would like to see a modded spark table.

KasaRyan at aol.com KasaRyan at aol.com
Sat Sep 23 05:32:24 GMT 2000


Hey folks - now that I am able to continuously mod, test, and document my bin 
changes - I am getting better, but am nowhere near what I think I should 
expect for mileage.  I am getting about 12-13 mpg on the highway with 4.10 
gears and a 383 in a fullsize truck.  Things run pretty good, but still need 
improvement.  I would like to see an example of a hot-rodded bin for a 0D or 
E6 (8625 or 7427).  Also, I am running 10 deg distributor advance with the 
plug pulled, and inital spark bias in the bin is 10 degrees.  The initial 
spark advance is zero.  I think this means I need to add 20 degrees to all my 
table values to get a real world number.  Is this right?  To go 70 mph 
requires about 13% TPS, with 40 KPA, at 2350 rpm, and 128 int, 163 blm, BL 
cell 7.  I am running 27deg (+20=47 deg) at this point.  Is this too much for 
AL heads - I know they need more, but how much.  I also had to take out 
timing at top and have 13 deg (+20 = 33) at 4000-6400 at 95/100 kpa.  I can 
run more than this without audible knock, but I have to reduce retard first.  
I think 34 is about right for AL and 38 is Ok for iron in a hotrodded 
situation, correct?  My specs are at the URL below if anyone wants them.  
Thanks for all the help guys!  TTYL on tuesday.

PS - who was in McPherson? 

Thanks for listening to my electroyappin!
Ryan Hampl - a K-State Grad!    kasaryan at aol.com
139 Hoover Ct.                  Controls Engineer (tubes rule!)  
Salina, KS  67401               97 B12 / 86 V65 / 93chevy truck EFI 383
phone  (785) 825 5831           I'M ALWAYS FIRST TO THE GROCERY STORE!
http://hometown.aol.com/kasaryan/myhomepage/hotspot.html
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