stef
Rover Rookie
Posts: 45
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Post by stef on Oct 20, 2017 7:46:24 GMT
Hello What are the differences between BW35 and BW65? Is there any interest in installing a BW65 on a P5 ? stef
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Post by enigmas on Oct 20, 2017 8:39:12 GMT
It has exactly the same ratios (if not gear train), is a bit more compact and uses a different rear servo arrangement for application of the rear band. This would be more interesting and would be ideal for the 3 litre P5 Mk3 as it uses a BW35. Not sure how it would go behind a P5B...but it is an affordable option with an overdrive albeit not lockup. BW35 to AW70
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stef
Rover Rookie
Posts: 45
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Post by stef on Oct 20, 2017 11:14:21 GMT
I have a BW65 of P6 in stock, and I just wanted to know if there was a better comfort of use and reliability than BW35!? Stef
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Post by harvey on Oct 20, 2017 13:25:14 GMT
I have a BW65 of P6 in stock, and I just wanted to know if there was a better comfort of use and reliability than BW35!? Stef It's a more reliable box, even though it uses a lot of the same internals as the BW35. The servos are integral to the casing, so the BW35 rear servo problems are a thing of the past. Probably the one weak point on the BW65 is they have "anti-bump" on the front clutch to soften the engagement and that is prone to failing. If you're really keen you can subsitute the BW35 front drum to eliminate that problem. The 65 is a bit more difficult to fit in the P5B as it has to be fitted as a complete unit with the bellhousing and the converter. You'd have to do some simple fabrication to make a rear mounting using P5B and P6B bits, and ideally use the P6B selector cable which would need a mounting bracket on the underside of the tunnel. It's all a bit of work to still end up with a 3 speed, but if you have a good unit under the bench, can do the work yourself, and intend keeping the car happily using a 3 speed, I'd say it's worth doing.
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stef
Rover Rookie
Posts: 45
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Post by stef on Oct 22, 2017 8:20:18 GMT
Hello;
I think because it represents a little work for little benefit!?? Stef
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Post by harvey on Oct 22, 2017 13:01:36 GMT
I think because it represents a little work for little benefit!?? I'd say that sums it up just about perfectly.
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