Mike -
For reasons I won't get into, I ended up putting H6 carbs on my stock BN1 motor.
The result was improved power and improved mileage! 25+ mpg!
I think the M cam will improve horsepower about 10% and reduce mileage
about ... 10%
On 2/19/09, rrengineer @dslextreme.com <rrengineer@dslextreme.com> wrote:
> Thanks to Doug I have the specs for the 100S cam which I am told is the same
> as the 100M cam, but after reading some discussions on the list about cams
> and flywheel lightening I am not sure what to do. My BN2 engine is not in
> the car yet, but the short block is assembled with a standard Moss pistons
> and a standard 100-4 cam profile. I still have time to change the cam as I
> have a spare to get re-profiled. I want a streetable car with a little more
> get up and go than stock. I will be using the larger carbs of the Lemans
> version. I am also getting the head ported and polished along with the
> combustion chambers evened out in volume. My question is, with the 100S/M
> cam, will I have to be in higher rpm ranges to get any benefit from the
> upgrade? Also, using a lightened (and I don't know how much to lighted it
> either) flywheel, am I turning this car into something which has to driven
> hard to get the benfit while losing a nice idle? Will the lightened
> flywheel beat up my transmission? That alone is a costly rebuild.
> Mike MacLean
> 56 BN2
> 60 AN5
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--
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Alan
'52 A90
'53 BN1
'64 BJ8
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