Notices
Suspension, Brakes, Drivetrain discuss the wondrous effects of boost and your miata...
Sponsored by:
Sponsored by: 949 Racing

4 Spd Jerico w/ '99 Motor

Old Oct 12, 2013 | 06:38 PM
  #41  
Raucky's Avatar
Thread Starter
Junior Member
iTrader: (1)
 
Joined: Sep 2013
Posts: 96
Total Cats: 1
Default

It just keeps all the angles in check
Old Nov 4, 2013 | 11:40 AM
  #42  
Raucky's Avatar
Thread Starter
Junior Member
iTrader: (1)
 
Joined: Sep 2013
Posts: 96
Total Cats: 1
Default

Well, I know it's been a while, but I figured I would share some pictures with you guys. I'm still waiting on some parts for the install. I almost feel bad putting the tranny under the car where no one will see it, because it looks really nice on my shop floor. I'm just hoping after the install, it' won't have anymore time on my shop floor!
Attached Thumbnails 4 Spd Jerico w/ '99 Motor-jerico.jpg   4 Spd Jerico w/ '99 Motor-jerico.2.jpg   4 Spd Jerico w/ '99 Motor-jerico.3.jpg  
Old Nov 4, 2013 | 11:50 AM
  #43  
TurboTim's Avatar
Elite Member
iTrader: (9)
 
Joined: Jun 2006
Posts: 7,035
Total Cats: 425
From: Chesterfield, NJ
Default

sick. Keep posting pictures. Please.

What ratios did you go with?
Old Nov 4, 2013 | 11:54 AM
  #44  
Leafy's Avatar
Elite Member
iTrader: (1)
 
Joined: Jun 2012
Posts: 9,491
Total Cats: 105
From: NH
Default

Damn those things are pretty. It looks so tiny and you would think it would only weigh about 50 pounds. But those gears are heavy duty.
Old Nov 4, 2013 | 12:21 PM
  #45  
sixshooter's Avatar
Moderator
iTrader: (12)
 
Joined: Nov 2008
Posts: 22,204
Total Cats: 3,560
From: Tampa, Florida
Default

I bet it is strong and light. A buddy of mine is running a Jerico competitor with a fairly tall rear gear and a tall first gear. He coasts through the pits pretty quickly at idle and uses a winch to load the car on the trailer, but first gear is a very usable gear on the track for him (turn 7 at Road Atlanta) and he can still reach 160+ in top gear regularly on the back straight. It's a SBC engine though.
Old Nov 4, 2013 | 02:20 PM
  #46  
Raucky's Avatar
Thread Starter
Junior Member
iTrader: (1)
 
Joined: Sep 2013
Posts: 96
Total Cats: 1
Default

Well my gear ratios are really strange and prob useless for you since it's an autocross only car.

I'll work on posting pics as the progress continues.
Old Nov 4, 2013 | 02:23 PM
  #47  
Leafy's Avatar
Elite Member
iTrader: (1)
 
Joined: Jun 2012
Posts: 9,491
Total Cats: 105
From: NH
Default

Originally Posted by Raucky
Well my gear ratios are really strange and prob useless for you since it's an autocross only car.

I'll work on posting pics as the progress continues.
No it is pretty applicable. Andrew seems adamant that it wont work for the track snobs so this is pretty much an auto-x only tranny choice on this site. The 3.63 rear gear would make 4th almost like a 1.6's 5th, and you can work back from there on the ratios. And run the car in 2nd at auto-x.
Old Nov 4, 2013 | 03:33 PM
  #48  
TurboTim's Avatar
Elite Member
iTrader: (9)
 
Joined: Jun 2006
Posts: 7,035
Total Cats: 425
From: Chesterfield, NJ
Default

Yeah, the track snobs can either change their diff to run around the 1:1 4th gear. or run ALLOFIT with a gearvendors overdrive. Cause if you're spending a few grand, why not spend a few grand more. 8 gears should make them happy. There's an incredible amount of ratios looking at Jerico's 4speed gear ratio chart.
Old Nov 4, 2013 | 03:38 PM
  #49  
Leafy's Avatar
Elite Member
iTrader: (1)
 
Joined: Jun 2012
Posts: 9,491
Total Cats: 105
From: NH
Default

Originally Posted by TurboTim
Yeah, the track snobs can either change their diff to run around the 1:1 4th gear. or run ALLOFIT with a gearvendors overdrive. Cause if you're spending a few grand, why not spend a few grand more. 8 gears should make them happy. There's an incredible amount of ratios looking at Jerico's 4speed gear ratio chart.
Another option would be to run a 7.7:1 rear gear (speedway quick change) and make 4th (1:1) as the first gear and install the rest of the gears on the opposite shaft as intended. You could re-jigger that shift linkage to even make the gears in the right spots.

The overdrive is interesting. Is it also side shifted so possible to build an insane shifter that automatically shifts it as you move and moves back to 1st gear. (yay for complex as **** linkages).
Old Nov 4, 2013 | 05:03 PM
  #50  
Raucky's Avatar
Thread Starter
Junior Member
iTrader: (1)
 
Joined: Sep 2013
Posts: 96
Total Cats: 1
Default

umm... yeah my gearing isn't convential lol. There is a HUGE rpm drop from 3rd to 4th in my box.

You can make this box work on the track of course, but a five speed would be better for the track.
Old Nov 5, 2013 | 09:48 AM
  #51  
Leafy's Avatar
Elite Member
iTrader: (1)
 
Joined: Jun 2012
Posts: 9,491
Total Cats: 105
From: NH
Default

Originally Posted by TurboTim
Yeah, the track snobs can either change their diff to run around the 1:1 4th gear. or run ALLOFIT with a gearvendors overdrive. Cause if you're spending a few grand, why not spend a few grand more. 8 gears should make them happy. There's an incredible amount of ratios looking at Jerico's 4speed gear ratio chart.
Hey I actually looked at these overdrives. Its a planetary gear set so I'm assuming that shifting into it you're just applying a brake to the planetary gear or releasing the brake. Which would be why no lift and no clutch is required. And yeah it give you a gear between every gear. Not sure if the road course guys are going to have to remember to pull a lever/push a button to get another gear though. Also not sure how heavy they are.
Old Nov 10, 2013 | 12:20 PM
  #52  
shlammed's Avatar
Elite Member
iTrader: (8)
 
Joined: Dec 2008
Posts: 2,910
Total Cats: 51
From: Kingston, Ontario
Default

Any more info on this Raucky
Old Nov 11, 2013 | 06:53 PM
  #53  
Raucky's Avatar
Thread Starter
Junior Member
iTrader: (1)
 
Joined: Sep 2013
Posts: 96
Total Cats: 1
Default

Nope not yet....I'm stilll waiting on some parts to be made, but I'm hoping to have everything in a wk or two.
Old Apr 29, 2014 | 02:38 PM
  #54  
shlammed's Avatar
Elite Member
iTrader: (8)
 
Joined: Dec 2008
Posts: 2,910
Total Cats: 51
From: Kingston, Ontario
Default

You get that thing in there yet or what
Old Oct 16, 2014 | 09:33 AM
  #55  
Raucky's Avatar
Thread Starter
Junior Member
iTrader: (1)
 
Joined: Sep 2013
Posts: 96
Total Cats: 1
Default

Ok so after an extremely long pause on building my car. I've got the ball rolling again and here are some pictures guys.
Attached Thumbnails 4 Spd Jerico w/ '99 Motor-img_1968.jpg   4 Spd Jerico w/ '99 Motor-img_1967.jpg   4 Spd Jerico w/ '99 Motor-img_1966.jpg  
Old Oct 16, 2014 | 09:36 AM
  #56  
Leafy's Avatar
Elite Member
iTrader: (1)
 
Joined: Jun 2012
Posts: 9,491
Total Cats: 105
From: NH
Default

Damn this is the first time I've seen actual pictures of this bell housing. They aint ******* around with making it explosion proof. That plate that replaces the "gasket" is thick as ****.
Old Oct 16, 2014 | 10:18 AM
  #57  
sixshooter's Avatar
Moderator
iTrader: (12)
 
Joined: Nov 2008
Posts: 22,204
Total Cats: 3,560
From: Tampa, Florida
Default

Sexxxyyy! If I end up with all of the horsepower one day and nobody has come up with a good five speed solution then I may be following you right down this path.
Old Oct 16, 2014 | 11:22 AM
  #58  
EO2K's Avatar
Elite Member
iTrader: (37)
 
Joined: Apr 2010
Posts: 10,477
Total Cats: 1,924
From: Very NorCal
Default

Christ almighty, what does that thing weigh? Just the bellhousing itself
Old Oct 16, 2014 | 11:59 AM
  #59  
TurboTim's Avatar
Elite Member
iTrader: (9)
 
Joined: Jun 2006
Posts: 7,035
Total Cats: 425
From: Chesterfield, NJ
Default

godddamnnn on that bellhousing, ****. Very nice.
Old Oct 16, 2014 | 12:12 PM
  #60  
Raucky's Avatar
Thread Starter
Junior Member
iTrader: (1)
 
Joined: Sep 2013
Posts: 96
Total Cats: 1
Default

Yeah I don't think I'll have to worry about it breaking huh?

The weight of the stock 5spd compared to the "complete" Jerico/Bell Housing is basically the same.

Thread Tools
Search this Thread

All times are GMT -4. The time now is 08:24 AM.