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Does anyone have any phenolic spacers for the 2-piece?
And how thick of a spacer can I go?
I have an 89 Daytona.
Thanks

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I only want to bore out a little. Not to crazy.

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Cordes, Do you think I can start with a 1-3/4" ball hon since the 1-7/8" you mentioned is to large?
Thanks

Cordes, good question. I am looking forward to Todd's response.
So you used an 1 7/8" flexible hon? I am looking to buy the size or sizes that would allow me to do a decent porting job without too...

I agree with doing the minimum.
Thank you!

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I don't have a particular number guessing maybe 300's. I have a ported head I would like to use. I'm not sure of the flow of the head. So here is the thing:
The valves are MP stainless backcut...

Hello All,

I am looking to port a 2-piece manifold for my 89 Daytona. So I found this thread has great information. I have never ported before. I happen to like the idea of using different...