land-speed
[Top] [All Lists]

Re: 4 speeds & other transmissions

To: <saltracer@awwwsome.com>
Subject: Re: 4 speeds & other transmissions
From: "John Beckett" <landspeedracer@email.msn.com>
Date: Thu, 2 Dec 1999 13:33:19 -0500
Two of my three T-400 trans problems were for the same reason. And Lionel
ate one that way this year too. If anybody is running an automatic keep your
engine running untill your stoped. Engine not running...no fluid pump...no
lubrication...and bang no racing.

John
-----Original Message-----
From: Thomas E. Bryant <saltracer@awwwsome.com>
To: John Beckett <landspeedracer@email.msn.com>
Cc: David Haller <dhaller@techline.com>; land-speed@autox.team.net
<land-speed@autox.team.net>
Date: Thursday, December 02, 1999 1:01 PM
Subject: Re: 4 speeds & other transmissions


>You are getting my attention! I guess I'll have to try a manual trans
>sometime to see for myself. We also ate up several Powerglides and a
>couple of 700R-4's before we found out that the destruction came on
>coasting down not under power. I installed a pump system to give oil
>circulation while pushing and shutting down and have been hauling a
>spare around for three years now without needing it. I won't leave it
>home, though.
>
>Tom, Redding CA 10AM PST
>
>John Beckett wrote:
>>
>>     Group
>>
>>     Here's a little story. The first two years I ran at Bonneville,
running
>> on Tom Bryant's record then, I had a T-400 in the car and we ran
consistent
>> 201's.  Also eat up three of those indestructible transmissions in the
>> process. So the third year we put in a 3-speed from a junkyard
>> Maverick...had to try something...lots of junkyard parts in my car...no
high
>> dollar stuff here. Anyway rolled off the trailer in '92 and ran 212 MPH.
Now
>> how much HP is 11 MPH worth at that speed? I calculate it to be over 50
>> HP...lost through the automatic. It was a big success for us as we
actually
>> set a record that year. But to finish the story...took it to Moultrie
later
>> that year and blew second gear on the concrete. Put in another
trans...junk
>> yard again...and promptly blew second at Maxton this time. A little
>> difference in traction from salt to concrete...ya think. The only option
>> left was to go for a beefy 4-speed...and there ain't none to be found in
the
>> junkyards this time. Did find this Top Loader rebuilt but still cheep
>> enough...and have been using it ever since. It was several years before I
>> but the "D" motor back in the car to use with the 4-speed...but when I
did
>> it ran a best of 219 MPH...because it accelerated better due to less RPM
>> drop between gear shifts.
>>
>>     So back to your question Dave. First off use a push start. Second
keep
>> the ratios as close as possible. I've never been able to hook up a low
first
>> gear at Bonneville anyway...always wind up short shifting to keep it
>> straight. I currently have ratios of 2.32, 1.69, 1.21, 1.0 and this first
>> gear is still to low. When you can't put all your power through all your
>> gears your not accelerating as fast as possible anyway, which will
>> ultimately effect the top speed. Remember were talking 1 to 5 MPH here.
The
>> other thing is to keep the torque multiplication going on a long as
possible
>> with low RPM drops between shifts.
>>
>>     I have been running the Ford Top Loader with no ratio options. A
racing
>> T-10 has a few options the best being a 2.43, 1.46, 1.18, 1:1 and a 2.42,
>> 1.34, 1.13, 1:1 but both being very hard to find, but not impossible.
>>
>>     Now the Tex Racing T-101 on the other hand has a huge variety of
ratios.
>> Combinations you wouldn't believe, from a 1.43 first to a .86 OD gear if
you
>> want. This trans has a new 3.5" centerline that helps make it tons
stronger
>> than even the Jerico...which I understand Kugal broke in '98. And with a
new
>> gear tooth profile and low inertia eats very little HP. Guess what I'm
>> putting in my car for 2000? If anyone is interested in one of these
T-101's
>> contact me off list.
>>
>>     Keep in mind as Ed VanScoy mentioned the 5 and 6-speed's generally
>> aren't rated for the HP many of us run on the Salt and especially at
Maxton
>> where the traction puts more load on the driveline.
>>
>>     Last but not least, If you don't use reverse take it out.
>>
>>     One passing thought. For all the money I spent on the three T-400's
and
>> the two 3-speeds, plus spares, I could have bought a new 4-speed and been
>> way ahead of the game. Low tech doesn't necessarily mean low dollar in
the
>> long run.
>>
>>     John Beckett
>>     Still have two Bonneville records left.
>>
>> -----Original Message-----
>> From: David Haller <dhaller@techline.com>
>> To: John Beckett <landspeedracer@email.msn.com>; Dick Jurkowski
>> <lsr_man@yahoo.com>; Nsmcafee@aol.com <Nsmcafee@aol.com>;
>> land-speed@autox.team.net <land-speed@autox.team.net>
>> Date: Wednesday, December 01, 1999 8:52 PM
>> Subject: Re: 4 speed
>>
>> >Hey John,
>> >How about sharing some ideas on four speeds and the best gearing for
them
>> to
>> >run at the salt. I run one but need some education on better gear
>> >combinations to max my little hot rod,
>> >thanks,
>> >Dave Haller #93 C/GALT
>> >----- Original Message -----
>> >From: John Beckett <landspeedracer@email.msn.com>
>> >To: Dick Jurkowski <lsr_man@yahoo.com>; <Nsmcafee@aol.com>;
>> ><land-speed@autox.team.net>
>> >Sent: Wednesday, December 01, 1999 10:11 AM
>> >Subject: Re: 4 speed
>> >
>> >
>> >> OK Dick,
>> >>
>> >> Now that you've asked. I've set records with 2-speeds, 3-speeds and
>> >> 4-speeds. There are lots of factors that effect your transmission
choice.
>> >> Length of course, engine HP and internal HP loss. As an example a
2-speed
>> >> isn't a great choice for a one mile run at Maxton but works
sufficiently
>> >> well on the five miles of Bonneville. Believe it or not LSR is just a
>> long
>> >> drag race. Having the right number of gears and gear ratios is
important
>> >for
>> >> exceleration...and exceleration does have some effect on top end
>> >> speeds...not huge but probably in the 1 to 5 MPH range.
>> >>
>> >> Having said all that, it's my belief that you can also overdo it too.
>> >Don't
>> >> forget it takes HP to run the trans...automatics are horrible...but
>> >> overdrives are less than ideal (some worse than other) also. Keith
wants
>> >to
>> >> run a Richmond 6-speed in his Camaro this year. Well I'll bet him a
>> buffet
>> >> dinner at the Stateline that he goes as fast or faster, at Bonneville,
>> >with
>> >> a properly geared 4-speed as he can with the six speeder. I'm getting
>> >hungry
>> >> just thinking about it.
>> >>
>> >> I'm also working on a super close ratio 4-speed for the Chevette in
2000.
>> >>
>> >> John Beckett
>> >>
>> >> -----Original Message-----
>> >> From: Dick Jurkowski <lsr_man@yahoo.com>
>> >> To: John Beckett <landspeedracer@email.msn.com>; Nsmcafee@aol.com
>> >> <Nsmcafee@aol.com>; land-speed@autox.team.net
<land-speed@autox.team.net>
>> >> Date: Wednesday, December 01, 1999 11:42 AM
>> >> Subject: Re: 4 speed
>> >>
>> >>
>> >> >Say John, speaking of four speeds -Why?  Aren't
>> >> >you fully wound out long before you reach the
>> >> >clocks?  I just ran across a 3spd overdrive for a
>> >> >flathead.  Is that something I should consider?
>> >> >
>> >> >
>> >> >--- John Beckett <landspeedracer@email.msn.com>
>> >> >wrote:
>> >> >>  Add a 4-speed and a Quickchange and you can
>> >> >> run any of the four LSR
>> >> >
>> >> >
>> >> >=====
>> >> >Dick J in East Texas
>> >> > - - ECTA #72 - -
>> >> > G/FCC  -   FX/STR
>> >> >Thousands of Stores.  Millions of Products.  All in one place.
>> >> >Yahoo! Shopping: http://shopping.yahoo.com
>> >>
>> >>
>> >>
>> >>
>> >>
>> >




<Prev in Thread] Current Thread [Next in Thread>