----- Original Message -----
Sent: Sunday, July 04, 2004 7:47 AM
Subject: Re: 510 upgrading
Hi Tom
Don't know if any body else has
replied but thought I would as my son is just doing his latest up grade from
Webered L20 and R30 5 spd to an SR20Det. He is on a budget
also and was going to run with his existing 240K struts and brakes
(opposed piston calliper with 253mm rotor + 180B booster with 15/16" MCyl). I
am trying to encourage him to use this fitting kit http://www.datsport.com/SR20_fitting_kit.html
and their recommended R31 struts, they obviously use different lower arms
to give sufficient neg. camber and I am about to find out what wheels to suit.
One obvious question is re stud pattern as R31 and 1600 are different. Hope
you find their site of interest. I'm not connected in any
way.
By the way did you mean Castor or
Camber re strut off set. For a small -ve camber gain we removed the strut tops
and redrilled and tack welded the mount bolts offset to centre. An easy job at
home one Saturday afternoon.
Though the struts are shorter are
the spring seats lower than on the legs you removed. Also I found that the
strut tops vary in thickness from 1600 to 240K. Could this be part of the
problem. When we fitted the 240K struts we decided to fit 240K springs
F&R. My logic was that the 240K was heavier so we were fitting a stiffer
spring set probably well matched F-R. We found that we still had to
'lower' the springs (with the angle grinder :) I think 1 1/2 coils.
Maybe you have to do the same.
Regards
Colin
----- Original Message -----
Sent: Friday, June 25, 2004 1:11
PM
Subject: 510 upgrading
I have just started rebuilding a 72 1600
SSS with li,ited funds and have obtained a 1985 Silvia S12 1809
EFI (non turbo) for the engine with its 5spd box. I have also
located 83 Skyline front struts (for spring diameter), and vented discs
mounted in a modified (reversed) front cross member usinf 510 steering arms
to align the ball joint pivot point in the correct postion. I have sat the
motor and box in place and thought all looked OK. However, I had not noticed
the Skyline strut tube is offset by approx 10mm inwards compared to the
original 510 strut giving the front end a positive castor. I have'nt
located a local source for the offset stut top but would like to know from
someone if this will give enough adjustment to correct the
error.
The other supprise is that although the Skyline
sturs are 45mm shorter, with the original Skyline springs the 510 sits a lot
higher than expected.
Any practical inexpensive advise would be
appreciated.
Tom
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