I have to disagree with cyberdyne on the timing. I say this because I have the same motor and I bought a curved dizzy from the man himself, Scotty.
16 init, +20 centri inverse logarithm, +21 vac.
36 total by 3000
idle 37+
how you achieve this is another story.
Hope your enjoying it.
6R80 takes things to next level... as does nitrous. or both
I hope to get my damn tag this afternoon where I can get it on the road legal....Full tank of fresh 91 non-ethanol be nice too.
Man a 6r80 would be bad ass.. Not in the cards for this right now though.
I appreciate the input. Any idea of your final compression ratio? Is your cam ground with 4* of advance? Scotty told me I'd be pushing the limits of 91 octane with my setup.
My base is at 14* now. I'm total at idle around 26-28. I'm all in at 34* at 2800ish rpm.
Mine appears unhappy with current vacuum advance can off a 351m (its like a 22* can?), its currently set 12-14ish* at idle in park.
Before I had full advance in around 2500ish with the 8* can and no ping.
With this new can, adjusted mechanical up to 2800ish, still pings with new can.
I have seen Scotty say over and over scenario like mine with truck, convertor etc 10-12* should suffice.
I don't get the moderate throttle ping with vacc disconnected. Wondering if its combo of olderish fuel, and or my block not being zero decked with these late -15cc efi pistons, 1.77 compression height....
It was ok few months ago with the generator 8* advance can but the diaphragm ruptured. It was set mid way not sure what vacc. was but with 16 base i had 24* at idle.
Im going to keep tightening this current can and see what i does...
May end up try the vc230 can with 12* total and see If I can get it happy with that. If it stays unhappy I may end up ******ing cam timing a bit to reduce cyl pressure...
NOS would be fun, but I dont think my current 1310/1330 driveshafts and half ton axles would be happy. They already crying with 35's and 3.50 gears and the dumb stuff I do.