• Hi Guest!
    If you appreciate British Car Forum and our 25 years of supporting British car enthusiasts with technical and anicdotal information, collected from our thousands of great members, please support us with a low-cost subscription. You can become a supporting member for less than the dues of most car clubs.
    There are some perks with a member upgrade!
    **Upgrade Now**
    (PS: Subscribers don't see this gawd-aweful banner
Tips
Tips

Power Tuning

Share this page

R

Ray Smith

Jedi Hopeful
Offline
Years ago I read an article that involved utilizing a vacuum gauge to time an engine. I have forgotten the particulars of the article, and was wondering if any of the Healey owners could give me specifics on timing my Healey with a vacuum gauge.

I do remember that the article indicated that the timing should not be set at the highest vacuum reading, rather at a lower point.

Anyone had experience in this arena?????

Thanks,
/ubbthreads/images/graemlins/confused.gif
 
Ray, Using a vacuum guage to time is close but not by any means rocket science. Set you 'idle' (or have your helper keep the engine steady)to 4000 rpm and then turn your distributor to achieve the highest "steady" vacuum reading. That will set your total advance curve at it's highest pratical setting. Depending on the condition of the engine that should be in the 32 to 37 degree's of advance. Using a programmable timing light would be more accurate.
 
Back
Top