ray.h.
|
| posted on 5/4/04 at 07:26 PM |
|
|
Mcsorly plans
One for the RV8 boys.
Which plans are most suitable for the RV8.
The +4 or the +442 or is there another alternative for the SD1 engine with a manual box.
Also what is the best back axle to use.
Ray...
|
|
|
|
|
craig1410
|
| posted on 5/4/04 at 11:33 PM |
|
|
Ray,
I think the 7+4 is the best as it is more popular AFAIK than the 7+442 and hence you can get better advice and benefit from shared knowledge.
For the back axle I'd go with de-dion using the GTS tuning de-dion axle design. This allows you to use a good strong Sierra LSD diff rather than
hunting around for a suitable live axle or going to the complexity of an IRS setup. De-dion also has a reputation for good start line traction which
will come in handy with the V8 pushing you along.
Check out my website where I explain a bit more about my own build. There are many photo's which may be of interest.
I should point out that the GTS de-dion axle is designed for a standard width chassis so you would probably need to design a different mounting
arrangement (like mine for example) to allow it to be fitted to a wider chassis.
HTH,
Craig.
[Edited on 5/4/2004 by craig1410]
|
|
|
blueshift
|
| posted on 6/4/04 at 08:42 AM |
|
|
I am doing 7+4 with rv8 and will be using GTS de dion. I have spoken to darren and need to get in touch with him again to find out if his fabrication
guy is prepared to change the jig to make 7+4 width axles (would mean moving the mounting "ears" out).
If he's not, darren says he can supply the welded up bar and hub carriers with the ears separate for me (you) to weld on ourselves.
|
|
|
Mark Allanson
|
| posted on 6/4/04 at 05:27 PM |
|
|
A Cortina axle is exactly right for a +4, I have used a Capri in a book chassis, but if the Dedion option was available at that stage of the build, I
would have had it like a shot. Much lighter than the ball breaking salisbury (atlas)!!
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
|
|
|
jcduroc
|
| posted on 6/4/04 at 11:04 PM |
|
|
quote:
Originally posted by Mark Allanson
A Cortina axle is exactly right for a +4, I have used a Capri in a book chassis, but if the Dedion option was available at that stage of the build, I
would have had it like a shot. Much lighter than the ball breaking salisbury (atlas)!!
How do identify and/or which are the defining charasteristics of those different axles (Atlas, English, etc...)?
We have an Escort Mk2, a Cortina Mk3 and a Taunus (Cortina) Mk4 rear axles.
JCM
|
|
|
craig1410
|
| posted on 6/4/04 at 11:17 PM |
|
|
Hi,
Not sure which is which but on one the diff is removed through a cover plate on the back of the diff casing and on the other the diff comes away as a
subassembly on the front of the axle assembly. I'm sure someone will post the details or correct me if this is an oversimplification.
Cheers,
Craig.
|
|
|
ray.h.
|
| posted on 7/4/04 at 05:21 PM |
|
|
What axle ratio would you recommend to run with the sd1 manual box.There is a choice of Sierra 2.0 ltr auto,Cort 4.11 or 3.75 or XR4i.
|
|
|
Mark Allanson
|
| posted on 7/4/04 at 06:02 PM |
|
|
Put you details into this calculator and see where your top speed is
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
|
|
|
ray.h.
|
| posted on 7/4/04 at 08:35 PM |
|
|
Yes i know about the calculator,i used it for my pinto where i knew all the variables but my brother has agreed to make a chassis for someone using
RV8 but we don,t have the info on the gear ratios. I was hoping someone could stear us in the right direction with the limited information we do have.
|
|
|
Mark Allanson
|
| posted on 7/4/04 at 08:49 PM |
|
|
Its not 'the calculator', its my calculator, and it has the gear ratio's for a 3.5 V8 Rover box added to it - all you have to do is
add the tyre size, play around with the diff ratio until you have the top speed in any given gear you want
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
|
|
|
ray.h.
|
| posted on 7/4/04 at 09:08 PM |
|
|
Sorry i,ll find out what tyre size he wants to use and what he wants the car to do(top speed,acceleration)and i,ll use your calculator to help him
chose a back axle.
Thanks loads Ray...
|
|
|
James
|
| posted on 8/4/04 at 08:27 AM |
|
|
Nice one Mark! That's really cool.
It's especially nice to see I'll be able to do 180mph with my Pinto! 
Cheers,
James
|
|
|
