6 speed box into a classic -what are the problems?
02 April 2005, 05:52 AM
#1
6 speed box into a classic -what are the problems?
Hi all,
as the synchro seems to have gone on my Type R 5th gear & cruising is not ideal I'm seriously considering the 6 speed box.
I've worked out (tks to Harvey Smith) with the UK 2005 STI box ratios I could probably get another 10 mph at 4000 in top which would be ideal.
Anyone know:
a) Are all the bug eye/blob eye UK 6 speed boxes the same?
b) What other pitfalls should I look out for?
c)How do I ensure I end up with the correct end result ie are there output gears on the box which you can change independent of the actual 6 internal ratios?Sorry complete dumbass re cars, know a little more re bikes;-)
I absolutely DO NOT want to raise the overall gearing I love the acceleration away from the lights,just that a true 74mph at 4000 rpm makes for slow & noisy progress on a motorway.
Cheers,John
as the synchro seems to have gone on my Type R 5th gear & cruising is not ideal I'm seriously considering the 6 speed box.
I've worked out (tks to Harvey Smith) with the UK 2005 STI box ratios I could probably get another 10 mph at 4000 in top which would be ideal.
Anyone know:
a) Are all the bug eye/blob eye UK 6 speed boxes the same?
b) What other pitfalls should I look out for?
c)How do I ensure I end up with the correct end result ie are there output gears on the box which you can change independent of the actual 6 internal ratios?Sorry complete dumbass re cars, know a little more re bikes;-)
I absolutely DO NOT want to raise the overall gearing I love the acceleration away from the lights,just that a true 74mph at 4000 rpm makes for slow & noisy progress on a motorway.
Cheers,John
02 April 2005, 06:07 AM
#2
Search the subject on this Section, or talk to Dvid at www.apiengines.co.uk as he really knows all the swings and roundabouts.(and there are some)
He will supply/install/warranty the job.
The gearbox weighs a lot more so some accelleration will be lost, but you may not notice it on the road. Least you can go 'drag racing' with confidence!
Read MarkA's thread on the Projects Section, he is just about to do his in public.
Also check out www.22B.co.uk as the ratio availability details are on there too.
From memory, you will need the Jap spec box (Sti8) but if you have dccd and want to keep it, then the cost could be high.
Call David for no bullsh!t advice. Just tell him '911' sent you, though he might curse.
Graham
He will supply/install/warranty the job.
The gearbox weighs a lot more so some accelleration will be lost, but you may not notice it on the road. Least you can go 'drag racing' with confidence!
Read MarkA's thread on the Projects Section, he is just about to do his in public.
Also check out www.22B.co.uk as the ratio availability details are on there too.
From memory, you will need the Jap spec box (Sti8) but if you have dccd and want to keep it, then the cost could be high.
Call David for no bullsh!t advice. Just tell him '911' sent you, though he might curse.
Graham
02 April 2005, 02:40 PM
#3
Many Thanks 911, I was going to call API anyway
Forgot about the DCCD, I've only had the car a couple of months & not really played with it but I would like to retain it.Oh dear the bank manager will be upset .....again!
Cheers,John
Forgot about the DCCD, I've only had the car a couple of months & not really played with it but I would like to retain it.Oh dear the bank manager will be upset .....again!
Cheers,John
02 April 2005, 04:57 PM
#5
Drag it!
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er nope, they dont steve, thats just someone who doesnt know the axle stubbs come out easily.
most boxes i have seen that seem to originate from Ireland, seem to have the axle stubs missing. Easy to fix.
most boxes i have seen that seem to originate from Ireland, seem to have the axle stubs missing. Easy to fix.
02 April 2005, 06:14 PM
#6
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Hi! l'll be happy to talk to you about the 'ins and outs' I'm not in the office on Monday, but if you'd care to call Tuesday, l'll talk you through with no obligation. 01926 614333
We have about 5 or so in stock at the mo., including ones with dccd. There really isn't much to it in terms of fitting or snags.
David APi Engines / APi lmpreza
www.apiengines.com
We have about 5 or so in stock at the mo., including ones with dccd. There really isn't much to it in terms of fitting or snags.
David APi Engines / APi lmpreza
www.apiengines.com
Originally Posted by johnwiz
Many Thanks 911, I was going to call API anyway
Forgot about the DCCD, I've only had the car a couple of months & not really played with it but I would like to retain it.Oh dear the bank manager will be upset .....again!
Cheers,John
Forgot about the DCCD, I've only had the car a couple of months & not really played with it but I would like to retain it.Oh dear the bank manager will be upset .....again!
Cheers,John
02 April 2005, 06:16 PM
#7
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Originally Posted by P20SPD
er nope, they dont steve, thats just someone who doesnt know the axle stubbs come out easily.
most boxes i have seen that seem to originate from Ireland, seem to have the axle stubs missing. Easy to fix.
most boxes i have seen that seem to originate from Ireland, seem to have the axle stubs missing. Easy to fix.
David APi Engines / APi Impreza
www.apiengines.com
Last edited by APIDavid; 02 April 2005 at 06:18 PM.
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02 April 2005, 06:17 PM
#8
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Originally Posted by 911
Search the subject on this Section, or talk to Dvid at www.apiengines.co.uk as he really knows all the swings and roundabouts.(and there are some)
He will supply/install/warranty the job.
The gearbox weighs a lot more so some accelleration will be lost, but you may not notice it on the road. Least you can go 'drag racing' with confidence!
Read MarkA's thread on the Projects Section, he is just about to do his in public.
Also check out www.22B.co.uk as the ratio availability details are on there too.
From memory, you will need the Jap spec box (Sti8) but if you have dccd and want to keep it, then the cost could be high.
Call David for no bullsh!t advice. Just tell him '911' sent you, though he might curse.
Graham
He will supply/install/warranty the job.
The gearbox weighs a lot more so some accelleration will be lost, but you may not notice it on the road. Least you can go 'drag racing' with confidence!
Read MarkA's thread on the Projects Section, he is just about to do his in public.
Also check out www.22B.co.uk as the ratio availability details are on there too.
From memory, you will need the Jap spec box (Sti8) but if you have dccd and want to keep it, then the cost could be high.
Call David for no bullsh!t advice. Just tell him '911' sent you, though he might curse.
Graham
Thanks for the plug Graham.
David APi Engines / APi Impreza
www.apiengines.com
02 April 2005, 07:26 PM
#9
Originally Posted by P20SPD
er nope, they dont steve, thats just someone who doesnt know the axle stubbs come out easily.
most boxes i have seen that seem to originate from Ireland, seem to have the axle stubs missing. Easy to fix.
most boxes i have seen that seem to originate from Ireland, seem to have the axle stubs missing. Easy to fix.
ive just added a 6 speed to mine and it needed the drive shafts as the splines go directly into the gearbox, so when the salvage yard remove the drive shafts the splines you need are on the driveshafts
they wont split either as they reckon its the drive shaft ruinedjust read david post and my box is from the newest JDM impreza
03 April 2005, 09:16 AM
#10
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Steve, the scrapyards seem to remove the driveshafts from the gearbox by pulling hard, so pulling the axle stubs out of the box at the same time.
What they should do is knock the dowell pin out that holds the driveshaft to the axle stubb, and then slide the driveshaft off the axle stubb.
You can buy the specific parts from subaru, for circa £90 i think, and then your original drive shafts will slide on.
Sounds like david has a different solution, but not sure what.
Steve, if your saying you have sti drive shafts on your uk classic, then i think you could have a problem (unless its already been covered), that is basically the sti has a wider track than a classic car, so the drive shafts are longer.
Steven
What they should do is knock the dowell pin out that holds the driveshaft to the axle stubb, and then slide the driveshaft off the axle stubb.
You can buy the specific parts from subaru, for circa £90 i think, and then your original drive shafts will slide on.
Sounds like david has a different solution, but not sure what.
Steve, if your saying you have sti drive shafts on your uk classic, then i think you could have a problem (unless its already been covered), that is basically the sti has a wider track than a classic car, so the drive shafts are longer.
Steven
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