Thread: convert 1 piece seal to 2 piece seal

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Anyway, today I'm checking to find out which years/blocks were set up for rollers. If you, or anyone else, has any info on this please let me know.[/QUOTE]

87 and up had rollers but not all of them you'd have to know what vin# to look for and what kind of car or truck they came in ect. TBI chevrolet motors with the oil dipstick on the passenger side with the valve cover bolts in the center of the valve cover but watch out for 305's its hard to tell them apart from 350's of that era
then there is also the 96 and up vortec's that have good flowing heads with big valves. Also you can buy and addaptor to fit a early 2 peace main seal crank into a 1 peace main seal block.

appreciate the info speedy55779