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69 C10 LWB · 05-23-2020, 07:57 PM

You will need a different flywheel because the 400 is externally balanced but otherwise unbolt the 6 and the 400 will bolt in place.

05-23-2020, 07:57 PM	#2
69 C10 LWB Registered User Join Date: Jan 2012 Location: St Louis Mo Posts: 214	Re: Small Block 400 (511) You will need a different flywheel because the 400 is externally balanced but otherwise unbolt the 6 and the 400 will bolt in place.