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98BlackTeg
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Erie, PA Jun/24/03 1998 RS User ID: 26129 Name: Bill
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9/27/2009 |
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MichaelDelaney 
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Late Apexing, YT Feb/23/02 User ID: 416
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8/21/2009 |
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it's done all the time in racing.
the thing to research is the fitment onto the mainshaft and countershaft and compatibility with the syncros, spacers, final drive. The other thing to sort out are which clearances should you use from which model if you start adding on gear ratios from another model.
if you look at the JDM ITR and the gearing and the final drive, you'll see that they've done it too. For the 4.785 FD on the JDM 98 Spec R instead of the usual 4.4 FD on the 98 version of the R , they put a GSR 5th onto the ITR S80 tranny in .
You're not in left field.
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Who is Michael Delaney?
Type R Teg Baby |
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Monaco
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Spodieodie, NJ Mar/30/04 1994 RS User ID: 43635 Name: Mario
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10/24/2009 |
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I was thinking the same thing awhile ago.having short gears for autoX but not losing any highway gearing.
how much would a frankenstien project like this cost anyway.
great topic
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Changes To This Post: » Added Additional Post Text by Monaco at 1/8/2005 8:21:21 AM |
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MichaelDelaney
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Late Apexing, YT Feb/23/02 User ID: 416
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Last Here
8/21/2009 |
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it's very tedious work and time consuming. basically you have to have a clean work area, be organized, be patient, and just follow the Helms manual while checking your clearances. From the threads of people doing this here, it's also a frustrating exercise.
Looking at the parts involved, you can understand why:
Countershaft
Mainshaft
it's a matter of disassembly and re-assembly but it's keeping them aligned and in sequence at the right clearances which requires some patience and experience.
If you're asking someone to do it for you and paying them you can see why it's going to take the better part of a day in man hours to do this with an experienced tranny guy.
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MichaelDelaney
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Late Apexing, YT Feb/23/02 User ID: 416
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Last Here
8/21/2009 |
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some gears , spacers, bearings, and synchros must be purchased together and not separately from Honda.
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br1t1shguy
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Dueling Banjos, OR Apr/20/02 1998 GSR User ID: 1331
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Quote: Originally posted by MichaelDelaney on Jan/08/05
it's very tedious work and time consuming. basically you have to have a clean work area, be organized, be patient, and just follow the Helms manual while checking your clearances. From the threads of people doing this here, it's also a frustrating exercise.
Looking at the parts involved, you can understand why:
Countershaft
Mainshaft
it's a matter of disassembly and re-assembly but it's keeping them aligned and in sequence at the right clearances which requires some patience and experience.
If you're asking someone to do it for you and paying them you can see why it's going to take the better part of a day in man hours to do this with an experienced tranny guy.
If you've got experience working on you're car and a good general technical skills it's really not all that bad.
Like MD said, get a helms, a clean well-lit work area, set aside plenty of time so you're not in a hurry, and be sure to oraganzie/label parts as you take them apart.
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Drinking dark liquor, tellin white lies. |
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98BlackTeg
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Erie, PA Jun/24/03 1998 RS User ID: 26129 Name: Bill
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9/27/2009 |
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Quote: Originally posted by MichaelDelaney on Jan/08/05
it's done all the time in racing.
the thing to research is the fitment onto the mainshaft and countershaft and compatibility with the syncros, spacers, final drive. The other thing to sort out are which clearances should you use from which model if you start adding on gear ratios from another model.
if you look at the JDM ITR and the gearing and the final drive, you'll see that they've done it too. For the 4.785 FD on the JDM 98 Spec R instead of the usual 4.4 FD on the 98 version of the R , they put a GSR 5th onto the ITR S80 tranny in .
You're not in left field.
This is one of my problems. Where can I get the specifications for the mainshaft, countershaft and syncros without having the actual parts in hand? I have my Helm's, but haven't spent much time studying the setup and clearances yet.
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MichaelDelaney
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Late Apexing, YT Feb/23/02 User ID: 416
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Last Here
8/21/2009 |
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The Helms has in the tranny chapter/section: the synchro ring to gear, double cone synchro to gear and mainshaft thrust shim clearances (with the selection formula for the thrust shim).
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tokinalcoholic
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Getinma spoolon, MI Oct/27/02 1997 LS User ID: 10930
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8/26/2008 |
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I have never heard of any of the gears being interchangeable within the transmissions except the fifth gear. Also, they DO make as gsr tranny with an lsd. It is out of the JDM GSR s80 transmission. The only problem you will run into is the bolt patten which holds the lsd to the final drive. the jdm gsr s80 lsd has a 14 bolt pattern, the usdm itr, quiffe, kaz, or cusco lsd's are all made with a 10 bolt patten. you will need the proper final drive to corrispond to the lsd if you buy jdm. just a heads up that will save you alot of time if you ever decide to start swapping lsd's.
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554whp/385wtq. Rice that. Bitch.
650+whp, and an alcohol powered rx-7 coming soon from your friends over at DSL. |
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MichaelDelaney
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Late Apexing, YT Feb/23/02 User ID: 416
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Last Here
8/21/2009 |
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they make a 4.4 & 4.785 fd for the jdm lsd.
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98BlackTeg
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Erie, PA Jun/24/03 1998 RS User ID: 26129 Name: Bill
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Last Here
9/27/2009 |
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I have finally had the chance to study my Helm's manual. The job doesn't look too bad as long as I have all the parts that I need.
From going over and comparing the parts breakdowns the tranny's are pretty much the same. They even share many of the same parts.
This is what I have gathered that I will need so far, and am sure the list will grow.
Specil tools that I do not have:
1) 07746-0030100 (for pressing in the bearings)
2) 07746-0030400 (for pressing in the bearings)
For the mainshaft:
1) 4th gear from the GSR
2) 5th gear from the RS
For the countershaft:
1) 4th gear from the GSR
2) 5th gear from the RS
3) Locknut
If that is all I need, it's not going to be all that bad. However I haven't been able to find out whether I will need the synchro sleeves and hubs on the mainshaft. The synchro sleeves and hubs are sold as sets and cannot be purchased broken down. This leads to a series of questions.
1) The 5th/Reverse synchro sleeve and hub for the type R is the same as that of the GSR, but different for the RS/LS. So since I want to replace the 5th gear above, I am assuming that it is required for the swap as well. It's a fairly expensive part!
2) The 3rd/4th synchro sleeve and hub set is different for the R GSR and LS. Since I would want to swap 4th gears from the GSR, I assume that this set would also need swapped. It too is fairly expensive.
I am by no means an expert on manual transmissions, therefore I am somewhat lost on what exactly the synchro sleeve and hubs do and how they interrelate with the gears and how they synchronize them during shifting.
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Changes To This Post: » Updated Current Post Text by 98BlackTeg at 1/9/2005 5:02:24 PM |
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WildoutWhiteGSR
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Toronto, ON Aug/04/03 1994 GSR User ID: 28998 Name: Trenell
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Last Here
7/21/2009 |
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redkroovy
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Nowhere, VA Aug/15/03 1998 Type-R User ID: 29665 Name: Tim
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11/9/2009 |
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Correct me if I am wrong but I do believe there is an aftermarket 6 speed transmission for B series applications. I think I saw it in one of my Superstreet mags. I will try to locate it for more information.
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My R is my dream. You take my dream I'll take your life
[color=red]ITR Militia Member #5[/color] |
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98BlackTeg
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Erie, PA Jun/24/03 1998 RS User ID: 26129 Name: Bill
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Last Here
9/27/2009 |
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Quote: Originally posted by WildoutWhiteGSR on Aug/28/05
Any updates on this?
No. I pretty much put this idea on the back burner. Couldn't come up with all the answers to the questions I had. 
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