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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 03-16-2005, 09:50 PM   #31
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Quote:
Originally Posted by 1994ta
Quote:
Originally Posted by fantastic88
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...My stock ser 2 L67 has 262hp...
How did you manage 262 hp and 340 ft lbs of torque from a stock series II motor?
They are all underrated thats how. Those are common results from a stock Series II engine. GM likes underrating engines. This is why my stock Turbo 3.1, which is rated at 205hp/220tq. made 227hp/272tq. stock, even at 14 years old.

Shawn
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Old 03-19-2005, 05:38 AM   #32
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That doesn't make sense.. a stock LT1 fbody with 275/325 runs very low 14s. And a 262/340 stock w-body runs low 15s/high 14s?
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Old 03-19-2005, 07:56 AM   #33
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Quote:
Originally Posted by 1994ta
That doesn't make sense.. a stock LT1 fbody with 275/325 runs very low 14s. And a 262/340 stock w-body runs low 15s/high 14s?

F Bodys are not lightweights either though.
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Old 03-19-2005, 11:39 AM   #34
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F body'* launch harder due to RWD+ Weight transfer. They're also a live axle, so you're not fighting suspension forces as much either.
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Old 03-19-2005, 07:32 PM   #35
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Ok, point taken. But I got another one for ya. My cousin'* GTP put down 242/272 with an intake, 3.4 pulley, and exhaust work and ran 14 flat with it. I dont know what a stock GTP dynoes at, but his assuming his car gained a minumum 25 ftlbs of torque with his mods, thats 90 ft lbs of torque lost in the drivetrain on a stock car..
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Old 03-19-2005, 09:53 PM   #36
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what is the stock CR for my SER1 ?
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Old 03-20-2005, 04:03 AM   #37
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Quote:
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what is the stock CR for my SER1 ?
8.5 :1 i'm pretty sure
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Old 03-20-2005, 01:24 PM   #38
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Quote:
Originally Posted by 1994ta
Ok, point taken. But I got another one for ya. My cousin'* GTP put down 242/272 with an intake, 3.4 pulley, and exhaust work and ran 14 flat with it. I dont know what a stock GTP dynoes at, but his assuming his car gained a minumum 25 ftlbs of torque with his mods, thats 90 ft lbs of torque lost in the drivetrain on a stock car..
Comparing different dynometers isn't terribly possible, but comparing results from the same one and different cars is. Not all dyno'* are calibrated the same. If i remember right Fantastic88'* curves needed to be adjusted because of the waste spark igntion. But those numbers do seem a little excessive...
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Old 03-20-2005, 01:41 PM   #39
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Quote:
But I got another one for ya. My cousin'* GTP put down 242/272 with an intake, 3.4 pulley, and exhaust work and ran 14
Is this wheel hp? I was talking crank hp. The 240hp and 280ftlbs GM rating is crank hp. I bet that GTP'* numbers you show are to the wheels. If they are crank numbers then he has SERIOUS KR because that is way low.
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Old 03-20-2005, 11:26 PM   #40
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Quote:
Originally Posted by fantastic88
Is this wheel hp? I was talking crank hp. The 240hp and 280ftlbs GM rating is crank hp. I bet that GTP'* numbers you show are to the wheels. If they are crank numbers then he has SERIOUS KR because that is way low.
Yes, those are wheel numbers
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