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502tripower · 05-20-2009, 01:43 AM

Use the 73' up perches and headers or exhaust manifolds. There is no reason to cut the fire wall but, you may have to massage it a bit with a rubber mallet. I used http://www.stans-headers.com/gm_headers.htm 73-87 2" Chev Pickup.

05-20-2009, 01:43 AM	#4
502tripower Registered User Join Date: Jan 2008 Location: Satsop, WA Posts: 606	Re: Need help on BIG BLOCK install Use the 73' up perches and headers or exhaust manifolds. There is no reason to cut the fire wall but, you may have to massage it a bit with a rubber mallet. I used http://www.stans-headers.com/gm_headers.htm 73-87 2" Chev Pickup. Attached Images __________________ 1963' Chev Custom Cab 502, 67' 435hp 3X2 intake, 9" 4:30 Posi 1961 Impala SS 348/350 4-speed 3:70 Posi 1961 Bel-Air Bubble Top 283 Turboglide soon to have a 348 3X2 4-speed 1950 17' Fairliner twin cockpit barrel stern 312 Y block 1X1 intake Borg Warner 1:1 gear 1957 Fleetform 14' twin cockpit barrel stern 1969 BP-125 Merc 1949 Transitier 3-wheel forklift Crosley 4-Banger 98' FXD 2002 2500HD Last edited by 502tripower; 05-20-2009 at 01:44 AM.