v8ian
Posted a lot
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Hi Chaps,
I have just aquired a spare 86 Celica ST LSD axle for my car, in the search for a quicker 1/4mile I want to fit a better ratio CWP,
Somwhere on here somebody posted a list of Toyota axles, How to ID them, with ratios etc, but I cant find the Posting, anybody have the info I need, V8Celica?
Many thanks,
Ian
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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I did post some info on my reader rides page - here. Is that the post you meant? |
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I just rushed off to my favourites to link you to a site with fantastic Toyota codes info only to find that the server has been shut down....permanently!   Aaarrggghh! |
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Gutted, some useful info on that site. Norbie over on Toymods has some Toyota rear axle info here. You can find the T and F series rear axle workshop manual here. Ian, I think last time we spoke on here, we were trying to ID your current axle. I think I posted some pics of the F (7.5" LSD) and T (6.7" open) series diffs, and pointed out the extra strengthening rib on the F series. Since I recently changed my T for an F, I've also noticed another way to ID them. The bolts that hold the the diff centre to the axle can help ID the axle.......  Hope that helps. |
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Last Edit: Aug 6, 2009 19:11:46 GMT by alfazer
1976 Suzuki GT550 Celica RA28...Gone |
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..some more Celica related ramblings from me. I've just re-read your original post. '86 should have been a Gen' 4 Celica like this:  The first FWD model? (I've seen your car/engineering capability, so I know you've not made this error  ) The Gen' 3 Celica (82-85 ish) was the last RWD one, and looked like this:  As far as I know, UK G3's only had an open T series diffs. The exception being the MA61 Celica Supra:  It did have a F series LSD centre...but in a IRS setup. The only live axle UK LSD Celica diffs (I know of) are F series in: Gen' 2 - RA40 2000GT:  and the ....... Gen' 1 GT - RA28 2000GT:  No UK ST spec' Celica's ever came with a LSD...it was a GT thing. *Toyota Anarok Mode Off* So again, I have no idea what axle you have scored  |
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The Doctor
Club Retro Rides Member
Posts: 3,434
Club RR Member Number: 48
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Toyota AxlesThe Doctor
@thedoctor
Club Retro Rides Member 48
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dunno how it's in the UK, but all Celica fromt the xA6x generation did have the IRS, only the ST didn't. And the GT-S (with 4A-GE) got an LSD too.
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v8ian
Posted a lot
Posts: 3,765
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Wow, thanks for the info chaps, mine is out of an RA40 type car, and looks like a F series axle,
Now for the next question, I'm guessing the T series axle is the later one? are gears interchangable betwen the diffs, I want to try and get some ratios around 4.1+ in the diff, mine is a 3.7 at the moment, so I am wondering if the gears from a TownAce or similar would fit, or perhaps a Liteace, bearing in mind I have not read any of the info yet, I relying on a quick yes/no answer at the moment before I go too far,
Ah STs I was told were the only cars to be fitted with LSDs which sounds as its incorrect, and as I have bought both axles not attached to a car, I will bow to your superior knowledge, over the last few years,I have kept my eyes open in breakers looking for STs, and passed on a couple of GTs without looking!!!!
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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I have a diff from a UK 1975 TA22 ST 1600 4-speed lying in my garage, but it's not LSD. It's probably the smaller T series so maybe of no use?
From memory its either 3.9 or 4.1. I don't know if the CW and P are interchangeable,
I'm not at home right now but it's any help I could count the teeth and take a pic for you maybe tomorrow evening (sat)?
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Last Edit: Aug 7, 2009 11:47:17 GMT by alfazer
1976 Suzuki GT550 Celica RA28...Gone |
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The T and the F are just different diffs used in different vehicles.
The F is far stronger than the T and used in more powerful/heavier applications.
The T did not supersede the F.
The gears are not interchangable between a T and an F.
The T is a 6.7" CROWN wheel, and the the F is 7.5"
There have been 4.1 ratio versions of the F series diff.
They weren't on any UK GT Celicas though.
As you say quite possibly used in a Liteace or something as the F series diff has been widely used.
In work at the moment, but when I get home, I'll punch some numbers into the Toyota Electronic Parts catalogue and cross reference the F series 4.1 gear set and see what UK cars/vans it spits out.
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v8ian
Posted a lot
Posts: 3,765
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I have just been up the garage having a look at what I have, my spare certainly looks like the F series with the rib running from top to bottom, my other axle, The one I'm using at the moment does not have the rib, I know the diff uses the larger 28mm shafts, so is this still a F series, it deffo is NOT a earlier axle from a Mk1 celica, thats tiny compared to the axle I'm using.
Another thing I noticed, on the link to CelicaV8s build the F type Diff has 2 squareish bumps on the housing, mine does not,
without pulling the diff, I'm guessing a bit, do the T & F diffs interchange between the T & F series casings?? are these diffs all basically the same but have improved thru evoloution,
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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v8ian
Posted a lot
Posts: 3,765
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Right, ignore half my previos post, CelicaV8 seems to have answered one of my questions while I was composing my post.
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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OK, I've had a a play with the Toyota EPC. I have discovered that UK supplied, F series, live axle, 4.1 ratio diffs are not common  . The only one I can find is a version of the MS112 CROWN Like this:  It does list a 4.1 ratio F series, but also a more normal 3.9. So until you pull it apart, I guess it could be either. Townaces/ Hiaces all seemed to use the G series (8") diff in the the UK market. However, a bit more searching and I may have found a source! The MA61 Celica Supra (^pic in my previous posts) used an IRS version of the F series diff. And, according to my info, UK cars were 4.1 ratio. Comparing all the relevant part numbers of a Live F and IRS F, they are the same. So I reckon these are interchangeable. Here is the EPC for a live F series: RA40GTAnd here is the EPC for an IRS F: MA61All the bearings, flanges, seals etc are the same on the pinion shaft. The actual gear set numbers are different, but this is because of the ratio. (the EPC links are clickable/searchable) Looks like Toyota just grabbed all the old live F series parts and bolted them into a IRS housing. Now you have just got to find a breaking MA61 Celica Supra and try it! |
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v8ian
Posted a lot
Posts: 3,765
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Thanks for the info, There was a supra in a breakers nearby, , and I normally get a good price in there as well, Monday, I have a feeling I know what I am up to,
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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The Doctor
Club Retro Rides Member
Posts: 3,434
Club RR Member Number: 48
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Toyota AxlesThe Doctor
@thedoctor
Club Retro Rides Member 48
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i'm buying a Celica-Supra diff, just for it's LSD (the seller has got 2), you can buy upgrade kits for hte F series LSD in the US.
But better.. the dutch CS diffs where 4.3.
If you want the remains of the diff, you can have them.
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v8ian
Posted a lot
Posts: 3,765
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i'm buying a Celica-Supra diff, just for it's LSD (the seller has got 2), you can buy upgrade kits for hte F series LSD in the US. But better.. the dutch CS diffs where 4.3. If you want the remains of the diff, you can have them. Thats very nice of you, Yes, I will take the bits when you are ready, I can see postage being expensive!!, I recently sent a flywheel to germany, came to 80euros things, PM me when you are ready and we can sort it out. Many thanks, Ian ;D |
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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The Doctor
Club Retro Rides Member
Posts: 3,434
Club RR Member Number: 48
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Toyota AxlesThe Doctor
@thedoctor
Club Retro Rides Member 48
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there's a VERY small possibility that i have the diff next week, don't know if you are coming to the Gathering? i could take the R&P with me if you want (the rest of the diff won't be any use to you, so i won't send/bring that with me).
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v8ian
Posted a lot
Posts: 3,765
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there's a VERY small possibility that I have the diff next week, don't know if you are coming to the Gathering? I could take the R&P with me if you want (the rest of the diff won't be any use to you, so I won't send/bring that with me). Haynes gathering??, I'm not working that weekend, don't know if I can afford to drive the cortina all the way there, but I could come down in my daily, Ian ;D |
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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The Doctor
Club Retro Rides Member
Posts: 3,434
Club RR Member Number: 48
|
Toyota AxlesThe Doctor
@thedoctor
Club Retro Rides Member 48
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yeah, i mean the retro rides gathering.
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v8ian
Posted a lot
Posts: 3,765
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I have been laying under the car today trying to find a strange drivetrain noise, looks at the axle has sheared a locating pip off the lowering block allowing the axle to move forward and the two oil thrower rings on the toyota box and prop have been hitting each other, made for some really strange ringing noises under the car,
More to the point, while I was under there I had a good look at the diff casing, certainly looks like a F series, with the extra rib and the flat flange, and its a 3.9 ratio rather than the 3.7 I thought it was, and the new axle has a 3.9 CWP as well
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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Aaarrggghh!
)
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