Home » Public Forums » GMCnet » 410 final drive
| 410 final drive [message #336478] |
Wed, 29 August 2018 08:38  |
Racer20m
Messages: 5
Registered: August 2018
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Can anyone help direct me to be able to find a USED set of 410 ratio gear set or final drive unit, or maybe a salvage yard that may be able to help?
[Updated on: Wed, 29 August 2018 08:39] Report message to a moderator |
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| Re: [GMCnet] 410 final drive [message #336479 is a reply to message #336478] |
Wed, 29 August 2018 09:09  |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Why do you want a used set of final drive gears?
If I went to the trouble of changing out the assembly, I would use
the best thing I could get my hands on.
Don't apply false economy to mechanical repairs, your coach and
Murphy will conspire to leave you alongside the road, at night, in the
rain, with semi trucks flying by so close that the wind rocks your coach.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Wed, Aug 29, 2018, 6:52 AM wrote:
> Can anyone help direct me to be able to find a USED set of 410 ratio gear
> set or final drive untit, or maybe a salvage yard that may be able to help?
>
> _______________________________________________
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| Re: [GMCnet] 410 final drive [message #336482 is a reply to message #336479] |
Wed, 29 August 2018 09:38 |
Kingsley Coach
Messages: 2691
Registered: March 2009
Location: Nova Scotia Canada
Karma: -34
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Who is this person?
Mike in NS
On Wed, Aug 29, 2018 at 11:08 AM James Hupy wrote:
> Why do you want a used set of final drive gears?
> If I went to the trouble of changing out the assembly, I would use
> the best thing I could get my hands on.
> Don't apply false economy to mechanical repairs, your coach and
> Murphy will conspire to leave you alongside the road, at night, in the
> rain, with semi trucks flying by so close that the wind rocks your coach.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
>
> On Wed, Aug 29, 2018, 6:52 AM wrote:
>
>> Can anyone help direct me to be able to find a USED set of 410 ratio gear
>> set or final drive untit, or maybe a salvage yard that may be able to
> help?
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Michael Beaton
1977 Kingsley 26-11
1977 Eleganza II 26-3
Antigonish, NS
Life is too short to hold a grudge; slash some tires and call it even !
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| Re: [GMCnet] 410 final drive [message #336495 is a reply to message #336488] |
Wed, 29 August 2018 10:43 |
GMC.LES
Messages: 505
Registered: April 2014
Karma: -2
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You might get lucky and find a used final drive with the 3:70 or 4:10 ratio, but it won’t be cheap. Used FDs with the 3:55, 3:70,or 4:10 ratio in useable condition can sell for over $1000, while new are a fair bit more.
To find a used high ratio FD, you’ll have to keep a very close watch on all the various GMC Motorhome for-sale listings that exist across the web. Parts like these will sell quickly if the the price is fair.
There are many GMC related lists of stuff for sale. Start searching all the clubs, groups, forums, Facebook groups, etc. Even some of the suppliers have lists of used parts that they offer for sale. You WON’T find it all listed in one place. Often the good stuff sells by word-of-mouth before making it to a list, so many phone calls might be in order to find your parts.
Good luck with your search.
Les Burt
Montreal
'75 Eleganza 26'
> On Aug 29, 2018, at 11:08 AM, Emery Stora via Gmclist wrote:
>
> You won’t find any in a junkyard. Jim Kanomata of Applied GMC developed it and modifies a standard final drive with different gears. Contact him at 800-752-7502.
>
> Emery Stora
> 77 Kingsley
> Frederick, CO
>
>> On Aug 29, 2018, at 8:54 AM, pippi_mos@msn.com wrote:
>>
>> Its for a off road project im working on using the th425 trans.
>>
>> _______________________________________________
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>
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| Re: [GMCnet] 410 final drive [message #336498 is a reply to message #336495] |
Wed, 29 August 2018 10:57 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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There are over 3,000 3.70/3.55 out there.
4.10 are but 200 ea.
If you need help to locate a used one, posting it here is a good start.
On Wed, Aug 29, 2018 at 8:44 AM Les Burt wrote:
> You might get lucky and find a used final drive with the 3:70 or 4:10
> ratio, but it won’t be cheap. Used FDs with the 3:55, 3:70,or 4:10 ratio in
> useable condition can sell for over $1000, while new are a fair bit more.
>
> To find a used high ratio FD, you’ll have to keep a very close watch on
> all the various GMC Motorhome for-sale listings that exist across the web.
> Parts like these will sell quickly if the the price is fair.
>
> There are many GMC related lists of stuff for sale. Start searching all
> the clubs, groups, forums, Facebook groups, etc. Even some of the suppliers
> have lists of used parts that they offer for sale. You WON’T find it all
> listed in one place. Often the good stuff sells by word-of-mouth before
> making it to a list, so many phone calls might be in order to find your
> parts.
>
> Good luck with your search.
>
> Les Burt
> Montreal
> '75 Eleganza 26'
>
>
>> On Aug 29, 2018, at 11:08 AM, Emery Stora via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>> You won’t find any in a junkyard. Jim Kanomata of Applied GMC developed
> it and modifies a standard final drive with different gears. Contact him at
> 800-752-7502.
>>
>> Emery Stora
>> 77 Kingsley
>> Frederick, CO
>>
>>> On Aug 29, 2018, at 8:54 AM, pippi_mos@msn.com wrote:
>>>
>>> Its for a off road project im working on using the th425 trans.
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] 410 final drive [message #336499 is a reply to message #336490] |
Wed, 29 August 2018 11:02 |
Ronald Pottol
Messages: 505
Registered: September 2012
Location: Redwood City, California
Karma: -2
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One option would be to combine the transmission chain ratio change with
say, a 3:70, that might be a more achievable salvage find to get shorter
gearing.
On Wed, Aug 29, 2018 at 8:52 AM wrote:
> Yes, i have been in contact with applied, but unfornuately my budget on
> this project wont allow me to spend $1800 on a unit or $900 on a gear set,
> so
> was hoping maybe someone had a used one or maybe someone that has already
> changed units may have hit the salvage yard. I was hoping maybe someone here
> may be able to help me find something any help would be greatly
> appreciated.
>
> _______________________________________________
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1973 26' GM outfitted
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| Re: 410 final drive [message #336513 is a reply to message #336478] |
Wed, 29 August 2018 18:27 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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For starters, the gears won't go in the case. You have to expand it a bit. Etc. Listen to Dunahugh, he knows whereof he speaks. Either get a power dive chain set from Manny if he still has any and pair it with a 3.7 or put more motor in and build it for a lower engine speed. Meantimes, tell us who you are and where - there may well be someone relative close to help.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] 410 final drive [message #336516 is a reply to message #336513] |
Wed, 29 August 2018 19:24 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Like any rear end, you need a spreader. Does not make any differencce as to
ratio.
All our gears work like the stock.
Setting up the ring and pinion is not that hard, just triccky if you want a
quiet unit.
On Wed, Aug 29, 2018 at 4:52 PM Johnny Bridges via Gmclist <
gmclist@list.gmcnet.org> wrote:
> For starters, the gears won't go in the case. You have to expand it a
> bit. Etc. Listen to Dunahugh, he knows whereof he speaks. Either get a
> power
> dive chain set from Manny if he still has any and pair it with a 3.7 or
> put more motor in and build it for a lower engine speed. Meantimes, tell us
> who you are and where - there may well be someone relative close to help.
>
> --johnny
> --
> 76 26' Eleganza(?) with beaucoup mods and add - ons.
> Braselton, Ga.
> "I forgive them all, save those who hurt the dogs. They must answer to me
> in hell" - ol Andy, paraphrased
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] 410 final drive [message #336523 is a reply to message #336501] |
Wed, 29 August 2018 20:55 |
Kosier
Messages: 834
Registered: February 2008
Karma: 1
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Senior Member |
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Here's a suggestion for you. Several years ago I found some info on the net
where a guy turned the engine and tranny around, converted the tranny to an
open driveshaft, using RWD car parts. Then he used a FWD axle assembly.
This got everything turning in the right direction.
Cheaper deal and a good selection of gear ratios. To really go big time,
since it's a FWD axle, cut the axle tubes and rotate them 90 degrees,
weld them back together and you now have adjustable camber using the tie
rods as adjusters.
That's my contribution to keeping you out in the garage for a while.
Gary Kosier
77PB w/500Cad
Newark, Ohio
--------------------------------------------------
them From: .
Sent: Wednesday, August 29, 2018 12:52 PM
To:
Subject: Re: [GMCnet] 410 final drive
> I have read about the chain/gear swap and yes that may work aswell, for my
> project i plan on bolting up a 4.3 liter v-6 to the th425 and will only
> use
> 1st and reverse, so in order the the v-6 to pull a 3,000 lb car i need to
> change the ratio to make it perform, where does one find more info and
> costs of the chain/gear swap?
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] 410 final drive [message #336527 is a reply to message #336503] |
Wed, 29 August 2018 21:53 |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma: 11
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Senior Member |
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There you go thinking about it. DON'T. GRIN. The case has to be bent by a special spreader. There's just no room in there. I did it in 2004. I'm sorry. I let those bad memories die years ago. And what's left of those memories have made me enjoy messing with my 4 original COPO Yenko's even more. Bob Dunahugh
________________________________
From: Bob Dunahugh
Sent: Wednesday, August 29, 2018 12:22 PM
To: gmclist@list.gmcnet.org
Subject: RE: 410 final drive
Do not try to get the gear set. Then have you, or someone else install them in the case. PROMISE. Been there. Done that. I've installed a lot of gear sets in about everything. I will NEVER do that EVER again in one of these cases. Don't even think about it. EVER. Bob Dunahugh
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