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5 posts
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by Litle brother » Mon Sep 23, 2013 2:11 pm
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Last edited by Litle brother on Thu May 23, 2019 2:27 pm, edited 1 time in total.
- Litle brother
- Posts: 67
- Joined: Mon Feb 11, 2013 10:45 am
Re: Costs for Custom 915 gearbox
by Steve » Mon Sep 23, 2013 9:24 pm
Hi Eskild,
You didn't mention anything about a limited slip differential and thats something you really need to include in your project.
Gear ratios are selected by factoring engine HP & torque curves, rear tire diameters, R&P, desired top speed, and how the car will be used. With that information, you can choose a new 2nd, 3rd, 4th & 5th that will keep the engine in its best powerband and provide a decent top speed.
For durability on the track, you should install a one-piece bearing retaining plate. The stock side cover is more than adequate for a 3.0 engine.
Its difficult to quote costs since the condition of your transmission affects the total costs here. You may need 3-4 syncros, 2 operating sleeves, anchor & stop blocks, maybe a pinion bearing, etc. You just won't know until your gearbox is disassembled and inspected.
I'd be happy to provide the components needed to build a solid, reliable transmission for you, if that helps. As part of that service, I can select gears for you if I have your dyno charts and the rest of the info.
You didn't mention anything about a limited slip differential and thats something you really need to include in your project.
Gear ratios are selected by factoring engine HP & torque curves, rear tire diameters, R&P, desired top speed, and how the car will be used. With that information, you can choose a new 2nd, 3rd, 4th & 5th that will keep the engine in its best powerband and provide a decent top speed.
For durability on the track, you should install a one-piece bearing retaining plate. The stock side cover is more than adequate for a 3.0 engine.
Its difficult to quote costs since the condition of your transmission affects the total costs here. You may need 3-4 syncros, 2 operating sleeves, anchor & stop blocks, maybe a pinion bearing, etc. You just won't know until your gearbox is disassembled and inspected.
I'd be happy to provide the components needed to build a solid, reliable transmission for you, if that helps. As part of that service, I can select gears for you if I have your dyno charts and the rest of the info.
- Steve
- Site Admin
- Posts: 418
- Joined: Sun Jan 27, 2013 12:16 am
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by Litle brother » Wed Sep 25, 2013 3:12 am
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Last edited by Litle brother on Thu May 23, 2019 2:28 pm, edited 1 time in total.
- Litle brother
- Posts: 67
- Joined: Mon Feb 11, 2013 10:45 am
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by Litle brother » Wed Sep 25, 2013 3:51 am
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Last edited by Litle brother on Thu May 23, 2019 2:28 pm, edited 1 time in total.
- Litle brother
- Posts: 67
- Joined: Mon Feb 11, 2013 10:45 am
Re: Costs for Custom 915 gearbox
by Steve » Wed Sep 25, 2013 10:38 pm
- Steve
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- Joined: Sun Jan 27, 2013 12:16 am
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