LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Are these hp estimate close?

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Old Aug 15, 2003 | 07:54 PM
  #1  
drewstealth's Avatar
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From: Fairfield, ca
Are these hp estimate close?

Me and my friend are trying to figure out our rwhp before we get dyno'ed in 2 weeks. So i got the mods in my sig. So is:
SLP CAI = 8
Hooker Catback = 7
TB Bypass = 3

285 * .15 = 42.75 285 - 43 = 242+8+7+3 = 260rwhp

I'm guessing around 260 to the wheels. Does that sound about right.

His car is 95 GT. With magnaflow catback = 7 and mac cai = 4.

225 * .15 = 33.75 225- 34 = 191+7+4= 202rwhp.

What do you guys think about those #'s do they sound about right.
Old Aug 15, 2003 | 08:08 PM
  #2  
gb95zconv's Avatar
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From: Woodstock,Georgia
Re: Are these hp estimate close?

Originally posted by drewstealth
SLP CAI = 8
Hooker Catback = 7
TB Bypass = 3

285 * .15 = 42.75 285 - 43 = 242+8+7+3 = 260rwhp

I'm guessing around 260 to the wheels. Does that sound about right.

Sounds about right.....dont know about 3hp from the TB bypass but yeah...CIA and catback ...260 or so.
Old Aug 15, 2003 | 08:14 PM
  #3  
WheelmanZ28's Avatar
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I think u could reasonably expect to dyno in the 260-270 RWHP range, depending on the strength of ur motor, trans, etc.
Old Aug 15, 2003 | 11:08 PM
  #4  
Izod's Avatar
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From: Tallahassee, FL
3hp from TB bypass is actually pretty accurate. Check out the dyno numbers on ws6.com. SICK! Best free mod ever.
Old Aug 16, 2003 | 06:16 AM
  #5  
texasTA's Avatar
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From: Frisco TEXAS
I am going to say 255 rwhp. My brother had a very strong running auto LT1 (96) and he had K&N FIPK, cutout, Throttle body bypass. He put down 255rwhp.
Old Aug 16, 2003 | 10:54 AM
  #6  
drewstealth's Avatar
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From: Fairfield, ca
Yeah but autos loose a little more hp then manuals do.
Old Aug 16, 2003 | 12:22 PM
  #7  
1996 | Z28 SS's Avatar
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From: Toronto, Ontario
I've seen guys who got an extra 5-7 rwhp from their TB bypass (they showed the dyno chart) forget who it was though...

Trevor
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