Toyspeed.org.nz Message Board

by **no_8wire** » Mon Jan 30, 2006 8:16 pm

How much valve clearance?
Its just that I am looking at a 1mm thick head gasket, and was wondering if it would be safe to run...

red car · by pc » Tue Jan 31, 2006 1:15 pm

I would think that it's still non-interference even with a 0.5mm head gasket. you should check with plasticene(sp?) tho.

by **Mr Revhead** » Tue Jan 31, 2006 1:54 pm

yep, check it.

which model redtop?

0.8mm is fine on small ports
and 0.5mm usually is too. but if its had the block or head shaved it may not be

by **gdsup** » Tue Jan 31, 2006 6:27 pm

i ran a 1.5mm shaved head on redtop block 10.5 : 1, was using standard 1.2mm gasket, no clearence issues, had 10 psi too :lol:

by **Truenotch** » Tue Jan 31, 2006 7:11 pm

You car is a 7rib TVIS isn't it no_8?

Or are you going smallport?

by **no_8wire** » Tue Jan 31, 2006 9:05 pm

Correct...7rib TVIS block...the bung motor of the 4age family... :cry:

Valve Clearance on a Redtop 4age