not to be a debbi downer pointer out er of potential future ground issues but your gonna grommetize that tach lead right?

way to go buddy!!! sounds good.:thumbsup:

:woot:
I was scrolling down on mmy phone, saw that ground into the aluminum intake and thought :_paranoid. Hmmmmm...okay?

Then the video and explanation! :cheers:

Congrats on squashing the bug:thumbsup:

Keep the updates coming! You haven't "gone to the dogs" after all!:rofl:

http://s3.amazonaws.com/advrider/rilla.gif

The..........:drama:.........is OVER!

Thank you!

Thanks Ron. :thumbsup:
Varoom vroom!

........and it didn't grenade in the 30 minute break-in, no leaks, NO FIRES! Throttle response feels good looking forward to seeing what the heads, intake, and carb upgrade feel like. Too bad the fire kept me from the "before" dyno session I had planned. But I don't need a sheet of paper to tell me it's better or worse. :unibrow:

A fricken ground...........old school old fart discounted how sensitive modern electronics are.........if it was an LS it might have taken this idiot a year. :D

I set the ignition at 12* for break-in and richened the air circuit and idle mixuture screws. It almost hit a peak of 190* and oil pressure at 2K was 38 psi.

http://photos.smugmug.com/photos/i-2...-2GMBPGP-M.jpg

After the run in I set the idle at 950ish and initial at 16* and shut it down without any run on. 16* intial gives me a total of 41* at 3,750.

No discoloration on the new Doug's Headers either!
http://photos.smugmug.com/photos/i-d...-dWGQqz2-L.jpg

CONGRATS and happy for you.. Now have some Cool Whip!!

Just for you JerDawg

http://photos.smugmug.com/photos/i-3...-3z72RXh-L.jpg

That's too much timing IMHO for a small block with good heads.... With the 18* stop bushing - I'd set it for 36* of total with 18* of initial.

Of course the old drag way of doing this would be to read the plug strap and see if the discoloration changes right in the center of the bend of the strap...

Todays head designs need less total timing - and todays gas also like less timing.... Of course the only real way to know what it "wants" is a dyno... and timing is far more important for performance than A/F ratios.

I agree with Greg here buddy! When we ran our circle track engines on the dyno, they loved 40*. That was with 043 Cast Iron BowTie heads and 10.5:1. As soon as we tested a better set of aluminum heads on the same short block and cam we were down to 38* total. I think all you are doing now is making heat. Glad to hear it singing! Congrats! :thumbsup:

Thanks guys. :thumbsup:

My unknown is the compression ratio....I'm guessing it dropped some with the AFR heads as they are the larger chamber but have been decked. My plan is to pay close attention to how the motor sounds and feels, check plug readings, and figure out by traditional means what is too much timing.

With the lumpy cam the motor seemed to settle in to a comfort zone at 14-16* initial and it shut down without a hint of run-on. Once I get the exhaust hooked up and can tinker with it some who knows on total timing and curve rate until I can put a load on it. 12* intial 36-37* total is the SBC benchmark based on this MSD video but that motor also had 10.5:1 comp and if I'm lucky I'm at 9.5:1.

Factoring the lumpy cam, modern fuel, and lower compression don't you think I can be a little more aggressive with timing and not melt it down?

I'm guessing one of these combo's 12+21=33 - 14+21=35 - 16+21=37 - 12+25=37 - 14+25=39. I'll play it by feel and ear to see what it likes for initial with closed exhaust and go from there to find this motor's sweet spots.........make sense?

Thanks Chad, what were you running for initial?

Gotta love Weldapedia. :)

Here's what I'm thinkin' should be your next project!