cross drilling 5 bolt main for rpm

Tech tips and how to's

Moderators: notoptoy, S Allen, Solex68

Mochi
Roadster Fanatic
Posts: 167
Joined: Mon Aug 10, 2020 6:02 pm
Location: Vancouver Washington
Model: 1500/1600
Year: Low Windshield-64-67.5

Re: cross drilling 5 bolt main for rpm

Post by Mochi »

Daryl Smith wrote: Mon Nov 14, 2022 3:34 pm Welcome to the stroker club!

- SKF #18854 should work for the front crank seal (the U20 dampener is slightly larger OD than the stock 1600, I believe).

- For a high rpm stroker you WILL need some significant porting and valve work to make power in the upper range. If some current dyno sheets are to be believed, Rebello is getting the strokers to 180+ hp without hitting 7,000 rpm. Porting, valve size, and de-shrouding could be significant factors to get there and above....

- Anyone have experience with an H20 crank @ 7,000+ rpm? That is a new question for me....
when i read up more on head work and have a better understanding If you don't mind i will be picking your brain. headwork valvetrain is some seriously complicated stuff. inconel sodium filled exhaust valves anybody!
Post Reply