tming issues

[combustion]

how many degrees of timing should i set my 454 to?? here is the set up,1994 454 gen 5 converted to carburetor with an eddie mani and carb with an HEI dizzy. my book says to set it to 4 degrees btdc, but since the whole set up has changed, then i'm not sure if to set it to the fuel injection set up. I JUST got finished with the swap, so i want to gt it running properly asap. thanx a lot

[combustion]

and up we go! lol, l throw i a pic to lure people .

[GREASEMONKEY72]

my guess would 8* BTDC, looks nice to btw

[combustion]

Originally Posted by GREASEMONKEY72

my guess would 8* BTDC, looks nice to btw

oh ok, ya that is what my dad suggested, but i wanted to get a different opinion since he was not so sure either. but a, the picture does no justice, that flash shows all the imperfections i dont want it to show lol =P

il thro another pic just for the giggles



when i first got the motor



when i was halfway through my build

[GREASEMONKEY72]

good progress, whats it out of?

[combustion]

Originally Posted by GREASEMONKEY72

good progress, whats it out of?

if im not mistaking it was of a 1994 2500 p/u.
it has a eddie performer 2-0
750 cfm carb
carter fuel pump, (since the block cannot accept a mechanical one due to tbi)
the whole serpentine belt assembly
internal voltage regulator conversion
dual bolt patern hughes performance flexpate
HEI assembly.
and a electric fan assebly
i am still runing the th350. i hope it dont brake, it has never been rebuilt and its not designed to handle much power stock. plus i owe my dad quite a bit of money since i used all mine up in the fuel set up pretty much lol.

i found a picture of my old motor. it was and old and tired 307. i took it with my phonw thats why is a little blurry

[GREASEMONKEY72]

the tranny will shift just fine right up till it burns up...i dont know what the hp rating for them is exactly but id probly rebuild it as soon as i could, sounds like a good set up though and im sure itll be fun to drive

[cooters]

you can never go wrong with power timing, this way you get the max adv that the motor wants without guessing. Max adv=max hp

[Rascal_one2001]

gota love the serp setup I need to steal the one that I put on my k5 for my c10 but looks good hopefully you can get that things running smoothly.

[Billla]

The simple answer is to set to whatever initial timing is required to get 36 degrees total advance (initial + mechanical advance) at < 3000 RPM. You can then tune the vacuum advance. I posted an attachment in this forum that details the process. This a proven approach for max power and driveability.

"Power timing" will always be far too advanced.

[combustion]

Originally Posted by Billla

The simple answer is to set to whatever initial timing is required to get 36 degrees total advance (initial + mechanical advance) at < 3000 RPM. You can then tune the vacuum advance. I posted an attachment in this forum that details the process. This a proven approach for max power and driveability.

"Power timing" will always be far too advanced.

thanx a lot for your replies i will check that out for sure. you guys are awsome

[GREASEMONKEY72]

Originally Posted by Billla

The simple answer is to set to whatever initial timing is required to get 36 degrees total advance (initial + mechanical advance) at < 3000 RPM. You can then tune the vacuum advance. I posted an attachment in this forum that details the process. This a proven approach for max power and driveability.

"Power timing" will always be far too advanced.

could post it up here please?

[Billla]

Here you go - this is the very best guide I've ever read, and Lars is a legend in the Corvette community with MANY success stories to tell.

[GREASEMONKEY72]

thanks Billa

[cooters]

But Billla, what is to much timing when you say a smallblock can have 52 degrees advance? When it pings, its to much timing, no ping its good