porting

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big_mike

I'm Awesome
Joined
Sep 6, 2011
Messages
857
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Location
Skiatook, Ok
Has anyone on here messed with porting/polishing their stock lower intake, tb and heads all together? If so we're the results noticeable enough to spend the money on? I just can't justify the cost of an aftermarket intake for the vortec heads and I doubt I will exceed the stock fuel system with the newer mpfi spider upgrade and a fresh pump.

I know a guy I had do my 5.3 heads for my LS motor I built, just wondering if it's worth the hassle.
 

phat69

Newbie
Joined
Jul 20, 2017
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3
Location
TX
Porting a TB is always a waste of money. Without a cam swap you wont notice much.
 

dryslk

Newbie
Joined
May 11, 2016
Messages
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Location
Canada
If it was me & I was looking 4 a bit of Perf upgrade on this motor I would Gasket Match all iNTAKE & EXHAUST, Manifolds & PORTS 2 THE GASKETS U are going to use . U dont have to go to far into the ports or runners Prob an >.5 /.75 inch should B good
 
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