[Rovernet] P6 Differential gears [SEC=UNOFFICIAL]

Lou louatlcf at aol.com
Sat Jul 6 22:14:51 EDT 2019


Tom Trafton is the name however he installed a jaguar IRS rear end to handle the power of a Ford 5.0 V8 via a Tremex 5 speed he shoe horned into his Rover 2000TC. I had the pleasure of having a ride in the red terror with him punching it.
Louie the Great aka Lucien LeBlanc.

Sent from my iPhone

> On Jul 6, 2019, at 5:22 AM, larry williamson via Rovernet <rovernet at rovernet.org> wrote:
> 
> Ford into a rover. There was a fellow that used to write in here in South
> California that did such a swap. I think his first name was Tom?? I will
> look in my files to see if I can find the reference. Larry
> 
> On Mon, Jun 17, 2019 at 12:00 AM Coombs, Michael MR via Rovernet <
> rovernet at rovernet.org> wrote:
> 
>> UNOFFICIAL
>> 
>> I replaced my 3.08:1 gearset with a new 2200 3.54:1 set. There are some
>> significant differences. ALL V8 diffs are four pinion while 2000diffs are
>> mostly 2 pinion on a different carrier.  Later 2000 and I think all 2200s
>> use the dame 4 pinion carrier. The V8s also have two distinct differences
>> in the size of the mounting set screws for the ring gear. They don't
>> interchange without machining. Check the 2200 and 3500 parts manuals and
>> the suffix letter on your diff case. 2200 diffs area essentially the same
>> as 3500 diffs except for the gearset. There were only ever two ratios
>> available from Rover 3.54:1 in the 4 cyl cars and 3.08 in the V8s. If
>> someone knows of another source please let us know! The last few years of
>> production saw significant improvements to the diff unit so your best diff
>> is the last one which is suffix F from memory. The F is stamped on the
>> bottom of the case after the serial no. (or somewhere near it) Many of the
>> changes are to do with sealing and keeping the oil inside. You will need
>> the pinion height adjusting tool. There is or was one on ebay at the moment
>> but it is the same as the Land rover one - same shims too...so land rover
>> guys should have one. The difference in performance is marked. My automatic
>> V8 is a much nicer drive. You will need to swap to a 2000/2200 speedo. Be
>> very careful when removing the extension shaft to keep the sleeve which
>> joins the input shaft to the pinion shaft ON THE INPUT SHAFT. Don't take it
>> off they are balanced together but can get a bit loose over time. If you
>> need more info reply to this email.
>> 
>> Michael Coombs
>> 
>> -----Original Message-----
>> From: Rovernet <rovernet-bounces at rovernet.org> On Behalf Of
>> rovernet-request at rovernet.org
>> Sent: Monday, 17 June 2019 2:00 AM
>> To: rovernet at rovernet.org
>> Subject: Rovernet Digest, Vol 73, Issue 9
>> 
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>> 
>> Today's Topics:
>> 
>>   1. Differential gears (Jonathan Present)
>>   2. SD1 A/C belt adjust? (Geff McCarthy)
>>   3. Re: Differential gears (larry williamson)
>>   4. Re: Differential gears (gjkzscruggs at verizon.net)
>>   5. Re: Differential gears (scott kohl)
>>   6. Re: Differential gears (garrett bourque)
>> 
>> 
>> ----------------------------------------------------------------------
>> 
>> Message: 1
>> Date: Sat, 15 Jun 2019 15:17:13 -0700
>> From: Jonathan Present <present.jonathan at gmail.com>
>> To: "rovernet at rovernet.org" <rovernet at rovernet.org>
>> Subject: [Rovernet] Differential gears
>> Message-ID: <ACF953BB-039E-489A-B431-71484C4EA7A1 at gmail.com>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Going to install a set of 3.45 differential gears in place of my current
>> 3:08 set. Got to make it up those hills in San Francisco. Any advice on
>> installation is much appreciated!!!
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>> 
>> 
>> ------------------------------
>> 
>> Message: 2
>> Date: Sat, 15 Jun 2019 15:23:12 -0700
>> From: "Geff McCarthy" <geffandjulie at comcast.net>
>> To: "'Rovernet'" <rovernet at rovernet.org>
>> Subject: [Rovernet] SD1 A/C belt adjust?
>> Message-ID: <01eb01d523c8$ebd7fdd0$c387f970$@comcast.net>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> The jockey belt is loose, and screeches when the compressor comes on.  I
>> can see the compressor belt slow down, so it is not the c belt slipping.
>> Plus the J belt looks old. The book says adjustment bolts in 1 section,
>> "bolt" in another. When I remove the depicted bolt, the pulley is still
>> tight. I cannot see or feel a 2nd bolt.  Help please!
>> 
>> 
>> 
>> Geoffrey W. McCarthy MD MBA DipAvMed
>> 
>> 677 NW Melinda Ave
>> 
>> Portland OR 97210
>> 
>> 503-241-8468 (h)
>> 
>> 503-799-3809 (m)
>> 
>> 
>> 
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>> 
>> 
>> ------------------------------
>> 
>> Message: 3
>> Date: Sat, 15 Jun 2019 16:55:47 -0600
>> From: larry williamson <lewill4756 at gmail.com>
>> To: Rovernet <rovernet at rovernet.org>
>> Subject: Re: [Rovernet] Differential gears
>> Message-ID:
>>        <CAPSjzi68kzFoU5a=Q8eFuGWEZ4rAzN4RXvXBQdq=
>> e7Z5qkdaoQ at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>> 
>> Jonathan, I went the other way. I replaced the whole rear end in my TC
>> 2000 from a 3..45  rear end to a 3.08 rear end. I know nothing about
>> changing just the gears. It was just a bolt in job. I lived in SF for four
>> years. I know about the hills and having a stick shift. Larry
>> 
>> On Sat, Jun 15, 2019 at 4:17 PM Jonathan Present via Rovernet <
>> rovernet at rovernet.org> wrote:
>> 
>>> Going to install a set of 3.45 differential gears in place of my
>>> current
>>> 3:08 set. Got to make it up those hills in San Francisco. Any advice
>>> on installation is much appreciated!!!
>>> -------------- next part -------------- An HTML attachment was
>>> scrubbed...
>>> URL: <
>>> http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/201906
>>> 15/19055a3b/attachment.html
>>>> 
>>> _______________________________________________
>>> Rovernet mailing list
>>> Rovernet at rovernet.org
>>> http://rovernet.org/mailman/listinfo/rovernet_rovernet.org
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>> 
>> ------------------------------
>> 
>> Message: 4
>> Date: Sat, 15 Jun 2019 20:55:04 -0400
>> From: <gjkzscruggs at verizon.net>
>> To: "'Rovernet'" <rovernet at rovernet.org>
>> Subject: Re: [Rovernet] Differential gears
>> Message-ID: <03ea01d523de$232a1510$697e3f30$@verizon.net>
>> Content-Type: text/plain;       charset="us-ascii"
>> 
>> It's a direct swap.  Years ago I went from the 3:48 to a 3:08 in my '67
>> 2000TC by replacing the entire diff.  Swap is an easy remove and replace.
>> Caution though as I understand the 2000 differential is not as 'strong' as
>> the 3500 diff... look at those extra fins.
>> 
>> I used to correspond with a guy in New Zealand that swapped just the gears
>> from his 3:08 diff to the gears from a 3:48 which retained the stiffness
>> from the 3:08 diff case for use in his 4 spd 3500S.
>> 
>> Never a fan of the BOP 3.5 V8... I'm still considering a swap to the Ford
>> 302.  Let's see... the Ford oils, it cools, it has power, it's good enough
>> for Cobras and Mustangs... hmmm.
>> 
>> Gross Scruggs
>> 
>> -----Original Message-----
>> From: Rovernet <rovernet-bounces at rovernet.org> On Behalf Of Jonathan
>> Present via Rovernet
>> Sent: Saturday, June 15, 2019 6:17 PM
>> To: rovernet at rovernet.org
>> Cc: Jonathan Present <present.jonathan at gmail.com>
>> Subject: [Rovernet] Differential gears
>> 
>> Going to install a set of 3.45 differential gears in place of my current
>> 3:08 set. Got to make it up those hills in San Francisco. Any advice on
>> installation is much appreciated!!!
>> -------------- next part --------------
>> An HTML attachment was scrubbed...
>> URL:
>> <
>> http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/20190615/19
>> 055a3b/attachment.html
>> <http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/20190615/19055a3b/attachment.html>
>>> 
>> _______________________________________________
>> Rovernet mailing list
>> Rovernet at rovernet.org
>> http://rovernet.org/mailman/listinfo/rovernet_rovernet.org
>> 
>> 
>> ---
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>> https://www.avg.com
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>> 
>> 
>> ------------------------------
>> 
>> Message: 5
>> Date: Sun, 16 Jun 2019 00:58:11 +0000 (UTC)
>> From: scott kohl <sdkgt6 at yahoo.com>
>> To: gjkzscruggs--- via Rovernet <rovernet at rovernet.org>
>> Subject: Re: [Rovernet] Differential gears
>> Message-ID: <1544947021.1519301.1560646691453 at mail.yahoo.com>
>> Content-Type: text/plain; charset="utf-8"
>> 
>> If you want the SBF to be as light as the Rover V8, you'll have to fit
>> ally heads.
>>    On Saturday, June 15, 2019, 5:55:56 PM PDT, gjkzscruggs--- via
>> Rovernet <rovernet at rovernet.org> wrote:
>> 
>> It's a direct swap.? Years ago I went from the 3:48 to a 3:08 in my '67
>> 2000TC by replacing the entire diff.? Swap is an easy remove and replace.
>> Caution though as I understand the 2000 differential is not as 'strong' as
>> the 3500 diff... look at those extra fins.? ?
>> 
>> I used to correspond with a guy in New Zealand that swapped just the gears
>> from his 3:08 diff to the gears from a 3:48 which retained the stiffness
>> from the 3:08 diff case for use in his 4 spd 3500S.?
>> 
>> Never a fan of the BOP 3.5 V8... I'm still considering a swap to the Ford
>> 302.? Let's see... the Ford oils, it cools, it has power, it's good enough
>> for Cobras and Mustangs... hmmm.?
>> 
>> Gross Scruggs
>> 
>> -----Original Message-----
>> From: Rovernet <rovernet-bounces at rovernet.org> On Behalf Of Jonathan
>> Present via Rovernet
>> Sent: Saturday, June 15, 2019 6:17 PM
>> To: rovernet at rovernet.org
>> Cc: Jonathan Present <present.jonathan at gmail.com>
>> Subject: [Rovernet] Differential gears
>> 
>> Going to install a set of 3.45 differential gears in place of my current
>> 3:08 set. Got to make it up those hills in San Francisco. Any advice on
>> installation is much appreciated!!!
>> -------------- next part --------------
>> An HTML attachment was scrubbed...
>> URL:
>> <
>> http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/20190615/19
>> 055a3b/attachment.html
>> <http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/20190615/19055a3b/attachment.html>
>>> 
>> _______________________________________________
>> Rovernet mailing list
>> Rovernet at rovernet.org
>> http://rovernet.org/mailman/listinfo/rovernet_rovernet.org
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>> 
>> ---
>> This email has been checked for viruses by AVG.
>> https://www.avg.com
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>> ------------------------------
>> 
>> Message: 6
>> Date: Sat, 15 Jun 2019 21:13:49 -0400
>> From: garrett bourque <gbbourque at gmail.com>
>> To: Rovernet <rovernet at rovernet.org>
>> Subject: Re: [Rovernet] Differential gears
>> Message-ID:
>>        <
>> CAJBLATTodtmzusDJ0DZV5uMm-u6maHiOQTu2Qy-HrobCaP-9jA at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>> 
>> Aluminum heads are great.  I own a NADA 3500S that I installed a 4.0
>> Discovery engine in about 20 years ago.  It is still going strong.  This
>> winter, I installed a Ford 302 engine in a 1995 Volvo 960 station wagon.
>> This was Volvo's last rear wheel drive model.  I built an '89 Mustang 302
>> engine up to moderate power, with a carb and Edelbrock aluminum heads, a
>> cam and my parts car's 5 speed T5 trans.  I will take it for it's first
>> drive in a few days.  It should be fun!  A 302 might be fun in a Rover if
>> weight was not too overwhewlming for it!
>> 
>> 
>> On Sat, Jun 15, 2019 at 8:58 PM scott kohl via Rovernet <
>> rovernet at rovernet.org> wrote:
>> 
>>> If you want the SBF to be as light as the Rover V8, you'll have to
>>> fit ally heads.
>>>    On Saturday, June 15, 2019, 5:55:56 PM PDT, gjkzscruggs--- via
>>> Rovernet <rovernet at rovernet.org> wrote:
>>> 
>>> It's a direct swap.  Years ago I went from the 3:48 to a 3:08 in my
>>> '67 2000TC by replacing the entire diff.  Swap is an easy remove and
>> replace.
>>> Caution though as I understand the 2000 differential is not as
>>> 'strong' as the 3500 diff... look at those extra fins.
>>> 
>>> I used to correspond with a guy in New Zealand that swapped just the
>>> gears from his 3:08 diff to the gears from a 3:48 which retained the
>>> stiffness from the 3:08 diff case for use in his 4 spd 3500S.
>>> 
>>> Never a fan of the BOP 3.5 V8... I'm still considering a swap to the
>>> Ford 302.  Let's see... the Ford oils, it cools, it has power, it's
>>> good enough for Cobras and Mustangs... hmmm.
>>> 
>>> Gross Scruggs
>>> 
>>> -----Original Message-----
>>> From: Rovernet <rovernet-bounces at rovernet.org> On Behalf Of Jonathan
>>> Present via Rovernet
>>> Sent: Saturday, June 15, 2019 6:17 PM
>>> To: rovernet at rovernet.org
>>> Cc: Jonathan Present <present.jonathan at gmail.com>
>>> Subject: [Rovernet] Differential gears
>>> 
>>> Going to install a set of 3.45 differential gears in place of my
>>> current
>>> 3:08 set. Got to make it up those hills in San Francisco. Any advice
>>> on installation is much appreciated!!!
>>> -------------- next part -------------- An HTML attachment was
>>> scrubbed...
>>> URL:
>>> <
>>> http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/201906
>>> 15/19
>>> 055a3b/attachment.html
>>> <http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/20190
>>> 615/19055a3b/attachment.html>
>>>> 
>>> _______________________________________________
>>> Rovernet mailing list
>>> Rovernet at rovernet.org
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