LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Stock HP ratings

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Old 05-27-2011, 11:15 PM
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Why are people still posting opinions on this??

93-95 275hp
96-97 285hp
96-97 WS6 305hp

/discussion
Old 05-27-2011, 11:34 PM
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wrong. my '95 was rated at 285hp
Old 05-28-2011, 12:20 AM
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and SLP Firehawks were 315
Old 05-28-2011, 01:30 AM
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As cool as it is to quote wiki
The 1992 LT1 in the Y-body was factory rated at 300hp (220kW) and 330lb·ft (447N·m). 96 LT1 Y-bodies were rated at 300hp (220kW) and 340lb·ft (461N·m). The 93–95 F-bodies were rated at 275horsepower (205kW) and 325lb·ft (441N·m), while the 96–97 cars were rated at 285 horsepower (213kW) and 335lb·ft (454N·m). The 96–97 WS6 and SS F-bodies were rated at 305hp (227kW). The 94–96 B and D-body version was rated at 260horsepower (190kW) and 330lb·ft
Old 05-28-2011, 09:10 AM
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Originally Posted by nitrous2fast
This is from my 97 TA ws6

whats that from?
Old 05-28-2011, 09:52 AM
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I may be wrong, but I believe there was an SLP catback exhaust option available for the Camaro SS that brought the rating to 310 horsepower.
Old 05-28-2011, 11:37 AM
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3" catback exhaust and "ram air" is what's credited for a 305hp rating. It probably was all due to the exhaust since the SLP 2OTL is known for being one of the best flowing catbacks out there.

I dunno.. something worked because the majority of f-bods back in the mid 90's in the DFW area were mild bolt-on or stock and I had no problem beating the majority of them when my car was stock.
Old 05-28-2011, 11:55 AM
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Originally Posted by jamin
whats that from?
That is directly out of my manual... I set it on the scanner and let 'er rip.
Old 05-28-2011, 12:26 PM
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Well from wat I have research and read all 96 made 305hp ss and ws6
Check this links???

http://www.stangbangers.com/CobraVsZ..._Article1d.jpg

http://www.stangbangers.com/96_Cobra...28_Article.htm

Well I hope it helps???
Old 05-29-2011, 01:08 AM
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Originally Posted by LSWHO
As cool as it is to quote wiki
The 1992 LT1 in the Y-body was factory rated at 300hp (220kW) and 330lb·ft (447N·m). 96 LT1 Y-bodies were rated at 300hp (220kW) and 340lb·ft (461N·m). The 93–95 F-bodies were rated at 275horsepower (205kW) and 325lb·ft (441N·m), while the 96–97 cars were rated at 285 horsepower (213kW) and 335lb·ft (454N·m). The 96–97 WS6 and SS F-bodies were rated at 305hp (227kW). The 94–96 B and D-body version was rated at 260horsepower (190kW) and 330lb·ft

some of the late 95's got the '96 dual cat exhaust (like my car) so some of the 95's are technically rated at 285..
Old 05-29-2011, 04:16 AM
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Lol you know nothing!
Old 05-29-2011, 07:29 AM
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Originally Posted by boostedlt1
some of the late 95's got the '96 dual cat exhaust (like my car) so some of the 95's are technically rated at 285..
That is correct....
Old 05-29-2011, 09:21 AM
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Originally Posted by boostedlt1
some of the late 95's got the '96 dual cat exhaust (like my car) so some of the 95's are technically rated at 285..
ALL of the '95 A4 California Emissions cars had the '96-'97 dual-cat exhaust. May be the only time in history that a cali emissions car had a higher factory hp rating than the non-cali cars...
Old 05-29-2011, 07:26 PM
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I too believe in the Fbody cars rating being lowered due to the Corvette.


I hate dyno numbers because of the M6-A4 difference.
Old 05-29-2011, 09:51 PM
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How are you guys thinking the LT1 was underrated? The everyday LT1 F-Body ran high 13's and low 14's. Pretty much right where they should have with the power ratings they had. The SLP cars, WS6 included, ran better. Mine ran 13.50@103 when it was bone stock back in '96 at MIR. I was pulling 2-3mph more than the Z28's.

The 'Vette's were rated higher because of the better intake and exhaust.

LS1's on the other hand, were way underrated. LT1's not.
Old 05-29-2011, 10:02 PM
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Originally Posted by Rob
How are you guys thinking the LT1 was underrated? The everyday LT1 F-Body ran high 13's and low 14's. Pretty much right where they should have with the power ratings they had. The SLP cars, WS6 included, ran better. Mine ran 13.50@103 when it was bone stock back in '96 at MIR. I was pulling 2-3mph more than the Z28's.

The 'Vette's were rated higher because of the better intake and exhaust.

LS1's on the other hand, were way underrated. LT1's not.
when they say underrate, what that mean ?
Old 05-30-2011, 12:25 AM
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Originally Posted by killagt
when they say underrate, what that mean ?
Old 05-30-2011, 11:52 AM
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Originally Posted by Rob
How are you guys thinking the LT1 was underrated? The everyday LT1 F-Body ran high 13's and low 14's. Pretty much right where they should have with the power ratings they had. The SLP cars, WS6 included, ran better. Mine ran 13.50@103 when it was bone stock back in '96 at MIR. I was pulling 2-3mph more than the Z28's.

The 'Vette's were rated higher because of the better intake and exhaust.

LS1's on the other hand, were way underrated. LT1's not.
My experience makes me tend to agree with you. There will always be people with different experiences or just high hopes, so it's a debate that will rage on I'm sure.
Old 05-30-2011, 11:59 AM
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Originally Posted by ScreaminRedZ
My experience makes me tend to agree with you. There will always be people with different experiences or just high hopes, so it's a debate that will rage on I'm sure.
But stock hp is all that matters.
Old 05-30-2011, 01:25 PM
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assuming an 18% drive train loss you should dyno about 233whp, which is what most auto's dyno. i dont see how they are under-rated. if they were dynoing 270whp stock then yeah they'd be under-rated

my car with lt's, true duals, and homemade cai (no tune) put down 268whp and 300ft/lbs


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