Rough idle

vwdriverfoundvw · Posted: Fri Sep 15, 2006 6:31 pm Post subject: Rough idle

Hello,

I have been trying to tune my buss's type 4 engine with hydraulic valves. When I got it, it idled and ran smooth, only a little hesitation at higher rpms. In installed all new tuneup stuff and timed it, but now I cant get it to run as smoothly at idle. It runs great cruising on the freeway. What could I have changed/ set wrong?

Thanks in advance.

mharney · Samba Member Joined: June 01, 2002 Posts: 8353

Is it dual PDSIT's?

1964VW · Posted: Sat Sep 16, 2006 11:57 am Post subject:

Does it get any better after warm up? What kinda tune up stuff? brands ect..

vwdriverfoundvw · Posted: Sun Sep 17, 2006 10:02 pm Post subject:

mharney · Samba Member Joined: June 01, 2002 Posts: 8353

The carburetors. Or is it fuel injected?

doug · Posted: Mon Sep 18, 2006 8:27 am Post subject: engine problem

What kind of distrbutor do you have? What do you have it timed at? If you have a 009 you have to time at 28-32 degrees before top dead center at 3500 rpms. Also double check your points.


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