Autobox for use with Rover V8 ?
Discussion
I've become involved on the edges of a front engine dragster project that will likely run Rover V8 power.
Funds are extremely tight so it seems that either Borg Warner BW35 or BW65 unit will be used as these were OEM fit.
We understand that BW65 was generally considered superior to BW35, but also understand that neither unit was considered particularly good as a drag racing unit.
Perhaps other OEM gearboxes have been fitted and would be better ?
Does anyone have any experience related advice on suitability or "improvements" that can be made to stock unit to improve expected service life or performance that they would be willing to share on this one ?
Thanks in advance...
Jon
Funds are extremely tight so it seems that either Borg Warner BW35 or BW65 unit will be used as these were OEM fit.
We understand that BW65 was generally considered superior to BW35, but also understand that neither unit was considered particularly good as a drag racing unit.
Perhaps other OEM gearboxes have been fitted and would be better ?
Does anyone have any experience related advice on suitability or "improvements" that can be made to stock unit to improve expected service life or performance that they would be willing to share on this one ?
Thanks in advance...
Jon
neither are of anys serious longterm use for a dragster. You can't buy uprated components such as high stall convertors, manual valve bodies or decent shifter for them. The best autobox you could use would be a chevy TH350 bolted up through an adapter plate. This gives you a wide range of secondhand boxes, spared and convertors that are suitable for drag racing. A high stall convertor will allow you to leave at higher RPM, rather than idle.
I don't ebelive theres an adapter kit commerically available but they do crop up on ebay or Eurodragster occasionally.
Going to that trouble to fit it behind a Rover is easy in theory and a better option than any Rover box, but it's a bit of a false economy as a Rovers very expensive to tune for decent power anyway. You maybe better biting the bullet now and finding a Small Block 350/TH350 combo. Should be cheaper to tune, give you more power/torque and allow you to launch harder it harder with an infinite range fo convertors available.
Probably not want you wanted to hear but the Rover's had it's day really.
I don't ebelive theres an adapter kit commerically available but they do crop up on ebay or Eurodragster occasionally.
Going to that trouble to fit it behind a Rover is easy in theory and a better option than any Rover box, but it's a bit of a false economy as a Rovers very expensive to tune for decent power anyway. You maybe better biting the bullet now and finding a Small Block 350/TH350 combo. Should be cheaper to tune, give you more power/torque and allow you to launch harder it harder with an infinite range fo convertors available.
Probably not want you wanted to hear but the Rover's had it's day really.
Agree with what Phil has already said. We seriously looked into putting a rover in our rail as it looked like a good budget option. After doing a lot of research we found that not to be the case though. The off the shelf parts are just not available for them, so things like tunning them and putting a decent gearbox behind them becomes a pain in the backside and expensive. A stock small block can be picked up pretty cheap and should perform better and be more reliable than a mildly tuned Rover costing twice as much.
Gents,
Thanks for the feedback.
Perhaps I should have made myself a little clearer, this is somebody elses project I'm on the edges of and I'm equiring on their behalf.
The car is intended to be more like a point and squirt RWYB toy rather than a serious race car. As such nothing wild is planned. Pretty much stock everything and likely footbrake launching.
My own longterm project is a RED that will run methanol injected SBC and transbraked long glide. I have the chassis and some of the parts already and the whole thing is laid up for long term storage until I can accumulate enough disposable income to finish it...
Jon
Thanks for the feedback.
Perhaps I should have made myself a little clearer, this is somebody elses project I'm on the edges of and I'm equiring on their behalf.
The car is intended to be more like a point and squirt RWYB toy rather than a serious race car. As such nothing wild is planned. Pretty much stock everything and likely footbrake launching.
My own longterm project is a RED that will run methanol injected SBC and transbraked long glide. I have the chassis and some of the parts already and the whole thing is laid up for long term storage until I can accumulate enough disposable income to finish it...
Jon
Gents,
Thanks for the feedback.
Perhaps I should have made myself a little clearer, this is somebody elses project I'm on the edges of and I'm equiring on their behalf.
The car is intended to be more like a point and squirt RWYB toy rather than a serious race car. As such nothing wild is planned. Pretty much stock everything and likely footbrake launching.
My own longterm project is a RED that will run methanol injected SBC and transbraked long glide. I have the chassis and some of the parts already and the whole thing is laid up for long term storage until I can accumulate enough disposable income to finish it...
Jon
Thanks for the feedback.
Perhaps I should have made myself a little clearer, this is somebody elses project I'm on the edges of and I'm equiring on their behalf.
The car is intended to be more like a point and squirt RWYB toy rather than a serious race car. As such nothing wild is planned. Pretty much stock everything and likely footbrake launching.
My own longterm project is a RED that will run methanol injected SBC and transbraked long glide. I have the chassis and some of the parts already and the whole thing is laid up for long term storage until I can accumulate enough disposable income to finish it...
Jon
It's fixable... said:
this is somebody elses project I'm on the edges of and I'm equiring on their behalf.
The same advice still applies, though. They'd be better off flogging the Rover for whatever they can get for it on ebay, and putting the funds towards a SBC/TH350 instead, even for just occasional RWYB use. In all likelihood, it still wouldn't stretch the budget too much in the short term, and is definitely going to save money in the long run. I too looked at Rover power for my Capri, but am very glad I went the Chevy route in the end.been there and done it myself, started with a Essex V6 slingshot, wanted more, put a Rover in it, wanted more, sold the slingshot now run a big block altered running mid 8's.
I had ported heads, full race cam, offy intake, holley carb stock stroke and should have been about 225 bhp, managed 12.01 @ 115 or so. My friend was running 11's with a stock 305 in his altered with a 650 holley on it. He built his race engine whilst running the stock block, then just swapped them over.
If your mate buys a rotten but running later model Chevy Camaro with a 350/TH350 combo, he'll have everything he needs to get going, prob for less than £500. Sell the axle, interior and screen on ebay, weight the rest in. Plus as you run a SBC, you can sell him your bits when you upgrade or change your set up ?.
Why not come and run with the Wild Bunch, both your cars should be suitable even those long car with the engine in back.
I had ported heads, full race cam, offy intake, holley carb stock stroke and should have been about 225 bhp, managed 12.01 @ 115 or so. My friend was running 11's with a stock 305 in his altered with a 650 holley on it. He built his race engine whilst running the stock block, then just swapped them over.
If your mate buys a rotten but running later model Chevy Camaro with a 350/TH350 combo, he'll have everything he needs to get going, prob for less than £500. Sell the axle, interior and screen on ebay, weight the rest in. Plus as you run a SBC, you can sell him your bits when you upgrade or change your set up ?.
Why not come and run with the Wild Bunch, both your cars should be suitable even those long car with the engine in back.
I used to run a 3.5 rover in a slingshot and I also had a 65 which was rubbish so I had an adaptor made to take a powerglide which I got from TCI although there are people over here that could trick the box for you then I got a 4,000 stall convertor from TCI. Smartened the old girl up no end added a 100hp nitrous and ran 10.3 at 139mph (nitrous only in top gear due to ste axle!)
thats good going with a Rover esp with a glide. I reckon you might have gone quicker with a TH350. Rover doesn't have the torque really for a 2 spd.
I estimated my manual box was costing me at least a second if not more on a run. 4 hearchanges, even if each gearchange was 3/10ths thats 1.2 seconds, but was fun off the line.
I estimated my manual box was costing me at least a second if not more on a run. 4 hearchanges, even if each gearchange was 3/10ths thats 1.2 seconds, but was fun off the line.
Steve, I remember the car in red and yellow livery; called Autocat ?
That is the general inspiration behind my mates idea. What axle were you using ?
Phil, Tet, Eliot, all wise words I will pass onto my mate, especially the crusty Camaro idea.
Nonetheless he seems addicted to the idea of a Rover. He already has a "built" one in his Crapi complete with N2O...
My sister and brother in law live in British Columbia and could ship us a running cutout 4-bolt BBC with TH400 at about £800 all in delivered duty paid to the door but he wasn't interested in that even when I told him he could run exiting numbers all day without any issues.
Many thanks...
Jon
That is the general inspiration behind my mates idea. What axle were you using ?
Phil, Tet, Eliot, all wise words I will pass onto my mate, especially the crusty Camaro idea.
Nonetheless he seems addicted to the idea of a Rover. He already has a "built" one in his Crapi complete with N2O...
My sister and brother in law live in British Columbia and could ship us a running cutout 4-bolt BBC with TH400 at about £800 all in delivered duty paid to the door but he wasn't interested in that even when I told him he could run exiting numbers all day without any issues.
Many thanks...
Jon
It's fixable... said:
Steve, I remember the car in red and yellow livery; called Autocat ?
That is the general inspiration behind my mates idea. What axle were you using ?
Phil, Tet, Eliot, all wise words I will pass onto my mate, especially the crusty Camaro idea.
Nonetheless he seems addicted to the idea of a Rover. He already has a "built" one in his Crapi complete with N2O...
My sister and brother in law live in British Columbia and could ship us a running cutout 4-bolt BBC with TH400 at about £800 all in delivered duty paid to the door but he wasn't interested in that even when I told him he could run exiting numbers all day without any issues.
Many thanks...
Jon
yes that is the one, the axle was the weak point it was a C series axle (austin westminster)That is the general inspiration behind my mates idea. What axle were you using ?
Phil, Tet, Eliot, all wise words I will pass onto my mate, especially the crusty Camaro idea.
Nonetheless he seems addicted to the idea of a Rover. He already has a "built" one in his Crapi complete with N2O...
My sister and brother in law live in British Columbia and could ship us a running cutout 4-bolt BBC with TH400 at about £800 all in delivered duty paid to the door but he wasn't interested in that even when I told him he could run exiting numbers all day without any issues.
Many thanks...
Jon
it would break pinions regularly I wanted to fit an 8 3/4 Chrysler axle as it is a little more compact than a 9 inch Ford but I decided I'd had enough and sold the lot
PhilSweeney said:
thats good going with a Rover esp with a glide. I reckon you might have gone quicker with a TH350. Rover doesn't have the torque really for a 2 spd.
I estimated my manual box was costing me at least a second if not more on a run. 4 hearchanges, even if each gearchange was 3/10ths thats 1.2 seconds, but was fun off the line.
with the nitrous and using it in top gear it almost became a 3 speed! the engine note was very noticaeble to the extent people thought I had a three speed! if the axle was stronger 9's would have been a doddle!I estimated my manual box was costing me at least a second if not more on a run. 4 hearchanges, even if each gearchange was 3/10ths thats 1.2 seconds, but was fun off the line.
Not 100% easy, but 727 Torqueflite is possible. They were fitted to 83-85 Range Rover which will supply you with the convertor, adaptor plate, gearbox front housing and internals etc. You'll then need the tailshaft and housing from a 2WD applictaion to fit.
Obviously plenty of upgrade parts, shfit kits etc for 727 if you need them.
Russ
Obviously plenty of upgrade parts, shfit kits etc for 727 if you need them.
Russ
Flying Toilet said:
Jon C said:
Out of interest, what transmission does Steve Green run in the Cortina? Dan?
Steve runs a Liberty 5 speed.Edited by Flying Toilet on Wednesday 22 April 14:42
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