Bristol Cars - Owners and Enthusiasts Forum

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-   8 & 10 cyl Bristol cars (https://www.bristolcars.info/forums/8-10-cyl-bristol-cars/)
-   -   Typical idling speed for a well-warmed late '70s V8 engine? (https://www.bristolcars.info/forums/8-10-cyl-bristol-cars/181-typical-idling-speed-well-warmed-late-70s-v8-engine.html)

browning l 20-02-09 07:53 PM
Typical idling speed for a well-warmed late '70s V8 engine?
 
Anyone want to offer a reply?

Hugh 20-02-09 09:05 PM
My Britannia approx 560RPM in neutral 500 in drive idling

davidd 21-02-09 10:11 AM
Never measured it accurately, but my 603 will tick-over below 400. Doesn't sound nice so low so a rev-counter needle's width above 500 is normal. That's with the AFB carb - with the old Thermoquad, it wouldn't tick-over cleanly below about 800 - but that leaked fuel and air in equal quantities!

David


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