 500 hp --- Stage 4 - Stage 3 + heads, engine work, pulley
500+ ------------ Stage 5 ...... dbtk2
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Old 11-17-2003, 03:11 AM   #18
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Quote:
Originally Posted by dbtk2
Yes, but what if you are making Stage 5 power, with not even all of the stage 3 mods?
You are limited to about 400 WHP with the Eaton M90.

Stage 5 - Eaton M112, T04E Turbo.... etc etc.
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Old 11-17-2003, 05:34 AM   #19
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Along with the different stages have an approximate pricing as well.
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Old 11-17-2003, 11:15 AM   #20
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good idea but diffcult i have a 3.8SC but im prolly bout 220 right now...exhaust...intake...180....hi flow..
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