fuel delivery differences (HP) Options

[RonnieJ]

What will a stock 1.7 produce in H.P.with the following.

Progressive 32/36

Weber 40's

D-Jet F.I.

[brant]

not answering your question exactly
but its more about throttle response than actual HP numbers


for example
a giant set of 48IDA carbs might actually flow the most air and on a dyno at 7K might show the most hp...
but they won't be driveable below 6K

the progressive carb also isn't very smooth when the fuel falls out of suspension in the intake runners causing rich and lean moments..

so its more than just HP unless you are racing and have a very narrow range of 1000rpm or less that you are trying to get it to function within.



you can make your question more specific
what are you trying to do?
are you asking which induction to use on a stock 1.7 with stock everything else including heads, compression, cams, and exhaust?

then DJet is the answer

brant

[RonnieJ]

not answering your question exactly
but its more about throttle response than actual HP numbers


for example
a giant set of 48IDA carbs might actually flow the most air and on a dyno at 7K might show the most hp...
but they won't be driveable below 6K

the progressive carb also isn't very smooth when the fuel falls out of suspension in the intake runners causing rich and lean moments..

so its more than just HP unless you are racing and have a very narrow range of 1000rpm or less that you are trying to get it to function within.



you can make your question more specific
what are you trying to do?
are you asking which induction to use on a stock 1.7 with stock everything else including heads, compression, cams, and exhaust?

then DJet is the answer

brant

Thanks Brant, I understand that better flowing heads and differnet cam and larger displacement make more HP but I always heard that fuel delivery can also give you more horsepower. I am not trying to change anything on my current engine and was just wondering if fuel systems can actually incease horsepower on a stock engine.