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Green Machine · 03-31-2008, 10:16 PM

Put them in !!! You need may need some heat up there but not that much, some block them off altogether for cooler intake, I think the restrictor is a happy medium betweeen blocked off and wide open. What intake are you running ? JMHO.

03-31-2008, 10:16 PM	#4
Green Machine Senior Member Join Date: Jul 2004 Location: Estherville, Iowa Posts: 3,371	Re: Exhaust Crossover Question Put them in !!! You need may need some heat up there but not that much, some block them off altogether for cooler intake, I think the restrictor is a happy medium betweeen blocked off and wide open. What intake are you running ? JMHO. __________________ 1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 Last edited by Green Machine; 03-31-2008 at 10:17 PM.