Eureka! We've Done It . . .

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Amskeptic
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Re: Eureka! We've Done It . . .

Post by Amskeptic » Fri Oct 24, 2014 7:24 am

airkooledchris wrote:It sounds like we need to meet somewhere in the middle of the two. Im off for some late night test driving and will futz with the cog to go looser - and see if I can't get some leaner numbers off throttle.
Let us know if tighter cog drops off throttle, vs looser throttle.
We need to move this to which technical forum?
Troubleshooting? Fuel Delivery?
BobD - 1978 Bus . . . . . . . . . . . 112,660 miles
Chloe - 1970 bus . . . . . . . . . . . 206,845 miles
Naranja - 1977 Westfalia . . . . . 112,885 miles
Pluck - 1973 Squareback . . . . . . 55,570 miles
Alexus - 1991 Lexus LS400 . . . 78,899 miles

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airkooledchris
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Re: Eureka! We've Done It . . .

Post by airkooledchris » Fri Oct 24, 2014 7:28 am

Amskeptic wrote:
airkooledchris wrote:It sounds like we need to meet somewhere in the middle of the two. Im off for some late night test driving and will futz with the cog to go looser - and see if I can't get some leaner numbers off throttle.
Let us know if tighter cog drops off throttle, vs looser throttle.
We need to move this to which technical forum?
Troubleshooting? Fuel Delivery?

Witchcraft would be more like it. Once you throw the O2 sensor into the mix, it's really oddball results. I did a short test drive last night, but will do it again before I have any good numbers to share. I have a feeling that combined with the stock O2 system, I might be able to get to that magic spot with the computer trying to lean me out if not at WOT. Once I hit WOT though, it dives straight to 9.7 currently. I can probably play with that some more....
1979 California Transporter

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Amskeptic
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Re: Eureka! We've Done It . . .

Post by Amskeptic » Fri Oct 24, 2014 6:59 pm

airkooledchris wrote: Witchcraft would be more like it.
=D>
airkooledchris wrote: Once you throw the O2 sensor into the mix, it's really oddball results.

Once I hit WOT though, it dives straight to 9.7 currently. I can probably play with that some more....
The wiper adjustment seems to be the one and only final arbitrar of WOT mixture. A teensy tiny little 1/8 of a tooth increment towards 10.5-7, check CHTs and performance, and maybe another towards 10.8 WOT 55 mph.
Colin
BobD - 1978 Bus . . . . . . . . . . . 112,660 miles
Chloe - 1970 bus . . . . . . . . . . . 206,845 miles
Naranja - 1977 Westfalia . . . . . 112,885 miles
Pluck - 1973 Squareback . . . . . . 55,570 miles
Alexus - 1991 Lexus LS400 . . . 78,899 miles

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