I actually have a hopped-up 29D motor which runs quite strong--has a stock cam and HD6 carbs with headers and a DMD 2-carb manifold and 1.6 rockers. Now I'm interested in figuring out why my mileage
I didn't realize you had 1.6 rockers on your car - that could have been enough to make your car run with poorer mileage. Usually increasing cam duration and increasing valve lift will reduce your mi
Don't forget that with the new ethanol in the gas, your mileage is going to drop! How much so will depend on your particular engine and the amount of heat that you are in. Bill BJ7 healey.nut@gmail.c
Ethanol mix shouldn't reduce mileage that much, no more than 10%. so... 20 mpg -2 = 18 mpg with ethanol at the worst. Alan '52 A90 '53 BN1 '64 BJ8 _______________________________________________ Sup
We've tracked mileage closely all over the western US and Canada for the last 16 years or so. It's been pretty consistent: 50-60mph => 22-24mpg 60-70mph => 20-22mpg 70-80mph => 18-20mpg Lower in hill
I am probably not the best case with which to make comparisons considering that I was towing my half-Healey trailer. Never-the-less, I can state that I had a couple of 19+ MPG legs with an overall av
In 3,391 miles so far during the Conclave trip, I have purchased 155 gallons. That yields a mileage of 21.8 mpg. Most of that has been cruising at around 55 - 60 mph with occasional gusts up to 70. I
This is always an interesting topic (my BJ8 has DWR road/rallye camshaft, and is ported and polished and new HD8s). My results are similar to Bob's although his are slightly better (you can convert