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Author
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Topic: Power and 1/4 Mile guesses?
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f100cleveland
Gearhead Posts: 363
From: St. James, MN
Registered: Sep 2004
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posted 01-03-2005 11:52 PM
   
I'll be running my truck down the track for the first time this spring and might also take it to a local chassis dyno to see what kind of numbers my engine is puttin to the ground. I would like some of you guru's opinions on hp/tq and also quarter mile time/mph. Engine: 357 Cleveland with TRW forged flat-top slugs, rods are reconditioned w/ARP bolts and fully balanced. Heads are D0AE closed chamber 4v's that have been ported a lot in the bowl and short turn area. All casting marks and bumps were smoothed. Exhaust side was also polished. The rocker pedestals are machined for adjustable valvetrain, 2.19" Milodon Mega-flo intake valves, 1.71" Milodon Mega-flo exhaust valves, Crower Stainless 1.73:1 roller rockers, PSI dual springs w/dampner, and Comp titanium 10 degree retainers and locks. Custom MME Hyd Roller cam with 285/287 advertised, 242/244 @0.050, 0.640" lift on both sides, and is ground on a 112 LSA. Funnelweb 4v Single Plane intake, 1" 4 hole spacer that is matched to the cloverleaft top of the Funnelweb, and 830 Holley DP w/annular boosters. Custom Flanged Hooker Super Comp Headers with 1 3/4" primaries, 34" long, 2 1/2" collectors and dual 2 1/2" exhaust into Spin Tech Pro Street Mufflers with dumps before the axle. Complete Jacobs Pro Street Ignition.
Drivetrain: Full Roller C6 Trans and Hobart Performance "Trick" Super Servo. The torque converter is a custom 10" 4000 RPM Dacco unit. Gear Vendors Overdrive, 9" rear with 4.86 gears, Detroit Locker, and 31 spline axles. Custom set of Cal Trac traction bars and clamped leaf springs in rear. Rear tires are 28x11.50-15 M/T ET Steets. Truck: 1982 Ford F100 2wd shortbox. It weighs 4,080 pounds with me in it. Thanks for your guesses!!!! ------------------
1982 Ford F100 2wd Shortbox. Powered by a 357 Cleveland w/ closed chamber 4v's and a Funnelweb. Full Roller c-6 trans with Gear Vendors Overdrive and 4.86 geared Detroit Locker equipped 9" rear. 1982 F100 351c 4v 1977 F150 460 Burnout Truck
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steve'66
Gearhead Posts: 9489
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 01-04-2005 12:28 PM
I think it should run in the 12s at 105-107 mph.  SteveW
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F570rd
Journeyman Posts: 92
From: mpls.mn.hennipin
Registered: Oct 2004
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posted 01-04-2005 01:25 PM
F100.......where are you going to race?
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f100cleveland
Gearhead Posts: 363
From: St. James, MN
Registered: Sep 2004
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posted 01-04-2005 01:38 PM
I might go run the 1/8th mile track at Grove City just to make sure everything is ok, mainly suspension. Then it will be Thunder Valley Raceway near Sioux Falls, South Dakota. I'm open to other suggestions. We have a two place 5th wheel trailer so BLstangin will most likely be going along too. Should be interesting.------------------
1982 Ford F100 2wd Shortbox. Powered by a 357 Cleveland w/ closed chamber 4v's and a Funnelweb. Full Roller c-6 trans with Gear Vendors Overdrive and 4.86 geared Detroit Locker equipped 9" rear. 1982 F100 351c 4v 1977 F150 460 Burnout Truck
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BLstangin
Gearhead Posts: 817
From: St. James, MN
Registered: Apr 2002
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posted 01-04-2005 04:48 PM
Yep, I'll probably end up there, Dustin keeps egging me on to go, he's not going to let me stay home, so I'll probably run to. Anyone want to take a guess at my times and horsepower? 306,
kb dome pistons
10.3:1 compression ratio
DOOE-C casting windsor heads ported,
hydro roller 230-232 @.050, .550 lift, 110 lsa.
weiand stealth intake
650 dp
flowtech headers 17/8 dual exhaust with glasspacks
4-speed
3.50 locker rear
street tires 295/50/r15 Plan to put a victor jr intake on it, 2.5" exhaust
3.89's in the rear
and maybe try out a 750 dp
Any guesses the way it sits and after I add the parts listed. Should have times this spring
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1970 coupe restored with the help of my dad. 306 with 650 dp holley, Weiand Stealth intake, headers, mme custom roller cam, harland sharp roller rockers, kb pistons, 10.3:1 compression ratio, pertonix ignitor 2 with matched coil, lakewood bellhousing, 4-speed toploader, and 3.50 9" locker rear.
1986 f-150, 5.0, factory towing package with original c-6 trans
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steve'66
Gearhead Posts: 9489
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 01-04-2005 05:01 PM
You should run low 13s at first.
I hope both you guys know that there are way too many variables for even a scientific wild assed guess.
Go run them and let us know.....  SteveW
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kid vishus
Gearhead Posts: 6405
From: middle of NC
Registered: Oct 2000
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posted 01-04-2005 07:17 PM
To the ground? My guess is 295-305. Your trans soaks up too much power, and there are a couple of things about your combo that are going to really hurt the power production.
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f100cleveland
Gearhead Posts: 363
From: St. James, MN
Registered: Sep 2004
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posted 01-04-2005 08:10 PM
KV, what parts dont you like about my combo? I'm just curious. ------------------
1982 Ford F100 2wd Shortbox. Powered by a 357 Cleveland w/ closed chamber 4v's and a Funnelweb. Full Roller c-6 trans with Gear Vendors Overdrive and 4.86 geared Detroit Locker equipped 9" rear. 1982 F100 351c 4v 1977 F150 460 Burnout Truck
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kid vishus
Gearhead Posts: 6405
From: middle of NC
Registered: Oct 2000
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posted 01-04-2005 08:41 PM
The headers are WAAAAY too small. My motor ran almost 2 tenths faster when I switched from 1 3/4" primaries with a 3" collector to 1 7/8" primaries with a 3 1/2" collector, AND they were still borderline too small for best power. Plus, I know Mark knows his stuff, but that 112 LSA is way too wide to make good power up in the rpm range. It should pull hard in the mid range, but it wont shine over 6500 like clevelands are known for. I'm also not a fan of annular discharge carbs. What little bit you gain down low from the better atomization is overshadowed by the loss of airflow at higher rpms (the boosters are too big to flow a lot of air around.)
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f100cleveland
Gearhead Posts: 363
From: St. James, MN
Registered: Sep 2004
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posted 01-05-2005 08:03 PM
KV, the headers I have are about the best I can have without spending LOTS of money. The 1 3/4" tubes should be better in the mid range department to get my heavy truck off the line. Mark said he was going to go with a 109 or 110 LSA, but then started doing more figuring on it and decided on the 112 due to the weight of my truck. He told my that the engine would work the best when shifted between 6800-7200 RPMs. So that isn't that much higher than the 6500 or so that you said it will go to. And the carburetor, doesn't it still flow 830cfm on the top? Well, they say a DP actually flows around 50cfm more than they are rated for. But that is what the NASCAR guys use, they seem to spin their engines A LOT higher than I spin mine. I'm not going against what you are saying or arguing with you. But there just comes a time when the extra money needed to make my truck run a couple or even a few tenths faster isn't worth it. The truck is still 99% street driven. But, would it be any advantage to installing 3" pipes off the collectors to the mufflers? I need to have those bends redone anyway and if so, I can have it done in 3". Thanks------------------
1982 Ford F100 2wd Shortbox. Powered by a 357 Cleveland w/ closed chamber 4v's and a Funnelweb. Full Roller c-6 trans with Gear Vendors Overdrive and 4.86 geared Detroit Locker equipped 9" rear. 1982 F100 351c 4v 1977 F150 460 Burnout Truck
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