Quote:
Originally Posted by Dimitrim
On the V-6 do they have little stubby steel tubing cast in the exhaust ports so you can not run any aftermarket headers?
When you rebuilt your engine did you just rebuild it to factory spec or mod it?
What engine mods did you do?
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So the LFX has a featured referred to as an integrated exhaust manifold, that means the exhaust manifold (or header) is built into the cylinder head in the interest of conserving weight, this is not to prevent modifications. I assure you Chevrolet doesn't care if you modify their cars, it just means there is less for them to cover in their warranty. The LFX has an even firing order, so the exhaust pulses do not fight each other in expansion like they do in a traditional V8 motor, the V6 fires like a flat-plane crankshaft V8, which made the design of this manifold an easy decision!
I rebuilt my motor to factory specifications, the modifications I wanted either didn't exist or were too expensive.
I've done the generic bolt-on crap that you can get at any website, I've cammed an LS3, and have done various modifications to other motors here and there.