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Author Topic:   416 (305)heads?
rickb33
Dirt Full Roller

Total posts: 49
posted May 09, 2003 01:59 PM
i know they have a small combustion chamber,like 58cc.but what is the intake runner size(stock) on 416 heads.with a 106 centerline,with about .505 lift,what would the motor do.flat top,4 reliefs.9.5:1 compression.

rickb33
Dirt Full Roller

Total posts: 49
posted May 09, 2003 02:01 PM
305 h.o.motor.

dode
Dirt Freak

Total posts: 421
posted May 09, 2003 02:58 PM UIN: 13209501
how did you manage 9.5:1 compression with flat tops and 58 cc heads?

John

towmandan
Dirt Maniac

Total posts: 124
posted May 09, 2003 05:00 PM
The small bore is why it takes such a small cumbustion chamber to build compression...Thats why its so easy to build compression with a 400 with a flat top piston your squeezing down the big bore....Towman

outlawstock17
Dirt Forum Champ
Total posts: 634
posted May 09, 2003 05:50 PM
towman nailed it!

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