noz Posted January 5, 2015 Report Share Posted January 5, 2015 i bought a mk1 with over drive but it was not origional not a cvo so iam using that on another car which is an origional cvo but came without engine and box so i am in a bit of a jam every thing seems to be exchange. Link to comment Share on other sites More sharing options...
KevinR Posted January 5, 2015 Report Share Posted January 5, 2015 Simple answer - YES. The main difference is that the 1600 box doesn't have synchromesh on 1st gear, whereas the 2 litre boxes do. So if you can live with crunching into first, or double declutching on the down change, then no problem at all. I'm sure that Pete Lewis will chip in with any other details of minor differences. Link to comment Share on other sites More sharing options...
Pete Lewis Posted January 5, 2015 Report Share Posted January 5, 2015 Yes it is a direct swap, depends if you are happy as kevin says , has a whine and crash on first, spirited take offs with the extra torque of the 2ltr might overload the straight cut teeth. the only difference would be the clutch release , if its still fitted the 1600 had a coil clutch and the release bearing carrier is shorter than whats used on a 2 litre with a diaphragm clutch. Pete Link to comment Share on other sites More sharing options...
GFL Posted January 6, 2015 Report Share Posted January 6, 2015 Do you have the earlier Vitesse '6' Gearbox? If so and you want the reversing light to work you will need to swap over the Reversing light switch and bracket fixed to the remote change fixing bolts (The Vitesse '6' didin't have reversing lights as standard?), it should swop over ok though? I'm not sure on this, but you may also have to swop over the rear drive Flange for the connection to the prop if it's an early 1962-1966 Box, the Vitesse '6' may have 5/16" UNF Bolts instead of the 2 Litre's 3/8" UNF Bolts. As stated by Pete, the 1600 Box is not as strong as the later 2 Litre Gearbox (The 2 Litre box isn't renowed for its strength either!!) Link to comment Share on other sites More sharing options...
Pete Lewis Posted January 6, 2015 Report Share Posted January 6, 2015 Garry the 1600 does have the 3/8 coupling bolts and G box number prefix would be HB for 1600 HC for 2 ltr pete Link to comment Share on other sites More sharing options...
GFL Posted January 6, 2015 Report Share Posted January 6, 2015 Pete I wasn't sure on the Bolts, thanks for clarifying. I did have a 1600 Gear Box once, had it stripped down by a mate and the Layshaft Cluster and a few other useable gears sent out to a guy in the USA, don't know if he ever used the partson his car though Link to comment Share on other sites More sharing options...
Clive Posted January 6, 2015 Report Share Posted January 6, 2015 Are you sure about that? I am certain that the prop used the smaller bolts and the biox and prop both used the "aquare" flange as opposed to the round. The output 1/4 shafts on the diff did use the larger bolts though.... http://www.canleyclassics.com/technical-archive/different-differentials/ covers the diff, http://www.canleyclassics.com/triumph-vitesse-1600-gearbox-mainshaft the gearbox showing the small bolt square flange. Link to comment Share on other sites More sharing options...
noz Posted January 6, 2015 Author Report Share Posted January 6, 2015 thanks for your input on this topic guys but all this talk of crunching and grinding has put me off the idea guess i will have to scour fleebay for the correct box. but worth knowing for a temporary fix. cheers Link to comment Share on other sites More sharing options...
Pete Lewis Posted January 6, 2015 Report Share Posted January 6, 2015 Clive , good point mine was with DType overdrive but prop was 3/8 both ends, the diff 4.11 also had the larger output shafts , it was coded HB and around the 1964 age same as car so thought it was original, this rides against much mis guided 1600 data about them being weeny also hub bearings , another what was fitted and what was listed vary the joys of aging classics Wish I still had the Rorty Vit6 but needs and agism rules apply. Ha.!!! where, s me slippers PETE Link to comment Share on other sites More sharing options...
Clive Posted January 6, 2015 Report Share Posted January 6, 2015 There is much swappage of stuff with all these cars. Yep, the proper vit6 diff had the larger flanges on the output shafts, but were small diameter inside. Rather fragile really. Yours may have been a rebuilt special at some point? Link to comment Share on other sites More sharing options...
Pete Lewis Posted January 7, 2015 Report Share Posted January 7, 2015 some thing we will never unravel, and once upped to a 3.89 its in the happy hunting grounds of exchange units happy new year Pete Link to comment Share on other sites More sharing options...
Herald948 Posted January 8, 2015 Report Share Posted January 8, 2015 Also perhaps noteworthy is the fact that the 1600 box had a 2.93:1 1st gear and reverse gear, while the 2L box had a 2.65:1 1st gear and 3.10:1 reverse. Link to comment Share on other sites More sharing options...
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