Just tryd out the redline femca 0801..also drop to a 13t from a 14t.
WOW this 3p rspec explodes with this pipe..

hsn 1/4 in from flush.
lsn 1 3/4 in from flush.temps. at 260ish.
Had buggy guys telling me that the have never seen a truggy move so quick.
I am a go engine guy from now on...
Next engine will be a PTM 5 port.
Thanks for all the great info Brain ..you really know these go engines..thats for sure.