John,Originally Posted by strat6v
I had a solution in mind for that, but as I've reverted to 4 pots, that's as far as it went.
I can see the sense in Geraint retaining the 5 speed. Then all it needs is the oil filter/foot mount mod. 'Same as your's.
It's less work to do that way. Leave all the mounts as they are, leave the gear shift as it is.
Facility is there on old alfa gearboxes, albeit slightly different.
Getting 6th on a six speed is NOT a problem Ger - no where near reverse, don't let that put you off if thats your only concern.
The gate across to reverse is much further across and not a problem. Unless you are in the habit of going to 6th from anything other than 5th you'll only ever be going straight back. I've never missed reverse and got 6th instead ever either.....
maybe its testiment to JH's linkage design or the set up I've done but not ever had a problem with it. On saying that though I'd not worry that much about going back to a 5 speed if I had to. May be straightforward for you as Chris says.
What I think may need some thought is swapping flywheels, you could be lucky and just make it a bit lumpier. But could also ruin your mint smooth engine without a rebalance (or worse). If you are set on that though, If I remember right I think the 156 2.5 was the lightest.
I don't think mine is particularly light but still picks up and revs like a bike.
...however I wouldn't recommend dropping a paddle clutch at 7000 RPM on a 6 speed with hot sticky tyres...........2nd box (strengthend) now in service and going well ..but the ratio benefits outweigh the drawbacks...
Last edited by Sando; 14-11-2011 at 21:32.
I've never driven an Alfa engined car, but I mentioned to Geraint (at the NEC) that people had about the top gear on a 6 speed being great for Motorway use. The thing is, Geraint said (if I remember right?) that he'll use the car for sprints and stuff, so that's another reason for sticking with the 5 speed?
Useful comments from Rob's experience with 6 speed, I could be compromising the smoothness of the existing setup, and creating problems with adapting to a 5 speed. Are all these cabled selectors, and would someone have photos available showing the linkages. John could you supply the selector parts? Rob would you have photos showing how you've strengthend the box?
All thats required is a new rear section of linkage, your frontbit with lever and the centre bits all stay the same. I can supply the rear linkage bits if you want, will have to work out a price.
I've got a photo here of John's linkage Geraint. I can email it. 'Won't post it on this forum, unless John doesn't mind.
If you could supply the linkages and work out a price for me that would be great John some photos would be useful as well.
I put a GTA box on my 12V motor. Gear linkage took a bit of work (mostly by CJ with minor tweaks by me). After some tinkering, the reverse lockout worked a treat - gearchanges were lovely. My motivation for the swap was changing an old (but OK) 5 speed for a relatively new GTA box with Q2 as at the time, I had intended keeping the car. If you happened across a NOS 24V 164 box it would be an excellent option for your situtation I'd think.
Did you have to modify the GTA box to fit the 12v. Did you use the GTA flywheel and clutch assembly?
Posting Permissions
Reply With Quote
Bookmarks