Thanx, Tom, but being a confuser-miso-phobe, I'm gonna stand-off on
plugging in any data to that program;
that way any results therefrom can be referenced to someone ELSE (makes
sense, huh?).
Neil
Tom Stroup wrote:
Go Neil !
In case you want some numbers to try in the software for a practice
case...
If I remember anywhere near correctly, my old 1969 Road Runner was
full interior
car with 4 speed, and 4.56:1 gears to run 12.2 at Quaker City
Dragstrip in Ohio.
With 3.90 gears it ran 12.6's all day. There is a gear change
comparison for you.
Altitude probably around 1200 feet. The car had a 383 with stock
pistons, mildly
worked stock casting heads, a Crower Monarch cam, lifter, and valve
spring kit. It
had Hooker Competition headers, open for that run, an Edelbrock aluminum
intake with a 1050 cfm Holley, and an aluminum flywheel with a
Rev-Lock clutch
and pressure plate designed for an aluminum flywheel. The distributor
was tweaked.
It used a Holley electric fuel pump feeding to the stock fuel pump.
The car had 9" slicks on it at that time. I "recall" it was a little
over 400 horsepower.
I wanted to lighten the car, but my partner didn't. Removing around
100 pounds
was probably possible, and would have reduced ET by around a tenth. We
were
carrying the stock exhaust, mufflers and all, even though uncorked.
The interior was
also stock, with rear seat in place. It was to appear as stock as
possible.
This car was never beaten by any Ford. We raced a Boss 429 Mustang twice.
A 442 was trailered in from Akron and we blew it away.
We were only beaten by a big block 69 Chevelle running two-fours, a
big block
Camaro (factory race-car), and a small block 1956 Chevy that rev'd
like a monster.
We used the 383 and not a 440 because of our ability to rev high and
quickly.
But.
Today, it is another ball game. I attended the Hot Rod Magazine drags
as a crew
person for my buddy's 528 Hemi 1969 Barracuda. Three years ago, he
finished tenth.
This year, a bad run (it got squirrely and almost hit the wall)
stopped us from qualifying,
after the tech inspection ruled we had to find new, smaller, slicks.
We could get little grip.
Our car, and the others, street cars, are now running in the 9's !!!
How ? Blowers and / or nitrous are usually found on these babies.
Race transmissions. Cages and Sub-frames for rigidity. No where near
stock set-ups.
The 528 Hemi in the Barracuda is putting out over 800 horsepower with
a little spray.
Tom S
southern Ohio
------------------------------------------------------------------------
*From:* Forward Look Mopar Discussion List on behalf of eastern sierra
Adj Services
*Sent:* Thu 11/8/2007 1:27 AM
*To:* L-FORWARDLOOK@xxxxxxxxxxxxx
*Subject:* [FWDLK] The Testies......
Well, so far we've had:
stories and claims & counter-claims
a 15.45 C Gas (modified) quarter mile time-
posting, for a 1956 D500-1 drag race car
1956 & 1957 Speed Week trials results, for the Flying Mile, and Standing
Mile (on hard beach sand)
magazine road tests of similar, but less powerful cars (1956 & 1957)
a computer program for scientific-wild-ass- guessing 1/4 mile times
(dependent upon variable (un-)scientific and/or (in-)accurate inputs )
G Force scientific performance recording system ( very accurate, but
reflecting a car's modifications from OEM, or, from car-to-car)
In regards to the above computer progarm for estimating 1/4 mile time,
a primary criteria for any scientific study is for the case results to
be repeatable, or for additional test results to be predictable.
<snip>
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