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10-26-2018, 02:14 PM
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#1 |
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Registered User
Join Date: Jul 2015
Location: Brentwood, CA
Posts: 46
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LS1 horespower
Question:
Does anyone know why the 99 LS1 from a Pontiac was rated lower in horsepower then the corvette of the same year? Also, what changes can be made to get same horsepower?
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1966 Custom Cab SWB SBW Fleetside 1968 C10 BBW SWB Fleetside |
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10-26-2018, 02:33 PM
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#2 |
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Senior Member
 
Join Date: Nov 2014
Location: Colorado
Posts: 3,303
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Re: LS1 horespower
Go to LS1tech.com. You can use the LS6 intake manifold to start. Headers better exhaust and a tune. Camshaft, spring kit and bigger injectors
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07' Extcab Silverado Z71 Silver Birch, 5.3L HO 71' Cheyenne C10 Hugger Orange on Saddle SWB Besides these two, too Many to count |
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10-26-2018, 07:24 PM
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#3 | |
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Registered User
Join Date: Jul 2013
Location: Rockwell, NC
Posts: 1,639
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Re: LS1 horespower
Quote:
We just bought a 99 vette (14k mile beauty) for the missus. I wasn't impressed when I read the LS1 5.7 under the hood was only rated at 345 hp but I'll tell you what- the car goes like a raped ape. I guess because its so light. Handles like a slot car too. Lots of fun.
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1970 C-10 LWB "Blu" Instagram (current build pictures) 70_nc_c10 |
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10-27-2018, 12:07 PM
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#4 |
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Registered User
Join Date: Feb 2012
Location: Southern Ohio
Posts: 292
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Re: LS1 horespower
They're all the same. Corvette, Firebird, Camaro, just rated differently for marketing purposes.
Typically a bone stock LS1 was an honest 350 crankshaft HP. Typically put down 290-300 at the tires on most chassis dynos.
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1970 C10 Turbo LM7 5.3/LS6 cam PT7675/4L80E/Holley Dominator EFI/E85 Moser 9" 3.25/4 wheel discs 11.16@121.07 |
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