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  Anyone dyno a 351c with a cam similar to mine?

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Author Topic:   Anyone dyno a 351c with a cam similar to mine?
70coupe
Gearhead

Posts: 483
From: Toronto,Ontario,Canada
Registered: Aug 2000

posted 05-11-2003 10:33 PM     Click Here to See the Profile for 70coupe     Edit/Delete Message   Reply w/Quote
I have a Crane solid cam .570/.590 @.050 with 246/256 duration @.050. It has a 108 lobe centre. I have closed chamber heads with TRW flat tops. I want to know where my peak torque area is? I will get to a dyno someday! I'm guessing somewhere around 4800-5200rpm.
Thanks,
Brian

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scottford351
Journeyman

Posts: 96
From: reedsville ohio usa
Registered: May 2003

posted 05-12-2003 12:10 AM     Click Here to See the Profile for scottford351   Click Here to Email scottford351     Edit/Delete Message   Reply w/Quote
On the net there is a parker funnel web site they used this cam to do the test dynos, I dont remember the name of the sit but it was just about the funnel web. hope this helps. fire up that search engine.

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70coupe
Gearhead

Posts: 483
From: Toronto,Ontario,Canada
Registered: Aug 2000

posted 05-12-2003 12:41 AM     Click Here to See the Profile for 70coupe     Edit/Delete Message   Reply w/Quote
I found the funnel web test. The cam is very close to what I have.
Thanks,
Brian

------------------
351c 4v clsd heads
60'1.619
1/8 [email protected]
1/4 [email protected]

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Daniel Jones
Gearhead

Posts: 873
From: St. Louis, MO
Registered: Aug 99

posted 05-12-2003 11:00 AM     Click Here to See the Profile for Daniel Jones   Click Here to Email Daniel Jones     Edit/Delete Message   Reply w/Quote
The Brooklands 351C book of old Hot Rod magazine articles has a dyno test
of 351C with that Crane cam. The engine was built by Chris Kaufman for a
Pantera and was tested with a Holley Strip Dominator with a 4 barrel and a
Weber independent runner EFI with 48 IDA's. When I was living in California,
one of the local Pantera club guys had a 351C with Webers and the same Crane
cam. The independent runner intake really tamed that cam. It was quite
streetable. 48 IDA's are on the small side for a 351C but the Webers still
pulled better HP than the Holley that was tested. With today's race carbs,
I'd bet a single 4 barrel would do as well or better on peak HP but won't
pull nearly as well in the low and mid-range.

Here are the details from the Hot Rod article from my 351C database:

Carbs
Holley Model 4781 850 CFM Dominator (old style with manual choke)
or Model 8162 with four point idle and no choke
48 IDA Weber 45 mm chokes, modified lower rpm and accel circuits
Intake
Holley Strip Dominator
Hall Pantera Weber manifold
Heads
63.4 cc
stainless steel valves with 45 degree backcut
3/8" studs and guide plates
bronze valve guides
Motorsport valve covers
Cam and Valvetrain
Crane F-246 solid flat tappet 246/256 degrees duration @0.050" lift
0.570"/0.590" lift
Crane triple valve springs - 125 lbs closed
Crane steel retainers
B&M/Milodon gear drive
Block and Reciprocating Assembly
hot tanked acid stripped magnafluxed
FPP screw in plugs
torque plates
TRW forged flat tops 10.5:1 and wrist pins, ceramic pins Spirolox pressed pin
FPP 427 capscrews
TRW bearings
TRW moly rings
Durabond cam bearings
Moroso oil restrictor kit
Mcleod flywheel
Mr gasket gaskets
Moroso pan, p/u
FPP pump and drive
FPP main stud kit
FPP pushrods 3/8x8.560
stock crank
Oiling System
FPP 8.560 0.040 oil restrictor pushrods
Exhaust
Fueling/Cyclone A-R's 1 3/4"
Cooling
Weiand aluminum pump
Ignition
Accel II with Allison XR-700 kit
12 degrees by 2800 rpm curve start 950 rpm 24 degrees at crank for 30-40
total
Alison coil
Allison wires
Autolite spark plugs AF22 AF32
Misc
fuel pump block of plate
stock damper
Comments
head mods worth 5 cfm
with Webers made 441HP and 421 ft-lbs tq 5500 rpm max dyno headers
with street headers made 427HP and 408 ft-lbs
with Holley 850 CFM and dyno headers made 426 HP

Dan Jones

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denny
Journeyman

Posts: 80
From: Northfield NH USA
Registered: Jul 2000

posted 05-12-2003 11:45 AM     Click Here to See the Profile for denny   Click Here to Email denny     Edit/Delete Message   Reply w/Quote
I have a comp cam 246 256 @50 571/ 605 lift Ross flat tops closed heads peak torque was [email protected] hp was [email protected]

------------------
D French
67 427 Fairlane(A/SA) 73 Mustang 351c

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