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dme922 · 02-25-2015, 02:33 AM

A little about the drivetrain im going with a 2004 5.3 engine mated to a TH350 and NP205. I used the advanced adapter flywheel and spacer for the 5.3 to TH350 combo and Doug Thorley tri y headers.

02-25-2015, 02:33 AM	#3
dme922 Registered User Join Date: Mar 2012 Location: Gallipolis, Ohio Posts: 296	Re: Grandpas 71 GMC A little about the drivetrain im going with a 2004 5.3 engine mated to a TH350 and NP205. I used the advanced adapter flywheel and spacer for the 5.3 to TH350 combo and Doug Thorley tri y headers. Attached Images