Re: Did tune-up, car still runs like crap
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Did tune-up, car still runs like crap



Yes, I removed the intake manifold, I replaced the O-rings for the 
cold start valve, idle speed motor, the 6 main-o-rings, the two o-
rings and spacers in the the U-pipes, the gaskets for the U-pipes, 
and the main gasket for the air meter unit. 

To clean the injectors, i just sprayed them with carb cleaner to get 
the deposits off the sides, i was careful not to get any debris on 
the ends. I reused the old injector retainer clips.

I have not checked the timing yet, I will do that and the spray test 
you mentioned. Thanks for the help!

Adam Price
OR 16683

--- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> 
wrote:
> So many variables in one message...
> 
> Did you take intake manifold itself off (you mention O rings -- 
seals
> around ports on heads?). Is tricker to reinstall with air tight fit
> than I first realized. While car idling, spray carb cleaner around
> each port at head mating surface to see if any have vacuum leaks. 
Also
> spray each fuel injector port (you don't mention replacing the "top
> hats"). If removed, recheck the cold start tube (access between
> cylinders #1 and #2). Somehow ensure idle speed motor takeoff is air
> tight (suggestions anyone? I just stuck a big vacuum cap on mine and
> threw away). And spray the U pipes while you're at it.
> 
> Then variable #2...
> 
> Bill Robertson
> #5939
> 
> >--- In dmcnews@xxxxxxxxxxxxxxx, "Adam" <acprice1@xxxx> wrote:
> > Yesterday I did a full tune-up, I used stock delorean components 
> > except for the plugs which are platinum +4. I cleaned many parts 
with 
> > carb cleaner, replaced some old vacuum hoses, replaced ALL 
gaskets 
> > and O-rings that have to do with the intake manifold, did valve 
> > adjustments for all valves and cleaned the fuel injectors.
> > 
> > Car fired right up, but still idled poorly, it smoothed out some 
as 
> > it warmed up. I took it for a quick 12 mile spin on the highway. 
The 
> > car seemed to have a little trouble going up hill, I had to give 
it 
> > more gas than usual to keep the speed up.
> > 
> > One thing to mention though is that the wires definatley needed 
> > replacement. they were so old and rusty that the leads broke of 
from 
> > the wires when I tried to remove them. Some of the leads were 
rusted 
> > to the tops of the spark plugs!
> > 
> > Adam 16683






Home Back to the Home of PROJECT VIXEN 


Copyright ProjectVixen.com. All rights reserved.

Opinions expressed in posts reflect the views of their respective authors.
DMCForum Mailing List Archive  DMCNews Mailing List Archive  DMC-UK Mailing List Archive

This site contains affiliate links for which we may be compensated