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GerhardH · 10-06-2020, 01:48 PM

Some measures with the crank shaft:

4577 327 62-67 Truck small Journal 2.30“ main Journal x 2.00“ Rod Journal x 3.25“ stroke. Assuming the GM part number is # 3889304. The 4577 crankshafts were in my opinion over the counter production (my engine is a guarantee short block "CE".

10-06-2020, 01:48 PM	#159
GerhardH Registered User Join Date: Aug 2017 Location: South Germany Posts: 527	Re: My 1968 C-20 Golden Anniversary Project Some measures with the crank shaft: 4577 327 62-67 Truck small Journal 2.30“ main Journal x 2.00“ Rod Journal x 3.25“ stroke. Assuming the GM part number is # 3889304. The 4577 crankshafts were in my opinion over the counter production (my engine is a guarantee short block "CE". Attached Images __________________ Best regards GerhardH! Members met: 68 short step, 68bowtie, 72c20customcamper, botmfedr1, C/10 King, Chevyland, cornerstore, dmjlambert, fun in dirt, GMan69, Ol Blue K20 1968 CHEVROLET C20 Custom Camper 50th Anniversary, Long bed (LB) 8', 327 V8, Air Condition (AC), Power Steering (PS), Power Brake (PB), Z62 Custom & Comfort Appearance, Turbo Hydramatic TH 400 http://67-72chevytrucks.com/vboard/s...d.php?t=760400 Last edited by GerhardH; 10-06-2020 at 01:54 PM.