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864 views 16 replies 6 participants last post by  B-rad 
#1 ·
Need some help, I just replaced the older 351w engine in my 68 mustang with a 351w engine out of a 96 Ford Ecoline Van, removed EFI, smog crap and added my intake and carb along with my valve covers and oil pan. That's all I changed, started it last night for the first time and it makes a sharp metal to metal hammering sound. Any ideas? I thought at first it was my exhaust manifold collector rings, but bolted manifolds back to the exhaust this morning and still making this sound.
 
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#2 · (Edited)
When you changed the oil pan did you change the pickup tube as well? And dealt with the main cap stud difference? That also is a roller cam engine, did you install a non computer distributor with a steel gear to go with the steel roller cam in the block?
 
#3 ·
I did use my old internal plumbing for the oil pump/pickup since my sump is towards the front of my engine and the 96 van motor was a rear sump. I used my same Mallory distributor. I do have the 96 van distributor, assumed they had the same teeth/gears?
 
#5 ·
Another problem is this van motors dipstick is in the block towards the back of the engine (under #7 cylinder)but my old engine had the dipstick in timing chain cover which is in the front of the engine (oil pan sump is in the front) so I don't have a dipstick right now until I switch out the timing chain covers) I thought this would be a quick switch but isn't turning out to be one.
 
#10 ·
Years ago with a 327 first start we had the same noise. Crap! We shut her down and oil was pouring out the bottom. We had inadvertently left a screw driver on the bottom end when we bolted on the pan. The only damage was the screwdriver sticking out the side of the pan.
 
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