DYNO disaster ? Help
That 340 [still have] is just a .030 kb hypers, .528 solid 284*, mildly ported X heads [i did], 1 5/8 headers, 1.6 roller rockers, w tray, V baffled, weiand single plane and holley 750 dbl pumper 72 pri 82 secondary, MSD dist 26/34 all in by 2200rpm
revs 6800 all day and will pull a lil past 7k
super basic.
I even found the flow sheet for 'em here..
the exhaust began to lag down low after the last Valve job [sunken hurts]