thought it may interest some who run Imps....
Hillman Imp power curve
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Bill Lymburn
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Hillman Imp power curve
Found this today, power print out for a tuned Hillman Imp engine I had......
thought it may interest some who run Imps....
thought it may interest some who run Imps....
"A promise made is a debt unpaid".
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steve-e
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Re: Hillman Imp power curve
Love it Bill. Seems good power for 75 
What is BMEP 16 sq.in?
What is BMEP 16 sq.in?
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oldbelly
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Re: Hillman Imp power curve
At the back wheel Bill ?
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Bill Lymburn
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Re: Hillman Imp power curve
Steve, BMEP is brake mean effective pressure, the pressure in the cylinder at that point in time.....
Geoff, I don't know, it was a Rootes Group rally engine prepared for a local dealer I got for a spare....I did not race this engine...the engine I used was tuned by Greetham engineering for power boat racing and was supposed to have 118BHP....it had nothing below 6k and pulled very strongly to 10k, but 9.5k was safer....they were as quick as the first of the Yams, revs came up quicker in the Yam though.....
Geoff, I don't know, it was a Rootes Group rally engine prepared for a local dealer I got for a spare....I did not race this engine...the engine I used was tuned by Greetham engineering for power boat racing and was supposed to have 118BHP....it had nothing below 6k and pulled very strongly to 10k, but 9.5k was safer....they were as quick as the first of the Yams, revs came up quicker in the Yam though.....
"A promise made is a debt unpaid".