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

1 7/8 header ?

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Old 04-30-2010, 06:20 PM
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Default 1 7/8 header ?

What kind of gains would i see goin from a 1 3/4 pacesetter headers. To 1 7/8 lpp or kooks headers. Its heads and cam 355. Also the pacesetter's are painted. Thanks guys
Old 04-30-2010, 06:22 PM
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A few more ponies especially on the top end. BUt I think Larry @ speed Ince still runs a 1-3/4 header and he should run 9s with a 396?
Old 04-30-2010, 06:26 PM
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Hey Rob, im 99.99% sure Larry has 1-7/8 LPP's. Either way id say a deff. yes on them, especially in the upper rpms. My pacesetters were crap, sold um and bought LPP's and they were by far 10x better!! Id do it in a heartbeat if i were you!
Old 04-30-2010, 06:29 PM
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I dont recall what Larry has, but either way in the high RPM I know for a fact that the lpps or kooks will do A LOT better!
Its always better to do things once not 2x
Old 04-30-2010, 06:47 PM
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Im turning it around 6800
Old 04-30-2010, 07:42 PM
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I'd be interested to see your power differences when you get them and a dyno graph. That is all
Old 04-30-2010, 09:43 PM
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sory bro about the dyno graph. lol I had to leave out for work at the last minute and didnt have time to post it. As soon as i get back home i will be dynoing again on spray. I will have ported intake and 1 7/8 headers.
Old 04-30-2010, 09:45 PM
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I have Headman Husler #65385. They are 1 7/8 with slip on 3 1/2 collectors. They have the Stahl header flange which make them very easy to install. I gained about a tenth at the racetrack with the 355. I'm now running a 427 so I need the bigger header.
Old 05-01-2010, 07:01 AM
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For the record, LPPs are a stepped header. 1 3/4"-1 7/8".



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