|
Re: Erratic engine idle 72 350
I've seen the brake booster as a source for the vacuum leak with your symptoms. As the diaphragm move the leak comes and goes.
Easy to check the timing is the cause. Put a timing light on the engine and watch it when the RPM changes.
__________________
Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. 
RIP Bob Parks.
1967 Burban the WMB,1991 S(stink)-10 Blazer,1969 GTO, 1970 Javelin, 1952 F2 Ford 4X4, 29 Model A, 72 Firebird. 85 Alfa Romeo
If it breaks I didn't want it in the first place
The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377
|