exhaust manifold heat shields required? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

jks67ss396 · 02-11-2013, 11:36 AM

Hey guys

Im looking for trailblazer ss manifolds for my 5.3 swap and i found a guy that has them but he doesnt have heat shields

Are these absolutely needed? i dont want to burn plug wires etc but then again, headers dont have shields...

your thoughts?

thanks!

BR3W CITY · 02-11-2013, 12:42 PM

not needed, just take a careful look at how your plug wires sit, same with your fuel lines and brake lines. In my case, I chose to throw some heat-barrier fabric over my inbound fuel line which passes a few inches away from the exhaust; no reason to pre-heat fuel lol

02-11-2013, 11:36 AM	#1
jks67ss396 Registered User Join Date: Nov 2012 Location: DFW, TX Posts: 298	exhaust manifold heat shields required? Hey guys Im looking for trailblazer ss manifolds for my 5.3 swap and i found a guy that has them but he doesnt have heat shields Are these absolutely needed? i dont want to burn plug wires etc but then again, headers dont have shields... your thoughts? thanks!

02-11-2013, 12:42 PM	#2
BR3W CITY meowMEOWmeowMEOW Join Date: Sep 2009 Location: MKE WI Posts: 7,128	Re: exhaust manifold heat shields required? not needed, just take a careful look at how your plug wires sit, same with your fuel lines and brake lines. In my case, I chose to throw some heat-barrier fabric over my inbound fuel line which passes a few inches away from the exhaust; no reason to pre-heat fuel lol __________________ *'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING* MY BUILD THE H8RDCPTR //\\ MY YOUTUBE CHANNEL REV J HD

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