The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Will bigblock fit on smallblock frame mounts?

mrh33916 · 02-19-2010, 08:15 AM

I'm using the '73-'87 clamshell mounts with Flowtech long tubes for '68-'87 truck (part# 31530FLT) and they fit with no clearance issues.

The upper mount bolts lined up with existing holes in the frame.

I had to drill one on the bottom.

02-19-2010, 08:15 AM	#9
mrh33916 Project '67 454 Join Date: Jan 2009 Location: Columbia SC Posts: 283	Re: Will bigblock fit on smallblock frame mounts? I'm using the '73-'87 clamshell mounts with Flowtech long tubes for '68-'87 truck (part# 31530FLT) and they fit with no clearance issues. The upper mount bolts lined up with existing holes in the frame. I had to drill one on the bottom.