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Originally posted by ItzStock:
Both ways do the same thing. Either your rotating the oil pump shaft to align or turning the motor it rotates the distributor where the oil shaft fits in.

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Originally posted by SteveL:

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Originally posted by ItzStock:
Both ways do the same thing. Either your rotating the oil pump shaft to align or turning the motor it rotates the distributor where the oil shaft fits in.

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If the cap and spark plug wires are already there, it's a bit easier to leave the motor set at #1 TDC and rotate the oil pump. Install the distributer and double check that the rotor is sitting under the #1 spark plug wire then adjust the distributer position for timing.

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Originally posted by racsirx:
I have had this problem with EFI MSD Distributors on 5.0s with aftermarket oil pump shafts, which are a little longer than a Factory shaft, I had to trim the oil pump shaft to get it to work, this is one of the reasons I don't like MSD EFI Distributors

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Posted by Duncan Motors (Member # 7045) on :
 
Ive never had this problem with a msd or arp shafts, i only have this problem if u don't leave a lil room for that press clip that's attached on the shaft some room.a lil tap will push that sleeve clip down an then the dis drops right in place.
 

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Posted by 68StangTAY (Member # 11114) on :
 
ive never had this problem either this is the 1st time... ill find out tomorrow if any of these things will work and fix the problem
 

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Posted by Marks93 (Member # 11130) on :
 

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Originally posted by Duncan Motors:
Ive never had this problem with a msd or arp shafts, i only have this problem if u don't leave a lil room for that press clip that's attached on the shaft some room.a lil tap will push that sleeve clip down an then the dis drops right in place.

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quote:

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Originally posted by Duncan Motors:
Ive never had this problem with a msd or arp shafts, i only have this problem if u don't leave a lil room for that press clip that's attached on the shaft some room.a lil tap will push that sleeve clip down an then the dis drops right in place.

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Originally posted by racsirx:
Even if it sits perfectly on the block, grab the internal center section of the distributor and see if it has a little up and down motion if it doesn't the shaft is too long and will cause distributor failure

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Originally posted by 68StangTAY:

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Originally posted by racsirx:
Even if it sits perfectly on the block, grab the internal center section of the distributor and see if it has a little up and down motion if it doesn't the shaft is too long and will cause distributor failure

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internal as in the rotor? and if so it should have some play?

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The center section where the rotor goes in should have some play, try to move it while the distributor is out of the car and you should see what I mean.
 

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Posted by 68StangTAY (Member # 11114) on :
 
thanks.
 

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Posted by 68StangTAY (Member # 11114) on :
 









is this normal of no?
I just grabbed a shaft from autozone an the same results
 

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Posted by Tom Renzo (Member # 13165) on :
 
NO Measure the old dizzy or better yet install the old Dizzy and see if it goes all the way down. Then measure the old one to the MSD for depth ans do not forget to check the oil pump rod portion of the new Dizzy. It might have to be made deeper. That sometimes happens. That is why i never use aftermarket stuff It does not fit sometimes.Do this with it installed and holding the body down see if you can move the Dizzy shaft up and down . It is just a few thousands of an inch but if the shaft has no play vertically the oil shaft is to long. You may have to deepen the portion of the dizzy that will let the Oil shaft go deeper in the dizzy. That is a simple fix. Remember there has to be Vertical play in the shaft or the pump will be scored badly when the motor heats up

[ 2014-10-29, 05:17 PM: Message edited by: Tom Renzo ]
 

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Posted by 4IDFOX (Member # 9921) on :
 
You are going to have to shorten the oil pump drive shaft. I have hade to do it several times.

I hope you are using an arp drive shaft. Especially if you have a high volume oil pump that every body seems to think they need.
 

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Posted by Tom Renzo (Member # 13165) on :
 
Just curious the engine is in the car?? I assume. So he has a problem to shorten the shaft??? If not pull out the shaft and shorten it. That is why i hate aftermarket stuff. It does not fit correctly

[ 2014-10-30, 04:20 AM: Message edited by: Tom Renzo ]
 

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Posted by 68StangTAY (Member # 11114) on :
 
i dont have the original shaft since it is a brand new motor so everything is new.but i dropped the oil pan and took the oil pump shaft out and it still did the same thing so im not sure what it could be making it stop before sitting flush with the block.
 

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Posted by Tom Renzo (Member # 13165) on :
 
That is what i thought. The dizzy has to be compared to the old unit. the GEAR is to low. I explained that in a previous post. Always go back to a stock setup to compare. The only thing left is the GEAR IS TO LOW ON THE SHAFT. I would return that and complain to the company. They may have a suggestion or an assembly issue internally in the company. Now you have just wasted time energy and parts. Not to mention you still have issues. I had a feeling the shaft was ok, It should have been compared to the original one previously before installing it. The Gear is the issue unless the body is hanging up but i dought that. Install the Dizzy and push down on it and see if it shaft has vertical play. If not the gear is to low on the shaft. That is all i can figure it is. Better get a stock dizzy. Those aftermarket stuff sucks. That sucks man

[ 2014-10-31, 08:06 PM: Message edited by: Tom Renzo ]
 

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Posted by 4IDFOX (Member # 9921) on :
 
Check the gear size and location on the distributor. I'll bet you have a 351c, 351m/400 and 460 distributor. They are the same as a Windsor but have a different gear at a little different hight.

If this is the case you can just change the gear. If you bought it new take it back.
 

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Posted by 68StangTAY (Member # 11114) on :
 
the distributor is for a 351w, the box and recipe says that but ill take the motor back out of the car and check everything.
 

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Posted by 68StangTAY (Member # 11114) on :
 
and i messed around with it yesterday and got it to go down a little more so im thinking it may just a tight fix from when the block got re-machined so i'll let you guys know how it goes.

thanks for all you opinions.
 

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