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fergus
Original Poster
4,925 posts
144 months
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If I am converting an S3 to wasted spark, where do most people mount the coil pack?
I was thinking of mounting it on the bulkhead in front of the DS overflow catch tank (HT lead length permitting).
Thoughts welcome.
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BertBert
7,047 posts
80 months
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I've seen it bolted to the back of the head using one of the holes for the "end of cam" cover plate.
Bert
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fergus
Original Poster
4,925 posts
144 months
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cheers Graham. Will take a look.
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Incorrigible
13,608 posts
130 months
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johnvthe2nd
1,093 posts
66 months
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mine is bolted to the back of the head, will post a pic if it helps
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DVandrews
386 posts
152 months
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The standard place for a non-OE coilpack is on the rear of the head. On the inlet side the bolts are only M5 so you may want to consider mounting on the rear of the exhaust cam if clearance is available as the holes are M8.
Dave
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fergus
Original Poster
4,925 posts
144 months
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Incorrigible said: Ben Hi. Ford gen 1 (the one with the non flat base!)
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fergus
Original Poster
4,925 posts
144 months
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DVandrews said: The standard place for a non-OE coilpack is on the rear of the head. On the inlet side the bolts are only M5 so you may want to consider mounting on the rear of the exhaust cam if clearance is available as the holes are M8.
Dave Dave Sounds like a plan. If I recall correctly, I would need to make up a plate to bolt the coil pack to as there are only 2 (pre drilled) holes in the plate which cover the end of the exhaust cam? Regarding the spigot in the end of the inlet cam which drives the rotor arm, is this just an interference fit? i.e. if I go wasted spark and remove the dizzy, I don't fancy a spigot whizzing round in the open air. How would you remove this in situ?
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Shaun_E
657 posts
129 months
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I mounted mine on the bulkhead for the following reasons:
1) I believe that heat and/or vibration is what killed the standard coil (I went through at least 3 before swapping to wasted spark)
2) some friends had brackets made up in aluminium to mount on the back of the head and over time these cracked and failed
3) all I had to do was drill 4 holes and fit 4 rivnuts
I had a set of custom leads made up by Magnecor (which you would probably have to do anyway).
I can post a picture this evening if it would help.
The spigot is an interference fit (but very tight on some) so shoudl be straightforward to remove.
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