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diamonddav
PostPosted: Tue Jun 28, 2011 8:22 pm 
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i got a 1641 w/ engle 100 cam, just bought a weber 40 idf carb for it, installing tonite, but last time out i was having problems and stuck like chuck and drunk so i started messin with the distributor tryin to get it to crank better! think i was hydro locked cuz of the junk solex carb but anyhow, puttin new carb on it with a fuel pressure regulator. what should i set the regulator at? im thinkin 2 psi but would like some input. also at what degree should my timing be set at when i get all together and running, thanks in advance for any info and help! tryin to get this thing runnin for the hillclimb at harlan!!!!!!!!! see you all there

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bluebuggy
PostPosted: Tue Jun 28, 2011 8:40 pm 
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4psi Is what i think most run or i have in the past and 7.5 BTDC

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Aaron Creech
PostPosted: Wed Jun 29, 2011 12:27 am 
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Are you running a stock pump or electric? If stock you don't need a regulator.That carb only needs about 2-3 psi.Set the timing at 30 degrees at 3000 rpm.Run 93 octane gas.
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Odyknuck
PostPosted: Wed Jun 29, 2011 8:16 am 
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Aaron Creech wrote:
Are you running a stock pump or electric? If stock you don't need a regulator.That carb only needs about 2-3 psi.Set the timing at 30 degrees at 3000 rpm.Run 93 octane gas.


Curious why you would run 93 Octane in a 1641 motor. Is the compression above 8.5:1? Regular gas actually burns hotter and will produce more power than a higher octane that is formulated for higher compression motors.

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chris38375
PostPosted: Wed Jun 29, 2011 9:31 am 
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Odyknuck wrote:
Aaron Creech wrote:
Are you running a stock pump or electric? If stock you don't need a regulator.That carb only needs about 2-3 psi.Set the timing at 30 degrees at 3000 rpm.Run 93 octane gas.


Curious why you would run 93 Octane in a 1641 motor. Is the compression above 8.5:1? Regular gas actually burns hotter and will produce more power than a higher octane that is formulated for higher compression motors.

inside the fuel lid on a stock beetle says 92 octane min.
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Odyknuck
PostPosted: Wed Jun 29, 2011 10:29 am 
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Ah! I did not know that. I stand corrected.

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diamonddav
PostPosted: Wed Jun 29, 2011 11:49 am 
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arron its an electric pump, i have an aj block, originally fuel injected. ray and erics my buds, i'll be comin to see you soon!so would 2 setting be fine?

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bige70chevy
PostPosted: Wed Jun 29, 2011 6:40 pm 
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diamonddav wrote:
arron its an electric pump, i have an aj block, originally fuel injected. ray and erics my buds, i'll be comin to see you soon!so would 2 setting be fine?

put it right before 3 and you should be good to go

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