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**Dan in Pasadena** · 09-05-2018, 04:09 PM

I used Corvette Z06 exhaust manifolds. My understanding is they’re good for well in excess of 500hp. My mildly cammed LQ4 won’t exceed 400hp so I didn't see a need to struggle with fitting headers. We cut off & smoothed extra fittings and will have them ceramic coated.

09-05-2018, 04:09 PM	#2
Dan in Pasadena Senior Member Join Date: Nov 2008 Location: Glendora, CA Posts: 6,351	Re: 55-59 LS Headers I used Corvette Z06 exhaust manifolds. My understanding is they’re good for well in excess of 500hp. My mildly cammed LQ4 won’t exceed 400hp so I didn't see a need to struggle with fitting headers. We cut off & smoothed extra fittings and will have them ceramic coated. __________________ '55 Big Window Shortbed, Drive-It-&-Work-On-It slid down the "slippery slope" to a Frame-Off Rodstoration! LQ4/4l85e/C4 IFS/Mustang 8.8 rearend w/3.73's Dan's '55 Big Window "Build" - Well, Kinda!