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Discussion Starter #1
Hello, my Drag Car is a Mustang Mach 1 1973, My combo is a 545 cid
Features:
1.- Scat 900 steel crankshaft 4.5
2.- Scat H beam roads 6.7
3.- J&E flap top pistons-C/R 13.9 :1
4.- Edelbrock RPM CJ fully ported 75 cc combustion chambers
5.- Tunel Ram Weiand fully ported and matched with the heads
6.- Two Carburators (I am locking for it? size, tune and brand)
7.- C6 Tranny ( I am locking for Torque convertor, size and stall)
8.- Cam Comp Cams 272/280 @.0500 solid roller.

Is my first Drag Car Race and I would to know How much HP and TQ can I expect with this combo?
 

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A couple more questions:

Bore and stroke?

Header tube diam?
Mufflers [what type and size?] or open headers?

Weight of car?
Trans converter?
Rear?
Tires?

I will try to compute it with this info!
 

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Discussion Starter #5
SPECS

STROKE.- 4.5
BORE.- 4.39
COMPRESION RATIO.- 13.9:1
TRANSMISSION.- Powerglide with transbrake and 5000 stall
REAR.- Ford 9" with Spool and 4.3 gears
WEIGHT CAR.- 2850 lbs
SLICKS.- Goodyear 14x33x15 with Centerline Rims
HEADERS.- Open headers tube 2.25" with colectors 4"

THANKS
 

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Discussion Starter #6
TRANNY

Sorry, First I was thinking to run my car with a C6 transmission but actually I am looking for a Powerglide 2 speeds.
THANKS
 

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That's Fast! Prediction - post time slip when you get one

Mauricio,
Sometimes predictions like this one posted in advance can be valuable -
If you dyno the engine or when you race the car can you post results?

Anyway here is what I computed:
Torq 736 at 4900. wow.
Power 804 at 6400. :twisted:

Shifting at 6800 the computer car ran:
1.56
6.31 at 115.5
9.73 at 145.9 :twisted:

Using a 4500 stall made it .04 slower
Using 2-1/8 headers made it .03 slower and lost 14hp.
(That is pretty detailed though, not sure how much to trust small changes like that!)

See if the engine / car is anywhere close to these numbers.

Will you race it up in the USA ever? :)
 

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Discussion Starter #8
THANKS

Hello, Werbyford, I apreciate a lot your information, the HP and Torque numbers are very good, if I obtain 700 HP and 600 lb Torque I am going to be the happyer man of the world.
When I ride my car in the Dyno I´ll tell you the results, my proyect is almost finish, just looking for a powerglide and a pair of carbs for my tunel ram.
THANKS
 
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