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02-16-2009, 10:54 PM
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,722
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Re: Headers to 2.5" Ramhorns
Great mod! I did the same thing on mine. My butt-o-meter suggested more low end torque and at least same HP. I have a little cam, though. Crane 266, about same as a Comp 260. I also went to 2 1/2" exhaust at the same time up from 2 1/4".
I've got a 4x4 '86 dually with a big block that someone put 2 wheel drive headers on and had to pull the front driveshaft. Me thinks manifolds are going on there as well.
__________________
44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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