Lotus Elan

Series 4 front end dimensions

PostPost by: Lotusian » Fri Nov 20, 2020 4:14 pm

My S4 has a new front end without any drilled holes.
Would some kind member please let me know the following measurements:
1 Non-failsafe vacuum pod mounting brackets - distance between hole centres and below bottom of bumper
2 Bonnet skid (on body) 5 nylon bolts - hole centres and distance from top to centre of first (rear) bolt
Thanks
Ian
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PostPost by: oldelanman » Fri Nov 20, 2020 4:34 pm

This thread may answer your first question but, as stated, it's my S4 and no guarantee that they are all exactly the same.

viewtopic.php?t=27668&p=186511

I'll measure the skid plate bolt holes tomorrow if nobody comes up with an answer before then.
Roger
S4 DHC
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PostPost by: snowyelan » Fri Nov 20, 2020 6:47 pm

viewtopic.php?f=36&t=46132&p=330494#p330494

I used these dimensions and it worked out fine for me. I also had a new section without the holes. (Roger to the rescue again!!)

I too need to drill for the bonnet bolts so will be watching with interest for a reply.
Scott
45/9011
Hawkestone, On, Ca
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PostPost by: fatboyoz » Sat Nov 21, 2020 7:11 am

Hi Ian,
I can help with #1. The car is on a hoist above my wife's car, and it is wine time, so can't help with #2.
Both mount holes are vertically down from a point 2" either side of the air inlet.
The RHS (driver's side on RHD car) is 8" down.
The LHS is 8.75" down.
Distance between the two is 27".
Nor sure why there is a difference between the two distances down.
Cheers,
Colin.






Lotusian wrote:My S4 has a new front end without any drilled holes.
Would some kind member please let me know the following measurements:
1 Non-failsafe vacuum pod mounting brackets - distance between hole centres and below bottom of bumper
2 Bonnet skid (on body) 5 nylon bolts - hole centres and distance from top to centre of first (rear) bolt
Thanks
Ian
'68 S4 DHC
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PostPost by: oldelanman » Sat Nov 21, 2020 9:16 am

As promised I've just measured my bonnet skid bolt positions ....

First (rearmost) is 1" down from top (rear) edge, spacing is 1.5" except between #4 and#5 which is 2". All are 1/2" from inner edge of the platform. The centre bolt also secures the support bracket and is not nylon ... mine are brass. I found it tricky to get the nut on with the bracket in position and I ended up soldering it to the bracket which makes it much simpler.
Roger
S4 DHC
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PostPost by: Lotusian » Sat Nov 21, 2020 2:13 pm

A big thank you to everyone who has helped.
Ian
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