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tuned down motor?

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Old Sep 6, 2003 | 06:59 PM
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Default tuned down motor?

Ive heard....prolly from this forum about the LT1 trans am being tuned down to keep the vette top dog. I was wondering how they tune it down. Any ideas?
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Old Sep 6, 2003 | 08:52 PM
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Default Re: tuned down motor? (Ron84Vette)

:confused: I never heard of that before.
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Old Sep 7, 2003 | 12:29 AM
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Default Re: tuned down motor? (87vette)

The 92 vette LT1 has a rating of 300hp, but the 95 LT1 TA has 275hp. How so?
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Old Sep 7, 2003 | 12:32 AM
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Default Re: tuned down motor? (Ron84Vette)

The exhaust was probably one reason. And I also think that the F body LT1s had iron heads, although that may have been the Impala SS that had the iron heads.


[Modified by BiZ, 12:33 AM 9/7/2003]
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Old Sep 7, 2003 | 12:39 AM
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Default Re: tuned down motor? (BiZ)

Cam, Exhaust, intake...Computer Control...alot can do it!


[Modified by RED-85-Z51, 11:39 PM 9/6/2003]
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Old Sep 7, 2003 | 01:06 AM
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Default Re: tuned down motor? (RED-85-Z51)

actually the defacto answer is:

the air intake routing and the exhaust system of the F-body LT2 are the differeance.. The LT1 in the vette and the Fbody are the same (except the Fbody is two bolt and the vette four bolt). the heads, cam and all are the same..
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Old Sep 7, 2003 | 04:58 PM
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Default Re: tuned down motor? (Ron84Vette)

F bodys are chocked to hell on the intake side..Thats why the best thing for an f body is exhaust and colder air intakes, its a true performer...
Plus slight computer programing and tuning all make up for the 25 hp difference...
Free that bird up and sign with the vettes!!!!
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