p1 gear box ect
20 February 2009, 05:57 PM
#1
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p1 gear box ect
ok, i have a uk 95 classic.
i'm wanting a closer ratio box, and found a p1 box
will i nned anything for this box to fit.
the box has the diff & prop shaft
or is there another box worth getting.
thanks in advance
i'm wanting a closer ratio box, and found a p1 box
will i nned anything for this box to fit.
the box has the diff & prop shaft
or is there another box worth getting.
thanks in advance
20 February 2009, 06:18 PM
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You will need to make up some means of bolting on the starter motor else it will be only held on by 1 bolt.
I tapped the hole and made a special stud on the lathe.
I tapped the hole and made a special stud on the lathe.
20 February 2009, 06:20 PM
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are they different then mate. anything else to worry about
or just this issue. whats different from the uk early classic to the p1 starter motor
or just this issue. whats different from the uk early classic to the p1 starter motor
20 February 2009, 06:24 PM
#6
JDM WRX Type RA - MY97/98
G/B code: TY752VB5BA
1st.................. 3.083
2nd................. 2.062
3rd................. 1.545
4th.................. 1.151
5th.................. 0.825
Final Drive..... 4.444:1
The above is the best combo - you'll need the gearbox and matching 4.444 rear diff. This has the shortest rear diff available and 2nd to 5th ratios are even shorter than the WRX's - so will be waaaay shorter than your UK ratios! It'll be mental!
The P1, whist having quite short internal ratios, has a pretty tall FD at only 3.333: 1 (taller even, than your existing 3.416:1 one
)
G/B code: TY752VB5BA
1st.................. 3.083
2nd................. 2.062
3rd................. 1.545
4th.................. 1.151
5th.................. 0.825
Final Drive..... 4.444:1
The above is the best combo - you'll need the gearbox and matching 4.444 rear diff. This has the shortest rear diff available and 2nd to 5th ratios are even shorter than the WRX's - so will be waaaay shorter than your UK ratios! It'll be mental!
The P1, whist having quite short internal ratios, has a pretty tall FD at only 3.333: 1 (taller even, than your existing 3.416:1 one
)
Last edited by joz8968; 20 February 2009 at 06:33 PM.
20 February 2009, 06:27 PM
#7
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or well, a little to late.
but the p1 box should be a lot better than my uk one?
my car only got 291bhp, the torque was quite low too.
this was becouse of the long ratios in the old uk box.
even slightly closer should be better.
but the p1 box should be a lot better than my uk one?
my car only got 291bhp, the torque was quite low too.
this was becouse of the long ratios in the old uk box.
even slightly closer should be better.
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20 February 2009, 06:27 PM
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Your engine block wont be tapped to take a bolt, as originally its a 4 bolt fixing to box, the P1 box is 8 bolt of which 2 are used to mount the starter and go thru to the engine block.
If you look at your original box, one hole is tapped the other is clearance as the bolt goes to the block. On a P1 both are clearance.
If you look at your original box, one hole is tapped the other is clearance as the bolt goes to the block. On a P1 both are clearance.
20 February 2009, 08:46 PM
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JDM WRX Type RA - MY97/98
G/B code: TY752VB5BA
1st.................. 3.083
2nd................. 2.062
3rd................. 1.545
4th.................. 1.151
5th.................. 0.825
Final Drive..... 4.444:1
The above is the best combo - you'll need the gearbox and matching 4.444 rear diff. This has the shortest rear diff available and 2nd to 5th ratios are even shorter than the WRX's - so will be waaaay shorter than your UK ratios! It'll be mental!
The P1, whist having quite short internal ratios, has a pretty tall FD at only 3.333: 1 (taller even, than your existing 3.416:1 one)
G/B code: TY752VB5BA
1st.................. 3.083
2nd................. 2.062
3rd................. 1.545
4th.................. 1.151
5th.................. 0.825
Final Drive..... 4.444:1
The above is the best combo - you'll need the gearbox and matching 4.444 rear diff. This has the shortest rear diff available and 2nd to 5th ratios are even shorter than the WRX's - so will be waaaay shorter than your UK ratios! It'll be mental!
The P1, whist having quite short internal ratios, has a pretty tall FD at only 3.333: 1 (taller even, than your existing 3.416:1 one
)all im after is better pic up.
20 February 2009, 08:49 PM
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Your engine block wont be tapped to take a bolt, as originally its a 4 bolt fixing to box, the P1 box is 8 bolt of which 2 are used to mount the starter and go thru to the engine block.
If you look at your original box, one hole is tapped the other is clearance as the bolt goes to the block. On a P1 both are clearance.
If you look at your original box, one hole is tapped the other is clearance as the bolt goes to the block. On a P1 both are clearance.
but it does fit when the 4 bolts are on?
im trying to get some where to fit it. as i havent got the time.
but if i have to then, i have to.
apart from this little issue. is there anything else mate
thanks for the insight
20 February 2009, 08:54 PM
#13
It WILL give you significantly better accleration through all gears - to a very noticable degree!
It will more than meet your brief 
- just ask mit...
14 March 2009, 09:59 AM
#16
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& helicoiled the end on the p1 box. works a treat.
but i want to make sure this box is perfect before i put it on.
what can i check, just to make sure is good
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