set the float level (spec is 10mm, we like 11-11.5mm, "new" they are around
15mm and the car will barely get out of the driveway). Are the pump jets squirting when you hit the carb open?
make sure you don't have a vacuum leak.
John Aircooled.Net Inc.
I have finally started to test drive the 2007cc engine that has been
> about 1.5 years in the making.
>
> I am seeing two problems and would like your advice on them.
>
> 1. I am seeing a lot of white colored smoke when I rev. the engine.
> It is new, so I am wondering if the rings are not broken in yet, and
> this might be normal?
>
> 2. There is a HUGE hesitation off of idle. When I say huge, if I
> don't run the engine speed up first, if I just step on it, I will kill > the engine.
>
> I am not sure what the idle is right now, I still have not been able
> to get a TACH working in the car yet. I have tried connecting the
> tach to either side of the compufire (of course one side is just a
> switched ignition so it will not drive the tach), and I have also
> tried the TACH wire from the Hyfire and nothing works. I have also
> bought a new tach (small one it only cost $20) just to verify I didn't
> have a burned up tach.
>
> But anyway, I'd guess the idle is somewhere around 900 from the sound
> of the engine. If I FLOOR it from idle, it just bogs down and nearly > dies.
>
> I have opened the filters on the air cleaners and verified that the
> ACCEL pumps are shooting gas when the carbs are opened up.
>
> Any ideas what this could be? Is it the fact I am using a 009, and I
> should just replace it with a vacume advance unit? I can believe
> everyone who runs 009's has THIS much bog down from IDLE. I also ran
> a 009 on my almost stock 1385cc for years and it didn't have any
> problems coming off of idle.
>
> Any suggestions?
>
> The configuration of the engine is: (hope I am not forgetting
> anything)
>
> 90.5 x 78
> total seal rings
> case full flowed - machine work done at Rimco
> heads - Aircooled.net level 6 heads
> NGK plugs
> mallory HYfire VI - CDI module
> 009 distributor
> 1 1/2" bugpack merged headers with hide-away muffler
> WEBcam 121 cam
> 1.1 ratio rockers with swivel feet
> doghouse cooler
> dual 44mm IDF carbs
>
> Carb jetting
> Emulsion tube: F11
> Main Jet: 135
> inlet valve: 55
> Idle Jet: 50
> pump jet: 50
> Aux Venturi: 45
> main venturi: 36
> starter jet: 90-F5
>
> Ignition timing: max advance 32 deg. - idle sits at about 11 deg. >
> Any suggestions?