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RWHP from bolt ons

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Old 02-18-2008, 08:58 PM
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RWHP from bolt ons
I have been reading posts about different bolt on improvements, and headers seem to be the biggest place to make good hp. How much rwhp and rwtq can be made from a LT set up over stock manifolds? Anyone have any dyno info...before and after exhaust?
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Old 02-18-2008, 09:01 PM
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Originally Posted by jayde561
I have been reading posts about different bolt on improvements, and headers seem to be the biggest place to make good hp. How much rwhp and rwtq can be made from a LT set up over stock manifolds? Anyone have any dyno info...before and after exhaust?
I made a good 40 RWHP peak from stock to Headers, exhaust, and CAI. If I get a chance tonight, I'll post the dyno graph comparisons.
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Old 02-18-2008, 09:02 PM
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Pacesetter LT will net around +/-25rwhp intake will net between 8-15 rwhp. Both will run about 500 bucks and are prob. the 2 most common mods for a good gain.
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Old 02-18-2008, 09:05 PM
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There aren't very many "bolt on" options for the LT1. Pretty much intake, headers, ewp, and a tune should get an m6 lt1 into the 300rwhp range. Add on rockers and you should be looking at ~310-315rwhp.
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Old 02-18-2008, 09:07 PM
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We have a car with just shorty headers and it made 285 with a4 and 2800. and 3.42.
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Old 02-18-2008, 09:07 PM
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Good info. Do you have any track #'s before and after LT's? I want to do LT's next but wanted to see what kind of real world results they had for others.
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Old 02-18-2008, 09:43 PM
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Originally Posted by ssbowtie1
Pretty much intake, headers, ewp, and a tune should get an m6 lt1 into the 300rwhp range. Add on rockers and you should be looking at ~310-315rwhp.
Let's not forget a decent cam
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Old 02-18-2008, 10:09 PM
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yea i have shorties, and there about to get yanked off for some longtubes... nice and make great sound but im all about some longtubes

when they were installed on my car they were actually proto-types for edlebrock.

pretty cool to know that i have the 2nd set of these headers ever made.
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Old 02-18-2008, 10:30 PM
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I can give you before #'s, they are in my sig. Thru manifolds and a gutted cat with a TSP rumbler cat-back---13.09 @ 106
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Old 02-18-2008, 11:07 PM
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the bolton record is 327rwhp & 354rwtq threw an m6. But this is everything available and not common. With a m6 car and every bolton should get you 315-320rwhp. Enough for high 12's @ 108-110
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Old 02-19-2008, 03:22 AM
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Originally Posted by slomarao
the bolton record is 327rwhp & 354rwtq threw an m6. But this is everything available and not common. With a m6 car and every bolton should get you 315-320rwhp. Enough for high 12's @ 108-110
I'm pretty sure you're talking about this car.

http://www.herronperformance.com/html/shop_car.html
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Old 02-19-2008, 03:27 AM
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Originally Posted by PWR-TRIP
Let's not forget a decent cam
Let's not forget the thread title...
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Old 02-19-2008, 06:00 AM
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Originally Posted by slomarao
the bolton record is 327rwhp & 354rwtq threw an m6. But this is everything available and not common. With a m6 car and every bolton should get you 315-320rwhp. Enough for high 12's @ 108-110
No its not. More like 335 RWHP.
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Old 02-19-2008, 06:01 AM
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Originally Posted by Counted Out
I'm pretty sure you're talking about this car.

http://www.herronperformance.com/html/shop_car.html
No, I think he is referring to Roadtrip120's car. Shon never dynoed his old bolton 97.
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Old 02-19-2008, 07:49 PM
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Is there a list of what's considered a bolt on?
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