<VV> Drag Race

[BBRT]

Can you say bigger cooler? Still going to get really hot and really quick as 
Jim says.

Chuck S
----- Original Message ----- 
From: "James Davis" <jld at wk.net>


>  A 164 cuin Corvair puts out 35 hp @1,600 rpm, the approximate stall
> rpm of the torque convertor.  One hp is 9.3 btu per second.  So, 325
> btu per second.  Transmission fluid has a coefficient of heat of
> 0.5.  Figuring six quarts of fluid at 1.7 lbs per quart gives about
> 65 degrees F per second for the Corvair.   In other words the
> transmission gets really hot really quick when the brakes are locked
> and the gas pedal floored.
> Jim Davis
>

>
> At 11:35 AM 4/21/2008, tony.underwood at cox.net wrote:
>
>>---- "David B. Neale" <david.neale3 at ntlworld.com> wrote:
>> > "Funny how people forget that GM TESTED the Vair PG by WOT / drop in
>> > gear 100 times....
>> >
>> > Funny how no one reads the small print in descriptions of Billy Bruce's
>> > LAUNCH technique:
>> >
>> > He has a Line Loc on the Front brakes... he spools the turbo up to
>> > approx. 6 psi boost...and only has Kelvar Clutch material as a mod..."
>> >

>>    David makes a good point here.   Dropping a PG into gear even at
>> WOT isn't as rough on it as holding it with brakes while you
>> firewall the throttle via "linelock" and just sit there letting it cook.
>>
>>I know it's a bit off-tangent, but some of the more muscular SS
>>dragrace cars with larger engines and automatics torked up at the
>>lights will experience radical temperature increases in very short
>>order, such as comments about how a "linelocked" Chrysler
>>Torqueflite behind a SS 426 Hemi engine will endure a 200 degree
>>temp increase in about 5 seconds.   That's in a transmission with a
>>BIG pan and a serious external cooler.
>>
>>An old dragrace  buddy whose current car (glass body Daytona running
>>a B-1 440 on alky and a Powerglide) says he can sit there at the
>>lights in gear and tached up waiting on the green to drop and watch
>>the transmission temp gauge climb during the few seconds he waits
>>for the tree.
>>