 Bosch Blue Coil and stock coil retaining strap |
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| L-Jet914 |
 May 28 2023, 03:16 PM
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#1
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Member  Group: Members Posts: 237 Joined: 24-October 12 From: Davis, CA Member No.: 15,080 Region Association: Northern California  |
For those of you who may have installed this Bosch Blue coil at some point and are using the coil bracket it comes with, I have found over the years it does stay put in the stock location of a 74 1.8 that is designed for the strap that latches into the engine case. I purchased a used coil strap recently only to find my original one when I wasn't looking for it haha, so now I have two. Anyways in order to make the stock ignition coil strap work with this Bosch Blue coil, I purchased a sheet of 3mm thick commercial neoprene rubber. I cut it to 32mm wide to allow the sheet to contact the engine case where the original coil rested against and cut it to length to wrap around the coil. The coil is now secured properly and is nice and snug with the new spacer. Please don't mind the state of my original engine firewall pad (IMG:style_emoticons/default/laugh.gif) . I'm still working on the ol girl. @StarBear - the picture I want to show you of what I did as I didn't see an option for photo attachment in the PMs.
Attached thumbnail(s) 
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| Dave_Darling |
May 28 2023, 03:47 PM
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#2
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914 Idiot Group: Members Posts: 14,981 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California 
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That should work fine. The blue coil is just a little bit narrower than the original coil was, so you need something to keep it from falling out of the bracket. I cut up an old bicycle innertube to wrap around my coil to fit it in the bracket on the engine tin that was used on some 914s.
--DD |
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| StarBear |
May 28 2023, 08:10 PM
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#3
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Senior Member Group: Members Posts: 1,850 Joined: 2-September 09 From: NJ Member No.: 10,753 Region Association: North East States
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Great! I have some material from an old yoga mat that should work just fine to keep with my blue coil in case I have to use it. (IMG:style_emoticons/default/biggrin.gif)
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| windforfun |
May 28 2023, 08:14 PM
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#4
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Senior Member Group: Members Posts: 1,776 Joined: 17-December 07 From: Blackhawk, CA Member No.: 8,476 Region Association: None |
I put shrink tubing on the old bracket.
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| porschetub |
May 28 2023, 10:40 PM
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#5
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Advanced Member Group: Members Posts: 4,697 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(L-Jet914 @ May 29 2023, 10:16 AM)  For those of you who may have installed this Bosch Blue coil at some point and are using the coil bracket it comes with, I have found over the years it does stay put in the stock location of a 74 1.8 that is designed for the strap that latches into the engine case. I purchased a used coil strap recently only to find my original one when I wasn't looking for it haha, so now I have two. Anyways in order to make the stock ignition coil strap work with this Bosch Blue coil, I purchased a sheet of 3mm thick commercial neoprene rubber. I cut it to 32mm wide to allow the sheet to contact the engine case where the original coil rested against and cut it to length to wrap around the coil. The coil is now secured properly and is nice and snug with the new spacer. Please don't mind the state of my original engine firewall pad (IMG:style_emoticons/default/laugh.gif) . I'm still working on the ol girl. @StarBear - the picture I want to show you of what I did as I didn't see an option for photo attachment in the PMs. I seem to remember the diameter is less than the stock black coil . |
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| r_towle |
May 29 2023, 06:45 PM
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#6
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Custom Member Group: Members Posts: 24,564 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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Duct tape
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