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post #31 of 32 Old 11-30-2011, 07:04 PM
nicknoty
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1983 CJ7 
 
Join Date: May 2009
Location: ct - usa
Posts: 289
Quote:
Originally Posted by jeep670 View Post
is that for the two piece or one piece header?
pretty much anything has a pattern for bolting it down so as to seal or seat it correctly. ie wheels use a start pattern, and if you want to get more complex heads on some engine have you dance in several steps of torque to bring it down to full tightness while doing a drunken tick tack toe.

if you thighten from the outside in you can end up with a bow but if you go from the inside out the slack is pushed to the edge of the work piece.


83 cj7, white/pearl w/ black trim - 99'ax-15/clocked dana 300 twin sticked - 4"RC lift - HD shackles - 33X10.5 bfg mt's on micky' T 15" classic 2s - HD tierod flipped - custom bumpers with d-rings - winch - flowmaster - obd1 efi swap - 4.6L strocker with com smooth idle cam. soon to be:
rear disc brakes,front and rear tube fender flares and better sliders, 3.0L mercedes turbo diesel power
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post #32 of 32 Old 11-30-2011, 07:52 PM
Oily
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1985 CJ7 
 
Join Date: Jun 2006
Location: Kerrville, Texas
Posts: 1,577
Quote:
Originally Posted by Oily View Post
I believe I have read here that a header on a 258 yields no noticeable power benefits.
As far as sounds great, I don't see how. A muffler is the deciding factor.
Quote:
Originally Posted by swatson454 View Post
The stock exhaust is actually so restrictive that a header does make a worth-while difference, even with the stock cam. Here's a thread from when I did mine. I'm posting it so you can see my response at the time and not my opinion two years later.
http://www.jeepforum.com/forum/f8/ex...rt-2-a-794463/
Thank you for the reply. Thanks for your thread link. Interesting.
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