backwards cap? (MSD problems)

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Mar 29, 2015 | 11:30 PM

smokeyjo50

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backwards cap? (MSD problems)

I had a brand new msd distributor cap laying around that I never used on my mustang with a 302W (I run a Performance Distributor, D.U.I., setup in my mustang). I went to change the plugs and cap on my f150 with a 351W. I decided to use the MSD cap since I already had it even tho I didn't think it was sufficient for my mustang. The problem I am having is that I think the cap was made @$$ backward. the MSD reads upside down and the tab to is on the side of the little black cap for the #1 plug.... Has anyone ever seen this? I knew there was a reason I didn't put it on my mustang, but what the heck? I've checked the firing order 3 times and moved the firing order around to three places around the top, and it won't start. I really think that this cap was manufactured backwards.... am I crazy?

Mar 30, 2015 | 01:37 AM

krooser

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The timing is different between a 302 and a 351W.

Mar 30, 2015 | 11:22 AM

smokeyjo50

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Timing is the same for all windsors, and even if it wasn't that would not explain why the cap is backwards. Changing the cap doesn't change the timing. I'm 90% positive this cap is built backwards from all other versions...

Mar 30, 2015 | 12:36 PM

rugermack

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A Picture is worth a thousand words.

Mar 30, 2015 | 12:43 PM

rugermack

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Here's the pics of mine.

Mar 30, 2015 | 10:15 PM

fordboy97

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Quote:

Originally Posted by krooser

The timing is different between a 302 and a 351W.

Yes until '94 then they were the same. 13726548 if I recall correctly. My msd cap looks correct on my 302. '93 and older 302 firing order is 15426378.

Mar 30, 2015 | 11:32 PM

smokeyjo50

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The mustang EFI 5.0s and the pickup EFI 5.8s are the same, that I know for sure, but it turned out to be the coil, which is also an MSD coil. Personally, I am not a big MSD fan from my mustang experience... Oh well. It is what it is, I'm just happy I found the issue. (I knew I was crazy haha) Thanks guys.