Hp estimate 76/75 on3 - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 7 Old 02-22-2018, 03:31 PM Thread Starter
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Hp estimate 76/75 on3

Just ordered my on3 kit this afternoon. Doing a whole new setup on the car. Itís still 347 boss block, putting on afr 185ís keeping the f cam. Compression is gunna be around 8.9:1 so Iím planning on spinning it 15-20 lbs of boost. What kind of numbers should I be expecting? Just looking for a fun street car maybe some track here and there


1992 black notchback... 347 boss block, afr 185 renegade, 80lb injectors, edelbrock rpm II, on3 7675, tko 500, 3.55 gears
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post #2 of 7 Old 02-22-2018, 11:48 PM
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As answered in Windsor Tech........

At 14-15 psi you should be able to double your output.

Theoretically, if you are at 350 horsepower N/A and add 15psi you should be 700 +/- horsepower if at 20psi you should be 810 +/- horsepower.

This all depends on correct fuel, intake temperature, exhaust flow at the downpipe, and other variables though it's pretty easy to get big numbers with boost in a V8.

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post #3 of 7 Old 02-23-2018, 07:20 AM Thread Starter
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Ok thanks I would be happy around there

1992 black notchback... 347 boss block, afr 185 renegade, 80lb injectors, edelbrock rpm II, on3 7675, tko 500, 3.55 gears
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post #4 of 7 Old 03-08-2018, 12:59 AM
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Id say around 650whp through an auto somewhere around 15lbs through an auto and conservative timing if the echaust is pretty free flowing.
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post #5 of 7 Old 03-09-2018, 11:35 AM
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I Did 683 RWHP thur a 5 speed at 14 pounds 363 CI. Pump Gas
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post #6 of 7 Old 03-10-2018, 09:23 AM Thread Starter
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Wow and that was with an on3 kit? Iíd be very happy around 650

1992 black notchback... 347 boss block, afr 185 renegade, 80lb injectors, edelbrock rpm II, on3 7675, tko 500, 3.55 gears
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post #7 of 7 Old 03-10-2018, 11:26 AM
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Quote:
Originally Posted by Powerstroken View Post
Wow and that was with an on3 kit? Iíd be very happy around 650
No, mine is a hellion Kit with a precision 76/75
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