Question about 1998 Chevrolet Blazer

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Hi. I have a 1998 s-10 Blazer that i am changing the motor and i was curious on what year 4.3 vortex will be compatible in a 98'. I was told the 4.3 vortex came out in 96'. What years will fit please help. Thank's Rob

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"What years will fit please help"
From 1996 up to 2000 I can safely say.
In 2001 the crank depth, and pilot bore was changed.
(Crank depth: How far the pilot bearing, or bushing, at the end of the crankshaft, is from the nose of the crankshaft)
In 2001 the bearing/bushing sat further back, from the nose tip of the crankshaft
This resulted in a deeper bellhousing. (And a different torque converter)

My advice would be to go to a decent salvage yard for vehicles, and ask them to look it up in their Interchange Manuals, so that you can be absolutely sure.

Posted on Sep 09, 2009

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Posted on Jan 02, 2017

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