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 JB3 gearbox codes?
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Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Tue May 18, 2004 3:55 pm

anyone know which code is for which gearbox, phase 1, 2, 3 etc?

Ie JB3S23, JB3S24 etc
Chet T16
Retroholic

Joined: 12 Feb 2004
Posts: 5685

Posted: Tue May 18, 2004 4:16 pm

loads and loads of different ones

My ph2 was a JB3083
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Tue May 18, 2004 4:54 pm

where might i find this information?
Chet T16
Retroholic

Joined: 12 Feb 2004
Posts: 5685

Posted: Wed May 19, 2004 1:59 am

go thru dialogys and see which ones it'll let you pick
denis.dup
Level 1 User

Joined: 16 May 2004
Posts: 32

Posted: Wed May 19, 2004 9:33 am

I know 2 type JB3 049 ==> CLIO 16S PH1
JB3 051 ==> R19 16S Ph2 (1995year) my car lol

I can give u gear info (uuppsss.... i don't know how to say in english... Embarassed ) "rapport de boite et couple" in french Rolling Eyes
Ben P
Level 5 User

Joined: 04 May 2004
Posts: 107

Posted: Thu May 20, 2004 2:07 am

Do you mean gear ratios?

Are the ratios different between the phase1 and phase2 19 16valve?
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Thu May 20, 2004 4:02 am

yes they are, well they are supposed to be but I doubt it really.

the ph2's have shorter gearing, this is to allow them to gain back some acceleration to match the ph1's but they don't manage it.
JB
Mr Quoter-vator

Joined: 16 Feb 2004
Posts: 7405

Posted: Thu May 20, 2004 5:03 am

i get 65 in 2nd....sounds quite long isnt it?
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Thu May 20, 2004 5:28 am

ph2 actual is only 61 in 2nd, I think you get 68 in a ph1, cannae mind.
Ben P
Level 5 User

Joined: 04 May 2004
Posts: 107

Posted: Thu May 20, 2004 5:56 am

Gear ratios confuse me.

Chris - Tech article per chance?

I want to understand all about gearboxes and how they work.
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Thu May 20, 2004 6:00 am

ok another one for the evergrowing list then....
denis.dup
Level 1 User

Joined: 16 May 2004
Posts: 32

Posted: Thu May 20, 2004 2:30 pm

Ben P wrote:
Do you mean gear ratios?

Are the ratios different between the phase1 and phase2 19 16valve?


Yes i'm talking abour gear ration !

Ph1 gear have different ratio to ph2 (humm not very english lol sorry)
:

JB3 044 : (r19 16s ph1)
1st 11/34
2 19/35
3 25/33
4 30/29
5 39/31
Final 15/61

JC5 014 (clio williams) !
1st 11/34
2 22/41
3 28/37
4 34/35
5 39/31
Final 15/61

JB3 048 (clio 16s Ph1)
1st 11/34
2 19/35
3 25/33
4 30/29
5 39/31
Final 14/59

JB3 053 (r19 16s ph2)
1st 11/34
2 22/41
3 28/37
4 34/35
5 34/28
Final 15/61

JB3 037 (r19 TXI)
1st 11/34
2 22/41
3 28/37
4 30/29
5 41/31
Final 14/59
Ben P
Level 5 User

Joined: 04 May 2004
Posts: 107

Posted: Fri May 21, 2004 5:21 am

That's the kind of information I want to be able to understand! I'm sure it's not difficult so will somone explain it?

Oh and Denis, I think your English is excellent. I could show you a couple of other Renault sites where the English people speak worse English than you Wink
JB
Mr Quoter-vator

Joined: 16 Feb 2004
Posts: 7405

Posted: Fri May 21, 2004 7:45 am

well imagine a ratio of 1:2....first gear spinning at 1 rpm will turn the following gear at 2 rpm...

so in 1st gear 11rpm will equal 34 rpm out.....

(it may be vice versa - cannot be sure)


(in fact i may be totally wrong...await for someone to confirm)
stan
Gay Rights Activist

Joined: 07 Apr 2004
Posts: 1268

Posted: Fri May 21, 2004 7:59 am

vice versa!
1st gear:34:11 (or 3.09:1)...........34 revolutions from the engine gives 11 revs at the final drive. this is gearing down, hence multiplying the engine torque to give a higher torque at the wheels......thats all a g/box is--a torque multiplier
JB
Mr Quoter-vator

Joined: 16 Feb 2004
Posts: 7405

Posted: Fri May 21, 2004 8:00 am

thought as much....
Ben P
Level 5 User

Joined: 04 May 2004
Posts: 107

Posted: Wed May 26, 2004 5:27 am

Sorry to bring this up again but I just wondered:

What effect would fitting a phase2 19 16v box to a phase1 19 16v have?

Ok maybe in reality not much, but in theory?
Chet T16
Retroholic

Joined: 12 Feb 2004
Posts: 5685

Posted: Wed May 26, 2004 5:47 am

In theory you'd lose the homosexual tendencies that affect ph1 owners, you'd probably bulk up a bit, you'd find yourself not wanting to wear string vests and hard hats, you'd find yourself looking at the girl in pornos...etc etc

HTH Smile
Chris H
Forum Moderator

Joined: 02 Mar 2004
Posts: 19978

Posted: Wed May 26, 2004 5:56 am

anbd in theory the car would be a tad quicker. But not top end wise.
Ben P
Level 5 User

Joined: 04 May 2004
Posts: 107

Posted: Wed May 26, 2004 6:57 am

Chet wrote:
In theory you'd lose the homosexual tendencies that affect ph1 owners, you'd probably bulk up a bit, you'd find yourself not wanting to wear string vests and hard hats, you'd find yourself looking at the girl in pornos...etc etc

HTH Smile


Ha ha. And I was worried that changing gear with a phase 2 box would make my wrist go limp Wink
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