Double rolling timing chain??

[RyanR]

correct, well 355 turned 383 but wouldnt a tbi v6 be rather close?

I looked it up this morning while I was on the porcelain lol... a regular tbi can use a run of the mill regular sbc setup but OE roller setups require a different set. And the 4.3 are essentially a 350 with 2 inside cylinders cut out, so yes it would work. Just make sure and get the correct one, I'm not sure if the early 4.3 were roller or flat tappet.... I didn't thing they were roller though.

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[TylerZ281500]

tbis are wierd my 88 had all the roller stuff my 93 is still tappet or whatever, either way tbi blocks are roller compatible

 

[FastOrange]

tbis are wierd my 88 had all the roller stuff my 93 is still tappet or whatever, either way tbi blocks are roller compatible

not all blocks

 

[FastOrange]

I looked it up this morning while I was on the porcelain lol... a regular tbi can use a run of the mill regular sbc setup but OE roller setups require a different set. And the 4.3 are essentially a 350 with 2 inside cylinders cut out, so yes it would work. Just make sure and get the correct one, I'm not sure if the early 4.3 were roller or flat tappet.... I didn't thing they were roller though.

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roller started when they got CPI heads, both my 94's had roller cams in the 4.3Ls.

 

[great white]

To OP:

http://www.summitracing.com/search/...ts/timing-chain-style/double-roller/year/1990

Lots of jawin' going on for such a simple answer......

Cheers