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Old 12-23-2021, 10:38 AM
Murf Murf is offline
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Join Date: Aug 2000
Location: St. Marys Ks. U.S.A.
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Default 2.19 intake in Speedmaster heads?

Merry Christmas everyone!

I ask about 2.19 intake valves in another thread but it was in a thread with a different title so I thought I’d ask again. By the way, thanks to Steve25 for the replies!

I have bare Speedmaster heads that I’m going to buy valves for after the holidays. I don’t have an engine plan set in stone. I do have the following parts.

Hyd roller 236 / 242 .600 lift on 122

Performer RPM, Torker II or a Speedmaster single plane that looks kinda like a worked over Street Dominator.

No short block stuff yet but thinking 470-490 cubes.

So, at what point does the larger valve help? Is there a downside to having the larger valve, if it’s not need for the rest of the combo?
I’m sorry my question is so vague. I’m just trying to understand at what level the bigger valve would be helpful.

Thanks
Murf

 


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