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by DaveEFI
Thu Nov 04, 2021 4:22 pm
Forum: Drivetrain & Transmission Area
Topic: Can Rover sd1 2.4 TD gearbox be fitted to v8 engine?
Replies: 7
Views: 5807

Re: Can Rover sd1 2.4 TD gearbox be fitted to v8 engine?

The diesel SD1 isn't covered in my BL SD1 manual, but I'd guess it has different gearbox ratios. Late Vitesse have different ratios from other SD1 too.
by DaveEFI
Thu Nov 04, 2021 2:30 pm
Forum: Drivetrain & Transmission Area
Topic: Automatic gearbox oil temperature
Replies: 12
Views: 8760

Re: Automatic gearbox oil temperature

You could, of course, do as the SD1 does. The transmission cooler is in the rad. So will be heated too under some circumstances. And fill your trans up with coolant and turn your rad into strawberry milkshake when it springs a leak :) Not something I've heard of. :D It is simply a pipe looped throu...
by DaveEFI
Wed Nov 03, 2021 1:13 pm
Forum: Engines Area
Topic: Engine fails to start after rebuild.
Replies: 18
Views: 5811

Re: Engine fails to start after rebuild.

What we need is the cam driven by a servo motor, so MegaSquirt can adjust the timing. :lol:
by DaveEFI
Wed Nov 03, 2021 9:38 am
Forum: Engines Area
Topic: Engine fails to start after rebuild.
Replies: 18
Views: 5811

Re: Engine fails to start after rebuild.

Must admit I've never understood this. They can machine a cam so all the valve timings are correct for each cylinder - but get the keyway position wrong?
by DaveEFI
Thu Oct 28, 2021 6:23 pm
Forum: Engines Area
Topic: Crank pulley
Replies: 3
Views: 970

Crank pulley

Pal has got a very stuck crank pulley on an SD1. Needed to be removed to replace the oil seal. Broke the pulley when using a puller. Any ideas why? Says the oil seal was replaced only a few years ago - and it came on and off easily then. Bolt seemed to be at a normal torque - ie pretty tight.
by DaveEFI
Wed Oct 27, 2021 5:48 pm
Forum: Drivetrain & Transmission Area
Topic: Automatic gearbox oil temperature
Replies: 12
Views: 8760

Re: Automatic gearbox oil temperature

You could, of course, do as the SD1 does. The transmission cooler is in the rad. So will be heated too under some circumstances.
by DaveEFI
Sat Oct 23, 2021 1:49 pm
Forum: General Chat Area
Topic: The end of our cars?
Replies: 10
Views: 16640

Re: The end of our cars?

Mate in the US (CA) has an SD1. The federal version of that uses a version of the Lucas 4CU injection - which is getting very long in the tooth, and some new spares difficult. Their 'MOT' is very hot on any mods. So I built an MS2 into the 4CU case for him. And managed to make it pretty well P&P, wi...
by DaveEFI
Wed Oct 13, 2021 12:21 pm
Forum: Engines Area
Topic: P38 Rover V8s
Replies: 8
Views: 5825

Re: P38 Rover V8s

In terms of the electronics, I've no idea how good the Gems system is. To do a real comparison between the inlet manifold designs, you'd need to use a properly tuned after market ECU with both (like say a MegaSquirt) Peak power has really not much to do with a standing quarter mile figure (within re...
by DaveEFI
Fri Oct 08, 2021 10:50 pm
Forum: Engines Area
Topic: P38 Rover V8s
Replies: 8
Views: 5825

Re: P38 Rover V8s

The long tract inlet system on the Thor is designed to maximize lower RPM torque, since it is fitted to a 4x4. The original Lucas injection which all the previous engines shared as regards the inlet design was originally meant for the Vitesse, a sports saloon.
by DaveEFI
Thu Sep 30, 2021 11:42 am
Forum: Drivetrain & Transmission Area
Topic: Shorten a bellhousing or get a tiny propshaft
Replies: 26
Views: 8004

Re: Shorten a bellhousing or get a tiny propshaft

Looking at mine, I reckoned you'd not need a plate after cutting out the unwanted bit - just weld the two 'halves' together. But beyond my expertise to say how you'd keep them aligned.
by DaveEFI
Thu Sep 30, 2021 9:09 am
Forum: Engines Area
Topic: Install Megasquirt on 3.9. Need help
Replies: 4
Views: 1692

Re: Install Megasquirt on 3.9. Need help

Could be just me, but finding the bits I want in the manual can be confusing/long winded. So many different sections covering what I consider the same thing. So more an indexing thing. Can be worth editing it into one which only contains the bits you need. And then perhaps printing it out. I started...
by DaveEFI
Tue Sep 28, 2021 11:42 am
Forum: Drivetrain & Transmission Area
Topic: Shorten a bellhousing or get a tiny propshaft
Replies: 26
Views: 8004

Re: Shorten a bellhousing or get a tiny propshaft

The TC only really does any work below about 2000 rpm. And IIRC on the ZF gets locked out in top gear anyway. It would be doing its hardest work towing at low speeds in mud, etc. And is likely specced for that sort of thing. A Range Rover is a pretty heavy vehicle with a good towing capability. And ...
by DaveEFI
Tue Sep 28, 2021 9:58 am
Forum: Drivetrain & Transmission Area
Topic: Shorten a bellhousing or get a tiny propshaft
Replies: 26
Views: 8004

Re: Shorten a bellhousing or get a tiny propshaft

ratwing wrote:
Tue Sep 28, 2021 9:23 am
DaveEFI wrote:
Mon Sep 27, 2021 5:05 pm
What mods are needed to mate the B-W bell housing to the ZF box?
Apparently the transmission end is machined off and a plate with the ZF pattern is welded on.
That would be because there is no ZF bell housing to fit the Stag engine. There is for the RV8.
by DaveEFI
Tue Sep 28, 2021 8:51 am
Forum: Drivetrain & Transmission Area
Topic: Shorten a bellhousing or get a tiny propshaft
Replies: 26
Views: 8004

Re: Shorten a bellhousing or get a tiny propshaft

Would you need the largest TC LR used on a light vehicle like a trike?
by DaveEFI
Mon Sep 27, 2021 5:05 pm
Forum: Drivetrain & Transmission Area
Topic: Shorten a bellhousing or get a tiny propshaft
Replies: 26
Views: 8004

Re: Shorten a bellhousing or get a tiny propshaft

What mods are needed to mate the B-W bell housing to the ZF box?

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