CorvetteForum - Chevrolet Corvette Forum Discussion - Has my engine No 15S430072V0529CHB a 2 or 4 bolt main.

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geoffpam2017

06-14-2018 06:41 PM

Has my engine No 15S430072V0529CHB a 2 or 4 bolt main.

Corvette 1975 C3 convertible original motor

Dynra Rockets

06-14-2018 06:49 PM

Being CHB is an L48, likely a 2 bolt. However, there was a lot of mix and match back then and a few people have found 4 bolts in L48s.

borescope down the dipstick or up the drain bolt to see for sure.

geoffpam2017

06-14-2018 06:58 PM

I must be getting old inspect up the sump plug hole is a great help, Many thanks CF

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