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at [ROOT]/includes/functions.php:3887) [phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4756: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3887) RS Motorsport :: Classic Speed Restored • View topic - unleaded inserts or not ?
don't think i've heard of gettin the existing seats hardened ?, i've had a reply on turbosport saying they are inserts, but another opinion from one of the guru's on here to back it up would be better!!, i'll be stoked if they are saves buying valve seat lubricators
well it is a completely std motor so i don't think they would usually goto the trouble ? i just lapped the valves in and i'm gonna leave it and added some hd single springs curious to see how it goes
yes it's all a question of where to stop though start doing that then start smoothing out the valve guide etc etc. this head in my mind suits the build perfectly all i care about is not having to put additive in every tank, i also would like to know the potential of an absolutley std head in this application. i do have an unleaded ported head but it's been shaved a bit and would need to go with a suitable bottom end to work properly hopefully sometime in the future
just for reference sake i'll say this motor hammers with this head on 15- 20 psi wheel spin in 4th with open 3.9 diff 195/50 r15 yes the tires are a bit old and hard , could only imagine what a decent head would do