Headlight vacuum fix
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When I had a problem with the headlight vacuum a while back, I made up these little locks from Builders Metal Strip.
Avoided that dreaded headlight sinking at open throttle on the motorway
Avoided that dreaded headlight sinking at open throttle on the motorway

68 Elan +2, 70 Elan +2s
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Foxie - Coveted Fifth Gear
- Posts: 1018
- Joined: 20 Sep 2003
- Location: Wexford, Ireland
Hope I don't need it, but a useful idea for us non failsafe +2 owners.
Am currently sorting my vacuum system. A vacuum gauge (Amazon) is proving very illuminating and my problem quickly traced to the dash switch and /or the fit of the short connectors to the main pipes.
Am currently sorting my vacuum system. A vacuum gauge (Amazon) is proving very illuminating and my problem quickly traced to the dash switch and /or the fit of the short connectors to the main pipes.
1968 Elan plus 2 - project
2007 Elise S2 [modified with a Hethel 70th sticker (yellow)]
2000 Elise S1 - Sold
2007 Elise S2 [modified with a Hethel 70th sticker (yellow)]
2000 Elise S1 - Sold
- wotsisname
- Third Gear
- Posts: 469
- Joined: 24 Jun 2015
- Location: Hertfordshire, UK
Quite an inventive "failsafe" I like the simplicity.
I've gone a bit left field (added some weight.. Sorry Chunky) and installed a vacuum pump & pressure switch. Seems to work fine and so have now blanked the inlet manifold but it could be run in conjunction with the manifold port like a lot of moderns do for brake servo
easy to return to standard if needs be & they go up & down just as sedately as before.
Hope will also make the fuelling a bit more consistent.
I've gone a bit left field (added some weight.. Sorry Chunky) and installed a vacuum pump & pressure switch. Seems to work fine and so have now blanked the inlet manifold but it could be run in conjunction with the manifold port like a lot of moderns do for brake servo
easy to return to standard if needs be & they go up & down just as sedately as before.
Hope will also make the fuelling a bit more consistent.
- Sploder90
- Second Gear
- Posts: 201
- Joined: 09 Apr 2019
- Location: The Peoples republic of Yorkshire (West)
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