The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

truckerboy · 07-03-2010, 04:42 AM

I have a 400 SBC block. I want to make it 409 ci.. IS it possible, and if so how much over do i need to bore/stroke it?

thanks yall

07-03-2010, 04:42 AM	#1
truckerboy Registered User Join Date: Mar 2010 Location: madison,nc Posts: 67	changing ci's. I have a 400 SBC block. I want to make it 409 ci.. IS it possible, and if so how much over do i need to bore/stroke it? thanks yall __________________ 79 K20,400 SBC, TBI, 4 speed w/ super low, 4.88's. 89 K2500. 350 TBI, mild cam, longtube hooker headers, glasspack true duals, TH700R4 with shift kit, Corp. 14 10.25'' full float, with 4.11:1 gears, standard ifs cranked to 2 inch lift. RS5000 shocks. 96 f350, Powerstroke, ZF6, DRW, 4x4. .Real trucks have 3 peddles. Real drivers float gears!!