Exhaust and intake bolt center spec request please:
RE: later heads and exhaust manifolds - @ C9de thru @ D7de.
I'm fabbn' up some exhaiust and intake flange adaptors for an engine build and need exact spec measurement for FLANGE BOLT CENTERS for the Intake Port on the intake runner/log (NOT the carb mount studs) and the Exhaust Outlet.
> 3-5/16 INT (port) and 3" EXH ? , with a yardstick ...
thanx
RE: later heads and exhaust manifolds - @ C9de thru @ D7de.
I'm fabbn' up some exhaiust and intake flange adaptors for an engine build and need exact spec measurement for FLANGE BOLT CENTERS for the Intake Port on the intake runner/log (NOT the carb mount studs) and the Exhaust Outlet.
> 3-5/16 INT (port) and 3" EXH ? , with a yardstick ...
thanx