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Old 08-21-2005, 11:25   #1 (permalink)
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Going to the chassis dyno tomorrow night..Any guesses?

Tomorrow night I'll be taking my truck to a shop and having it dynoed. I'm really excited that I'll get to see what it really has and where it makes peak hp/tq and how close my carb tuning is. Anyone want to throw any guesses out to what kind of hp/tq it will make? Here is the combo:

351 Cleveland 4v. Bored 0.030 over with TRW flat tops that yield about 10.8:1 compression. Heads are closed chamber 4v that have been ported, exhaust side was also polished, Parker port stuffers in intake ports, Manley Race Master Valves 2.19"/1.71", and Crower Stainless 1.73:1 Rockers. MME custom hyd roller 242/244@0.050 with 0.640" lift on both sides. Funnelweb Intake with a 1" custom tapered Wilson's spacer that is matched to the cloverleaf pattern on the intake, 950 HP Holley DP. MSD billet distributor, MSD Digital 6 Plus ignition box, and MSD HVC coil. Hooker Super Comps with 1 3/4" primary tubes into a 3" collector. Exhaust is dual mandrel bent 3" with Borla XR-1 Sportsman mufflers.

Full Roller c6, Sonnax Super Servo, Broader Stage 5 valve body, 4000 Dacco Torque Converter, Gear Vendors Overdrive, 4.86 gears and a Detroit Locker equipped 9".

Any guesses are appreciated so I know what to expect and I'll post results after I get home tomorrow.
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1982 F100 2wd-408c CHI 3V 225cc Heads, 3v Intake, Pro Systems 1000+HP carb, 260/266@0.050 w/ 0.694/0.697" lift solid roller, JPT Rollerized c6 and 5000 rpm converter, 4.86 gears and S&W Ladder Bar kit with QA1's all the way around.
7.976@89.90 mph 1/8 mile with lots of bounce - with old engine and suspension(should be greatly improved)
1982 F100 408c 3v
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Old 08-21-2005, 15:37   #2 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

350 hp atw's is my guess. Good luck with it, be interesting to see where the power levels out at.
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Old 08-21-2005, 16:14   #3 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

This is interesting, i am goin to guess 335 hp. Have u ever had the truck run down the 1/4 mile if so post some times.
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Old 08-21-2005, 16:58   #4 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

412 rwhp
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Old 08-21-2005, 17:01   #5 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

with the 4v heads, that cam and the CR i am gunna guess about 410rwhp+
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Old 08-21-2005, 18:52   #6 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

I'll guess between 420 - 430rwhp.
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Old 08-21-2005, 19:05   #7 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

it should make 420 plus at the rear wheels , but then as we all know high stall convertors and dynos dont mix and even things such as tyres can have a big effect on the final output, but good combo .
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Old 08-21-2005, 20:33   #8 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

380 rwhp. But you never know, as i have heard the yanky dynos read higher than aussie chassis dynos. Thats the reason they dont seem to lose as much between engine and chassis dynos.
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Old 08-21-2005, 20:57   #9 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

id say 370-390 rwhp ive heard that aswell that the U.S. dynos read higher??? anyways good luck p.s. use lower profile tyres ie 50 series on 15" rims dont know if thats possible on a truck but it apparently increases your reading a tad.
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Old 08-21-2005, 21:07   #10 (permalink)
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Re: Going to the chassis dyno tomorrow night..Any guesses?

I would guess low 400's at the wheels.
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