LSD queries and sourcing
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Trial User
Joined: May 2011
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From: South Africa
LSD queries and sourcing
Hi there guys,
Sorry that this is my first post...but I guess an Intro is in order. I hail from sunny South Africa :D. I've built a Frank LS tec, had a B20 tec and then a b18 resleeved to 84mm tec. My power figures don't compare to yours...but I guess the 4500feet above sea level and crap fuel doesn't help haha. Best power was 203hp otw with 199nm. 14.4 @ 100mph exit speed.
The reason I'm here Is I have a problem. A friend imported a Y21 g/b from Australia (used in the del sol V-tec). From research it's supposed to be the CTR in spec but with a different LSD. Originally I was under the impression the box had a clutch-type lsd. My mechanic has opened it and said it's a gear type..but not helical. The guy I bought it from said I can use a normal helical lsd (type r) to replace it. Is this possible? It has a 66 tooth pattern(crown?). Please can you advise me in the right direction to get the right part from either a fellow forum member or link.
P.s - our tecs this side came out with a weird 4.266 f/d ratio'd box with a 15/64 config. I'm looking to source a 3rd gear and hub (1.458 - 24/35) as well.
Looking forward to the favourable advice. Busy in the process of going boost...WoOt :D
Sorry that this is my first post...but I guess an Intro is in order. I hail from sunny South Africa :D. I've built a Frank LS tec, had a B20 tec and then a b18 resleeved to 84mm tec. My power figures don't compare to yours...but I guess the 4500feet above sea level and crap fuel doesn't help haha. Best power was 203hp otw with 199nm. 14.4 @ 100mph exit speed.
The reason I'm here Is I have a problem. A friend imported a Y21 g/b from Australia (used in the del sol V-tec). From research it's supposed to be the CTR in spec but with a different LSD. Originally I was under the impression the box had a clutch-type lsd. My mechanic has opened it and said it's a gear type..but not helical. The guy I bought it from said I can use a normal helical lsd (type r) to replace it. Is this possible? It has a 66 tooth pattern(crown?). Please can you advise me in the right direction to get the right part from either a fellow forum member or link.
P.s - our tecs this side came out with a weird 4.266 f/d ratio'd box with a 15/64 config. I'm looking to source a 3rd gear and hub (1.458 - 24/35) as well.
Looking forward to the favourable advice. Busy in the process of going boost...WoOt :D
Last edited by cynide; May 16, 2011 at 12:45 PM. Reason: spelt sea wrong ROFL
Re: LSD queries and sourcing
Hi there guys,
Sorry that this is my first post...but I guess an Intro is in order. I hail from sunny South Africa :D. I've built a Frank LS tec, had a B20 tec and then a b18 resleeved to 84mm tec. My power figures don't compare to yours...but I guess the 4500feet above see level and crap fuel doesn't help haha. Best power was 203hp otw with 199nm. 14.4 @ 100mph exit speed.
The reason I'm here Is I have a problem. A friend imported a Y21 g/b from Australia (used in the del sol V-tec). From research it's supposed to be the CTR in spec but with a different LSD. Originally I was under the impression the box had a clutch-type lsd. My mechanic has opened it and said it's a gear type..but not helical. The guy I bought it from said I can use a normal helical lsd (type r) to replace it. Is this possible? It has a 66 tooth pattern(crown?). Please can you advise me in the right direction to get the right part from either a fellow forum member or link.
P.s - our tecs this side came out with a weird 4.266 f/d ratio'd box with a 15/64 config. I'm looking to source a 3rd gear and hub (1.458 - 24/35) as well.
Looking forward to the favourable advice. Busy in the process of going boost...WoOt :D
Sorry that this is my first post...but I guess an Intro is in order. I hail from sunny South Africa :D. I've built a Frank LS tec, had a B20 tec and then a b18 resleeved to 84mm tec. My power figures don't compare to yours...but I guess the 4500feet above see level and crap fuel doesn't help haha. Best power was 203hp otw with 199nm. 14.4 @ 100mph exit speed.
The reason I'm here Is I have a problem. A friend imported a Y21 g/b from Australia (used in the del sol V-tec). From research it's supposed to be the CTR in spec but with a different LSD. Originally I was under the impression the box had a clutch-type lsd. My mechanic has opened it and said it's a gear type..but not helical. The guy I bought it from said I can use a normal helical lsd (type r) to replace it. Is this possible? It has a 66 tooth pattern(crown?). Please can you advise me in the right direction to get the right part from either a fellow forum member or link.
P.s - our tecs this side came out with a weird 4.266 f/d ratio'd box with a 15/64 config. I'm looking to source a 3rd gear and hub (1.458 - 24/35) as well.
Looking forward to the favourable advice. Busy in the process of going boost...WoOt :D
You can use the ITR LSD with the ITR 66 tooth R/G as long as you also use the matching countershaft. The 10 bolt 4.266 has a smaller ring gear hole so it will not fit the ITR LSD. If you want to stay with your current 4.266 FD set than you will need a 10 bolt helical B16 LSD. We can also help you with the 3rd gear and hub. PM me for more details.
Thread Starter
Trial User
Joined: May 2011
Posts: 4
Likes: 0
From: South Africa
Re: LSD queries and sourcing
Try www.synchrotech-transmissions.com
Their service is excellent and shipping really fast too ,even across the world.
Their service is excellent and shipping really fast too ,even across the world.
Thread Starter
Trial User
Joined: May 2011
Posts: 4
Likes: 0
From: South Africa
Re: LSD queries and sourcing
You can use the ITR LSD with the ITR 66 tooth R/G as long as you also use the matching countershaft. The 10 bolt 4.266 has a smaller ring gear hole so it will not fit the ITR LSD. If you want to stay with your current 4.266 FD set than you will need a 10 bolt helical B16 LSD. We can also help you with the 3rd gear and hub. PM me for more details.
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