Need Some Help Understanding Timing
10-23-2007, 12:56 PM
#1
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Need Some Help Understanding Timing
And how it works.
After reading Petes post: http://www.bonnevilleclub.com/forum/...r=asc&start=40, I am slightly confused.
Watching the Aeroforce, I see a ~ -24° idleing to cruising at 70 with the stock PCM. I have a reprogramed PCM from Boosty (thanks again Boost
) but I am leaving the stock in there to learn After reading what Todd and Boosty wrote, something ain't right. The best MPG'* that I see on the highway are 25-26, the O2 was replaced last winter and the car is well maintained.
I am assuming that the -24° is not helping the fuel economy?
After reading Petes post: http://www.bonnevilleclub.com/forum/...r=asc&start=40, I am slightly confused.
Watching the Aeroforce, I see a ~ -24° idleing to cruising at 70 with the stock PCM. I have a reprogramed PCM from Boosty (thanks again Boost
) but I am leaving the stock in there to learn After reading what Todd and Boosty wrote, something ain't right. The best MPG'* that I see on the highway are 25-26, the O2 was replaced last winter and the car is well maintained.I am assuming that the -24° is not helping the fuel economy?
10-23-2007, 01:03 PM
#2
DINOSAURUS BOOSTUS
Expert Gearhead
Greg, Your timing tables are stock IIRC. 1997'* show timing as a negative number. Cruising at 24 degrees is quite normal. I have seen up around 30'* as a normal occurence.
10-23-2007, 01:08 PM
#3
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I saw Bill'* for the first time and was wondering why he had negative numbers. lol
24* is good. 35* is pretty normal for me at 65mph. I saw 45* in the 94 on one trip.
24* is good. 35* is pretty normal for me at 65mph. I saw 45* in the 94 on one trip.
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