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Old 11-17-2017, 08:30 PM   #1
loki98t5
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Default building a lotus 7 replica, need axle width

Hey all, I am currently building a locost 7 which is a lotus 7 replica. I am going to use a t5 engine out of a 2000 v70 to keep it Swedish. I am playing around with the idea of either using the rear suspension out of an xc70 or the solid axle out of a 740. Without having a yard that I can currently go measure either rear end at, do any of you have the measurements? I'm looking for the distance between the wheel flange and the distance between the inside of the brakes. This would help me decide which rear end would be better suited and how wide of a wheel and what offset I need to start looking for. thanks guys.
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Old 11-18-2017, 02:54 PM   #2
Redwood Chair
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Location: - Stock PSI Or Bust -
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Google the track and add the offset for both stock wheels.
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Old 11-18-2017, 03:58 PM   #3
BillyMaysHere
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Dimensions
mm

A
Wheelbase
2815
B
Length
4838
C
Load length, floor, folded seat
1878
D
Load length, floor
1089
E
Height
1604
F
Load height
724
G
Front track
1614
1604
H
Rear track
1580
1570

I
Load width, floor
1153
J
Width
1870 (1876)
K
Width including door mirrors
2119
L
Width including folded-in door mirrors
1925
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Old 11-18-2017, 04:03 PM   #4
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bremms wrote:
Axle is 49.5 inches between the brake disks Can't remember the hub to hub.
It fits a book frame perfectly. Too narrow for a 442 frame. Mine is a 3.33
ratio no LSD. Its easy to get a LSD for a dana 30. 3.33 was mostly in later
manual cars. 3.71, 4.1 were common. a 740 axle will fit a 442 frame.
Some axles had LSD but they are not common. Part of a special cold
weather or towing package
OK, thanks for the info. I found a Volvo service manual for the rear end and it takes a special carrier "stretcher" to get the spool out of it. Sort of a strange way to pre-load the bearings.

I measured a Volvo 740 at the junk yard and it's ~56-1/4" WMS-WMS. So the 740 is narrower than my RX-7 which is 57.2" WMS-WMS. It should fit my car fine IF I can find a 3.31 w/LSD. I've been reading what I can find on the web about the axles and it seems they use several different LSD equivalents depending upon the year etc.

https://www.locostusa.com/forums/vie...=1342&start=30
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Old 11-21-2017, 12:29 PM   #5
loki98t5
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I have been looking allover locostusa for info. Thank you all for the posts. My yard just got a few 740's in. Think I will grab my tape and just go measure.
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