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Mr. P body, it will be in the dragster show. i will not leave them in I will remove the sensors after geting the tune up correct and put plugs in the bungs. I am trying E85 on the car and need to find the safe tune without hurting anything. The calculated compression is 13.7 so I do not really know if the e85 will work for me.

bob Spelic

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Bob try to keep the bungs as far forward as possible
but still in the path of all 4 tubes, like has been
said already if you get near the collector exit it
can pick up outside air. You could had a slip fit
collector extension with the bung on the front of
it(a collector that can tighten down) then when
completed you take it off.
I run 14.1:1 on E-85 but my cam has a 112 LSA installed
at 106 or 108 I forget right now... runs good on it

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I am 13.6 with the ross big dome piston (14cc), EZ-1 heads at 75 CC and a .060 cometic gasket (to get the static compression down). My cam is 282/274 @ .050 on a 110 CL in at 108. I am very worried about beig able to run E85 and bought the LM-1 as I think I need all the help I can get in getting it set up.

The removable collector extension sounds like a good idea.

Bob Spelic

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Bob I wouldnt worry with the 110 LSA, your 2* shorter
and a 1/2 compression point less. The E-85 will
run cooler so that less prone to detonation .
If you go with the collector extension make sure its
sealed so you dont pull in air at the joint and get
a false reading

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Disconnect E-vac if you have it for a run.

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Disconnect E-vac if you have it for a run.

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Does E-VAC effect the O2 reading? Would it effect if the O2 sensor bung was upstream from the E-VAC????

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Yes the evac will effect the reading... unless its
up stream like you stated

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I am 13.6 with the ross big dome piston (14cc), EZ-1 heads at 75 CC and a .060 cometic gasket (to get the static compression down). My cam is 282/274 @ .050 on a 110 CL in at 108.

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