special06shee Posted April 7, 2013 Report Posted April 7, 2013 if you have a "drag" ported cub, and are going to be racing more then anything, then it is a no brainier. go with the in frame drag pipe that has been proven time and time again that makes the most power. shearer!! if you were more geared toward trails, hills, stuff that requires a bit more bottom end then the cpi would be a better choice. I had a redline ported 421 cub.(not drag ported) Cameron more or less tried to extract the most amount of usable power out of the cyl. and domes.. that motor really liked the sb cpi's. Quote
Methfireroad Posted April 7, 2013 Author Report Posted April 7, 2013 So shearers for the WIN!!!!!! Quote
So Cal Suspension Posted April 8, 2013 Report Posted April 8, 2013 If you've got $450 to spend right now, like said previously, I'd save your pennies and just buy a set of new ones. You won't find a better pair of pipes, that's for sure. Quote
J-Madd Posted April 9, 2013 Report Posted April 9, 2013 I've got some like new Chrome Vitos Fat Bastard pipes. Look almost identical to Shearers. Quote
Nightmare Posted April 9, 2013 Report Posted April 9, 2013 Pretty much shearers, just built to Vito's specs. <br /><br />Sent from my SGH-T679 using Tapatalk 2<br /><br /> Quote
Methfireroad Posted April 9, 2013 Author Report Posted April 9, 2013 Thanks everyone. Bought some shearers new Quote
J-Madd Posted April 9, 2013 Report Posted April 9, 2013 If you have a motor ported for CPIs its gonna be down on power and maybe hold heat with Shearers. Check the exhaust port duration. If its higher than ~ 198* the CPIs usually work better. Quote
WINDYCITYJOHN400 Posted April 9, 2013 Report Posted April 9, 2013 If you have a motor ported for CPIs its gonna be down on power and maybe hold heat with Shearers. Check the exhaust port duration. If its higher than ~ 198* the CPIs usually work better. Only if the compression is high too. He's set up for pump gas. Quote
Nightmare Posted April 10, 2013 Report Posted April 10, 2013 He cancelled his order and got some fatties. Fatties need love too stvn:D Sent from my SGH-T679 using Tapatalk 2 Quote
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