EOI: Custom Gemini diff conversion R&D and manufacture
-
- Supreme Overlord
- Posts: 9056
- Joined: Sat May 14, 2005 10:32 pm
- Location: Brisnyland, QLD AKA: NISMOgemini
- Contact:
Ok, trying to get this resurrected.
Maybe having some other forum members call up and ask about it will give him a push in the right direction. If you are keen:
Bosnjak Engineering
Ph: 02 9757 2133
Ask for David
There was 16 that expressed interest so even if 1/4 of that can call then it would be a good thing I reckon.
Maybe having some other forum members call up and ask about it will give him a push in the right direction. If you are keen:
Bosnjak Engineering
Ph: 02 9757 2133
Ask for David
There was 16 that expressed interest so even if 1/4 of that can call then it would be a good thing I reckon.
-
- Long Term Member
- Posts: 5903
- Joined: Sun Jul 09, 2006 6:13 pm
- Location: Albury/Wodonga
- Contact:
You blokes seem to be willing to spend massive amounts to have custom 31 spline axles made.
I have some questions to ask...
When it comes to rear end failures, what power are you putting through the standard Gemini rear end, and what parts are failing? I don't think I've yet read a single post where the 'weak' 23 spline axle has been the part failed. Differential gears seem to be the breaking point according to what I have read.
Now the difference in strength between a 23 spline, 25 spline and 28 spline axle is phenomenal. If people are not breaking 23 spline axles the odds of breaking a 28 spline is really slim. Remember you are putting it into a 1000kg car so it's copping less stress than it would in the substantially heavier car it was designed to be used in.
Do you really need to go to the expense of custom making 31 spline axles? A couple of other points to consider with the bigger axles are, heavier sprung weight and bigger axle means more space needed to accommodate it in the diff centre. What diff centres are you using that have 31 spline axles to begin with?
I have some questions to ask...
When it comes to rear end failures, what power are you putting through the standard Gemini rear end, and what parts are failing? I don't think I've yet read a single post where the 'weak' 23 spline axle has been the part failed. Differential gears seem to be the breaking point according to what I have read.
Now the difference in strength between a 23 spline, 25 spline and 28 spline axle is phenomenal. If people are not breaking 23 spline axles the odds of breaking a 28 spline is really slim. Remember you are putting it into a 1000kg car so it's copping less stress than it would in the substantially heavier car it was designed to be used in.
Do you really need to go to the expense of custom making 31 spline axles? A couple of other points to consider with the bigger axles are, heavier sprung weight and bigger axle means more space needed to accommodate it in the diff centre. What diff centres are you using that have 31 spline axles to begin with?
.
I do not give permission for anyone to reproduce content from my posts.
Reposting any of my forum posts (or substantial parts thereof) breaches the copyright act.
I do not give permission for anyone to reproduce content from my posts.
Reposting any of my forum posts (or substantial parts thereof) breaches the copyright act.
-
- Supreme Overlord
- Posts: 9056
- Joined: Sat May 14, 2005 10:32 pm
- Location: Brisnyland, QLD AKA: NISMOgemini
- Contact:
the stock axels twist the spline of all the time with decent powerGerminator wrote:You blokes seem to be willing to spend massive amounts to have custom 31 spline axles made.
I have some questions to ask...
When it comes to rear end failures, what power are you putting through the standard Gemini rear end, and what parts are failing? I don't think I've yet read a single post where the 'weak' 23 spline axle has been the part failed. Differential gears seem to be the breaking point according to what I have read.
Now the difference in strength between a 23 spline, 25 spline and 28 spline axle is phenomenal. If people are not breaking 23 spline axles the odds of breaking a 28 spline is really slim. Remember you are putting it into a 1000kg car so it's copping less stress than it would in the substantially heavier car it was designed to be used in.
Do you really need to go to the expense of custom making 31 spline axles? A couple of other points to consider with the bigger axles are, heavier sprung weight and bigger axle means more space needed to accommodate it in the diff centre. What diff centres are you using that have 31 spline axles to begin with?
"No thank you, Turkish; I'm sweet enough."
-
- Long Term Member
- Posts: 5903
- Joined: Sun Jul 09, 2006 6:13 pm
- Location: Albury/Wodonga
- Contact:
I remember the time of big heavy cars like the HT 350 GTS Monaro's (180Kw/515Nm) where you had 1400kg of metal being looked after by a 3.36:1 or 3.08:1 ratio 10 bolt Chevy "Positraction" LSD diff. They used 28 spline axles and they didn't break. Same with the GTHO Falcons. Heavier still with an even more torquey engine they used 28 spline axles except in the XY model which used 31 splines. All the rest were 28 spline. I can tell you now, You'd be hard pressed to twist or snap a 28 spline Ford axle unless you were absolutely abusing it and I mean to the point you shouldn't be driving. I think you'll be wasting your money stuffing about getting 31 spline axles made. It's an overkill for such a light weight car as a Gemini. What diffs are you planning on using that have 31 spline centres anyway?
.
I do not give permission for anyone to reproduce content from my posts.
Reposting any of my forum posts (or substantial parts thereof) breaches the copyright act.
I do not give permission for anyone to reproduce content from my posts.
Reposting any of my forum posts (or substantial parts thereof) breaches the copyright act.