Landracing Forum Home
November 22, 2017, 08:46:15 PM *
Welcome, Guest. Please login or register.
Did you miss your activation email?

Login with username, password and session length
News:
BACK TO LANDRACING.COM HOMEPAGE
 
   Home   Help Search Calendar Login Register  


(Note: Donations are not tax deductible)







Live Audio Streaming and Archives of Past Events
Next Live Event: TBD
Pages: 1 [2] 3   Go Down
  Print  
Author Topic: clutch and gearbox setups??  (Read 4673 times)
0 Members and 1 Guest are viewing this topic.
Sumner
Global Moderator
Hero Member
***
Offline Offline

Age: 73
Location: Blanding, Utah
Posts: 3963


Blanding, Ut..a small dot in the middle of nowhere


WWW
« Reply #15 on: November 09, 2016, 02:57:48 PM »

Joanie always came to me when Al ran. She wanted a ride to the 3.5 - 4.5 so she could hear the car run.

DW

I had two vehicles that I made every effort to watch them/hear them if they ran.



 Al and his streamliner ...

http://www.ugofadini.com/teaguestory.html

.... and ....



Carl and the Phoenix ....

http://www.ugofadini.com/phoenixstory.html

Sumner
Logged

Sumner
Global Moderator
Hero Member
***
Offline Offline

Age: 73
Location: Blanding, Utah
Posts: 3963


Blanding, Ut..a small dot in the middle of nowhere


WWW
« Reply #16 on: November 09, 2016, 03:07:46 PM »

On the transmission deal....I think you are well served if you use a transmission where you can change the gearing as needed.  We run a G-Force 101A in Hooley's Stude and I bought one for the lakester.  It is a 4 speed where you can change all the gear ratios other than the 1 to 1 4th.  3rd can be run as an overdrive.  4th then becomes the 1 to 1 3rd.  The overdrive can be a very small step vs. the larger step between the direct drive gear and overdrive that most of the street 5 and 6 speed transmissions have.  

Depending on the car and other things you might never need the low 1st that the T-56 has.  We use about a 1.90 first with the Stude and still can not use more than 50% throttle in first.

There are other transmissions similar to the G-Force.  Check them out.  For more on the G-force I have a page here....

http://1fatgmc.com/car/car-other-1/G-Force%20101%20Info-1.html

Sumner
« Last Edit: November 09, 2016, 03:10:02 PM by Sumner » Logged

kiwi belly tank
Hero Member
*****
Offline Offline

Age: 166
Location: Lava Hot Springs Idaho
Posts: 2244




Ignore
« Reply #17 on: November 09, 2016, 04:58:47 PM »

Joanie always came to me when Al ran. She wanted a ride to the 3.5 - 4.5 so she could hear the car run.

DW

I had two vehicles that I made every effort to watch them/hear them if they ran.



 Al and his streamliner ...

http://www.ugofadini.com/teaguestory.html

.... and ....



Carl and the Phoenix ....

http://www.ugofadini.com/phoenixstory.html

Sumner
Carl didn't make a lot of noise but you could see where he'd been! grin
  Sid.
Here's some Carl.
« Last Edit: November 09, 2016, 05:10:09 PM by kiwi belly tank » Logged
Sumner
Global Moderator
Hero Member
***
Offline Offline

Age: 73
Location: Blanding, Utah
Posts: 3963


Blanding, Ut..a small dot in the middle of nowhere


WWW
« Reply #18 on: November 09, 2016, 06:04:00 PM »


Sid, great video, thanks for posting it.

....Carl didn't make a lot of noise but you could see where he'd been! grin....


http://www.ugofadini.com/phoenixstory.html

Yep, that big trail of smoke and then the shift.....no smoke.......then smoke again.  

I also remember when he would blow one or the other front tire on almost every run and the truck would drop down on the skid next to the wheel.  If I remember right those were the runs up to about 225.  Then he found good tires,  I think airplane tires, and no more blow-outs that I remember on up to over 285.

An unbelievable person and vehicle.  Nothing like it on the salt now  cry,

Sumner
« Last Edit: November 09, 2016, 06:19:29 PM by Sumner » Logged

Glen
Global Moderator
Hero Member
***
Offline Offline

Age: 82
Location: South West Utah
Posts: 6927

SCTA/BNI timer 1983 to 2004, Retired,. Crew on Tur



« Reply #19 on: November 09, 2016, 06:24:48 PM »

I was so lucky to be the timer on these cars and many others.
Logged

Glen
Crew on Turbinator II

South West, Utah
Stan Back
Hero Member
*****
Offline Offline

Location: San Berdoo
Posts: 4762





Ignore
« Reply #20 on: November 09, 2016, 06:35:38 PM »

"Nothing like it on the salt now."

No, not really like it, Sumner.  But a 385 mph Triumph Spitfire (whatever) comes real close.  We missed you for a couple of years; maybe you weren't around for that.  I guess I could look it up (but I'm lazy), so I'll trust my faulty memory.  Qualifier at 385.  Back-up stalled out off the line at maybe the 1/2.  Sat out there and (I heard) reprogrammed it, started it, ran about 345 for a 365 record.

Faster than a Cobra.  Faster than a Firebird.  Faster than a Roadster.  Faster than a Triumph motorcycle for sure.  Doesn't get much recognition.

Stan 
Logged

Member of the San Berdoo Roadsters California's most-exclusive roadster club.
Celebrating 65th anniversary of racing on the salt.
kiwi belly tank
Hero Member
*****
Offline Offline

Age: 166
Location: Lava Hot Springs Idaho
Posts: 2244




Ignore
« Reply #21 on: November 09, 2016, 10:06:51 PM »

Since we've already hijacked this thread & everybody knows what to build their cage out of now, try this. grin
  Sid.
Logged
Stainless1
Administrator
Hero Member
***
Offline Offline

Age: 66
Location: Wichita KS
Posts: 6456


Robert W. P. "Stainless" Steele Wichita, Kansas



« Reply #22 on: November 09, 2016, 10:14:58 PM »

Nice hijack Sid.... but this thread is about Clutch and Gearbox, not cages.  Keith's video is a prime example of a car that needs more gear... especially if he wants to go 400  shocked
Nice shifting, and a lot of wheel spin... anyone know what tranny he runs....
That will put us back on track  rolleyes  cheers
Logged

Stainless
Red Hat 228.039, 2001, 65ci, MSA Bockscar Lakester with a little N20 
MSA Bockscar Lakester #1000 my fastest mile 245 and change, 84 ci turbobusa motor... but Corey's 233 MPH H/BFL record is still 3MPH faster than mine.
kiwi belly tank
Hero Member
*****
Offline Offline

Age: 166
Location: Lava Hot Springs Idaho
Posts: 2244




Ignore
« Reply #23 on: November 10, 2016, 12:40:37 AM »

Woops! I knew we were discussing something. grin afro
  Sid.
Logged
Jack Gifford
Hero Member
*****
Offline Offline

Age: 77
Location: Phelps, NY
Posts: 1050





Ignore
« Reply #24 on: November 10, 2016, 12:52:59 AM »

I'm a newby to LSR, have not finished nor run my lakester yet, so it's subject to change. The clutch is an 8" 3-disc CrowerGlide full centrifugal that I'll set for full lockup between 4,000 and 4,500 RPM. Behind it is a Jerico 4-speed box using just 4th gear as an in/out box, and to cater to the QC behind it. I designed the inline QC (coaxial in/out, 2 gearsets) to allow gear changes without drain/refill of the lube. The front gearset is the "change" set- by sliding the input shaft ahead (in a splined coupler within the in/out box), sliding the countershaft back, and lifting the gearset out. (Total time of 7 minutes to be back on the track- worked well for a dozen seasons of mini-pulling). QC output direct to rearend via a Greek coupler at the pinion shaft.
« Last Edit: November 10, 2016, 12:57:27 AM by Jack Gifford » Logged

M/T Pontiac hemi guru
4-barrel Mike
Hero Member
*****
Offline Offline

Age: 69
Location: Portland, OR
Posts: 2784


Any fool can drive a V8




Ignore
« Reply #25 on: November 10, 2016, 01:09:58 AM »

Your quickchange, Jack, deserves a thread of its own.   cheers

With many pictures.   cool

Mike
Logged

Mike Kelly - PROUD owner of the V4F that powered the #1931 VGC to a 82.803 mph record in 2008!
floydjer
Hero Member
*****
Offline Offline

Age: 60
Location: grand rapids, michigan
Posts: 2238


"There is no duck side of the moon..."




Ignore
« Reply #26 on: November 10, 2016, 08:25:21 AM »

+1  how about some pics Jack???
Logged

I`d never advocate drugs,alcohol,violence or insanity to anyone...But they work for me.
kiwi belly tank
Hero Member
*****
Offline Offline

Age: 166
Location: Lava Hot Springs Idaho
Posts: 2244




Ignore
« Reply #27 on: November 10, 2016, 12:09:48 PM »

My setup is pretty simple with a Billet TH400 & no converter but there's a bunch of junk after that to put it all the ground. A modified 4L80E adaptor to a rotated NP205 t-case & a planetary directdrive/overdrive unit at the rear diff. Front drive goes to a home built billet t-case with two 8" gears from a trackhoe pump drive to change the rotation through the other directdrive /overdrive at the front diff that is upside down facing backwards with a calculated final drive of .961.
In a single axle drive needing an overdrive I would use a 4L80E without the ECM, three micro switches & a ratchet shifter & you have a full manual. In stock form they survive on Duramax engines. Don't step up to an overdrive until you've arrived at the highest axle ratio you can get, overdriving to a lower axle ratio will cost you HP.
  Sid.
Logged
Rex Schimmer
Hero Member
*****
Offline Offline

Age: 74
Location: Fulton, CA
Posts: 2121


Only time and money prevent completion!




Ignore
« Reply #28 on: November 10, 2016, 01:27:19 PM »

I think that Copeland is running an 8 speed Weisman tranny. They made it special for him.

Rex
Logged

Rex

Not much matters and the rest doesn't matter at all.
Sumner
Global Moderator
Hero Member
***
Offline Offline

Age: 73
Location: Blanding, Utah
Posts: 3963


Blanding, Ut..a small dot in the middle of nowhere


WWW
« Reply #29 on: November 10, 2016, 03:13:30 PM »

I think that Copeland is running an 8 speed Weisman tranny. They made it special for him.

Rex

Is that now vs. when the video was shot?

Here is my take after watching the video and probably not correct.  The car obviously has tremendous HP.  The video shows 1st, 2nd, 3rd and 4th gears.  It looks like 1st through 3rd were basically useless.  It would be interesting to know the transmission ratios and rearend ratios.


If the mph and tach data shown were correct here is what I saw.

1.  The car was off the push vehicle about 5 sec. into the run and immediately experienced wheel spin with any throttle in 1st gear.

2.  The 1-2 shift was at about 60 mph and rpm dropped to about 3300 after the 1-2 shift.  Car was in 1st about 5 seconds before shift to 2nd.  Second gear also seemed to experience severe wheel spin with any amount of throttle so the shift to 3rd was made about 7 seconds after getting into 3rd gear.

3.  After the 2-3 shift rpm dropped to about 4000 with a car speed of about 110 mph. In third the same, wheel spin with any major throttle, so the car was shifted into 4th after about 8 seconds in third.

4.  After the 3-4 shift the rpm dropped to a little under 4000 with the car running about 160.

5.  The car then ran in 4th from 160 up to the top speed of 380 where the car was on the rev limiter.  There wasn't much wheel spin in evidence while in 4th but no idea of the throttle position during this part of the run or the other gears.  I'd guess they would also have a throttle position sensor and were data logging that.

If you have a lot of HP, like the car above, and the lower gears are very low you probably won't be spending much time in them.  Their total time from the time the push vehicle started moving them until the shift into 4th at 160 was made was 25 seconds.  I wonder if a higher 3rd along with a higher 4th would help the car.  Maybe if they have a new transmission this has been addressed.

We found that with about 800+ HP with Hooley's car with the old engine we could never run WOT in 1st or 2nd and 1st was a high 1.93 with a 2.47 rear with about a 135 mph potential in 1st.  Never got there also short shifted.  We could run 3rd wide open and were in it for a long time before shifting into the overdrive 4th that was only 7% overdrive (.93)

One thing for sure is that their modified sports is one of the most impressive cars running right now  cheers,

Sumner




« Last Edit: November 10, 2016, 03:16:12 PM by Sumner » Logged

Pages: 1 [2] 3   Go Up
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.21 | SMF © 2015, Simple Machines
Simple Audio Video Embedder
Valid XHTML 1.0! Valid CSS!


Google visited last this page September 08, 2017, 08:42:25 AM