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hallj 03-07-2018 09:19 AM


Originally Posted by ttrm007 (Post 4614484)
I’ve chosen 427cid small blocks with 652 hp each on dyno. BBC is possible but very tight on this boat. Cool thread.

https://cimg9.ibsrv.net/gimg/www.off...526f0599f.jpeg

That is hot!!! How much torque?

Jeff

ttrm007 03-10-2018 08:28 AM

Veloc410 and hallj, I pulled out the dyno sheets. The 652HP came in at 6200rpm and the highest torque mark was 610@5000. They make torque of 567 @3800 and 552 @6200. They make 602hp at 5400 and 435hp at 4000rpm.

No testing on the water yet but numbers seem to indicate they will do the job.

hallj 03-11-2018 08:41 AM

What bore stroke did you use to get to 427?
Also, what compression?
Stout torque for sure.

Jeff

ttrm007 03-11-2018 01:13 PM


Originally Posted by hallj (Post 4615297)
What bore stroke did you use to get to 427?
Also, what compression?
Stout torque for sure.

Jeff

4.125 bore, 4" stroke. Dart blocks, 10.5:1 so runs on 92 octane.


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