series v8 build help - Defender Source
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  #1  
Old June 30th, 2010, 11:36 PM
orionpco
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larry burns
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series v8 build help

ok, i have a 3.5 (being rebuilt with alot of good advice from d & d fab) rover v8 to series trans adapter (milner) a r380 being converted to a short bell housed version (ashcroft trans- kit)

Question #1
what im missing here is which flywheel and clutch set up do i use with this setup?

Question #2
i have both uj and cv axles i could use in this project and could use the series tc or the lt230 tc, any advice to which one i should use?

Question #3
what in the hell possed me to get ass deep in this endeaver?
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  #2  
Old July 1st, 2010, 07:14 AM
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1. Early Range Rover flywheel and clutch.

2.W/ Series TC you get easy 2wd and is plenty strong easy to deal with. The LT230 will fit the R380 w/o adaptor. I'd go with the LT230. Use regular UJ driveshafts unless you have some unequal angles to deal with and are worried about vibrations.

3. It's well known that I ask myself this question multiple times daily so probably not qualified to answer.

I have done this conversion and have many photos if you need some visual aid.
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #3  
Old July 1st, 2010, 07:21 AM
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That's what the motor part looks like
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #4  
Old July 1st, 2010, 08:15 AM
orionpco
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larry burns
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bring on the pics
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  #5  
Old July 1st, 2010, 11:21 AM
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Matt, I think he was talking about axles, not driveshafts.
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  #6  
Old July 1st, 2010, 07:56 PM
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Matt, I think he was talking about axles, not driveshafts.
right. well then.....CV axles for the LT230. UJ axles for the Series TC or convert the LT to part time 4wd for the UJ axles
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #7  
Old July 1st, 2010, 08:18 PM
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The donor lump from an '84 RR 2 door. Same lump cleaned up and fitted with the front end and anciliaries from '94 Defender.
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #8  
Old July 1st, 2010, 08:29 PM
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Firewall modified to clearance for cyl heads.
Custom 4 core rad built almost full width using end tanks from RR rad. The large brace rad is mounted to is the crossbar for the front shocks (another story)
Used original oil cooler.
Used engine driven fan......I strongly dislike the use of electic fans unless no other option.
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #9  
Old July 1st, 2010, 09:30 PM
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Is that tonka?
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  #10  
Old July 2nd, 2010, 07:18 AM
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Yes indeed. I have joint custody.
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #11  
Old July 2nd, 2010, 08:33 AM
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Quote:
Originally Posted by junkyddog11 View Post
The large brace rad is mounted to is the crossbar for the front shocks (another story)
Do tell. I'm fascinated by these kind of conversions. I assume coil over too then?
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  #12  
Old July 2nd, 2010, 03:00 PM
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I don't have personal experience with this, but I looked into it for my SI and what I would do is run the u-joint axles and the series T-case (in the stock location) with the ashcroft adaptor to the LT77. It seems the easiest by far. If you run an LT230 with a u-joint axle, I would put an AVM part time kit in the T-case.

The biggest problem with running the coil axles on a series is the leaf spring wants to be in the same spot as the steering link.

Running an LT230, my understanding is that, the driveshafts are custom and will hit the one transmission.

I know it is another spendy adaptor to run the series T-case but I think it makes it the cleanest.

FWIW YMMV never was far enough in to try it etc.

link to ashcroft conversion kit which has an internal link to the AVM part time LT230 kit

http://www.ashcroft-transmissions.co...d&productId=83
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  #13  
Old July 3rd, 2010, 06:40 AM
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Yup, I said run the LT230 but in reality other than it bolting to the R380 I'm not sure why. I wouldn't run coiler axles unless the build was really going over the top and you need room for very large tyres and are prepared for a pile of work.

Regardless of the T-case used when adding an R380 or LT77 the driveshafts are going to be custom (if you'd retain the Series front clip) as the t-case will need to be moved about 4" back. It also needs to be lowered a bit or the driveshaft will bind.
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #14  
Old July 3rd, 2010, 06:48 AM
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Quote:
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Do tell. I'm fascinated by these kind of conversions. I assume coil over too then?
No coil over, just really long Pro comp 9000's. Does have power steering (Toyota and OE custom bits) and Volvo Portal axles.
Some pics of mondo beef steering arms (yup, my photo skilz suck)
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #15  
Old July 3rd, 2010, 03:06 PM
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Quote:
Originally Posted by junkyddog11 View Post
Yup, I said run the LT230 but in reality other than it bolting to the R380 I'm not sure why. I wouldn't run coiler axles unless the build was really going over the top and you need room for very large tyres and are prepared for a pile of work.

Regardless of the T-case used when adding an R380 or LT77 the driveshafts are going to be custom (if you'd retain the Series front clip) as the t-case will need to be moved about 4" back. It also needs to be lowered a bit or the driveshaft will bind.
I believe there is 4in of room to move the engine forward. The way I have seen it done is to trim the back of the breakfast and move the radiator forward.
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  #16  
Old July 5th, 2010, 07:11 AM
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I believe there is 4in of room to move the engine forward. The way I have seen it done is to trim the back of the breakfast and move the radiator forward.
That works with an SIII where the headlights are not an issue and if you are using the 4cyl.
The V8 requires moving the radiator forward about 4" if the bellhousing stays in the same spot. If you add the R380 to the length you'd have to go back. You might be able to gain a couple of inches somewhere if you want to use 'lectric fans.
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #17  
Old July 5th, 2010, 07:23 PM
orionpco
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larry burns
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well as far as im concerned, moving the radiator forward is no problem and using electric fans is advantageous. from what i can tell at this point i will be moving the rad forward and lose an inch to an inch and a half of drive shaft length. an inch or two of shaft length should be easily handled with a double cardon shaft. what im concerd about today is the center shock like device on my rrc donor axle and whether or not i need it. any thoughts?
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  #18  
Old July 5th, 2010, 08:09 PM
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you don't need it.
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new expansion complete. Not only are we the only Rover shop in Eliot Maine...now we're also the biggest.

"Dedicated to the resurrection of junk through engineering?"
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  #19  
Old July 5th, 2010, 09:27 PM
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Quote:
Originally Posted by junkyddog11 View Post
That works with an SIII where the headlights are not an issue and if you are using the 4cyl.
The V8 requires moving the radiator forward about 4" if the bellhousing stays in the same spot. If you add the R380 to the length you'd have to go back. You might be able to gain a couple of inches somewhere if you want to use 'lectric fans.
He has a short shaft R380, not the V8 R380. I think it should fit (V8 R380 would require the defender front end). The V8 and the short shaft R380 with the adaptors is not much longer than the stock drivetrain.

Ron
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  #20  
Old July 6th, 2010, 03:08 AM
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the r380 is a defender v8 unit, with the ashcroft stumpy kit. should have possion of the r380 by the week end. scary times will it work or will it not ? i will let you know soon
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