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Hi all. I am normally in the 57 to 60 forum but I have a question about a 76 FE 360. Hoping someone here can answer or direct me in the right direction. I thought I posted here before but couldn’t find any posts about this.
I am building a 58 F100 rat rod and am using a 360 from a 76 F250 someone gave me. The motor is really low miles on a rebuild. It’s a CA truck and was rebuilt to factory specs including the -4 degree cam timing. Before I mounted it in the 58, I installed a new timing chain that had -4, 0, and +4 options. My goal was to eliminate the -4 retard for CA smog so I set it at +4.
I was talking with an old Ford service manager and I am now unsure if the -4 retard was in the timing chain or in the cam grind (as I was told before). If it is incorporated in the cam, I am at zero. If it was in the timing chain, I am now +4. This is going to be a daily driver for my daughter who gets her license this month so I am primarily looking for reliability. I put a 600 cfm Edelbrock and headers with 2 ¼” exhaust but otherwise it is all stock.
My questions are; is the -4 retard for CA engines in the cam grind or the timing chain sprockets? How will the truck run at +4 if that is where it is? If I need to dig into it to move it to zero, I want to do it before I put the front clip on.
Unfortunately I don't know the answer to your technical question but I can say that you do not need to to worry about smog requirements since you are putting this into a 58.
FE timing chain same 1958/76, cam sprocket is the same 1958/72 and 1973 before serial number S00,001. From this serial number thru 1976, it's different.
FE timing chain same 1958/76, cam sprocket is the same 1958/72 and 1973 before serial number S00,001. From this serial number thru 1976, it's different.
Crank sprocket is the same 1964/76.
360/390 2V engines also used the same cam from 67-76. The difference in the cam sprocket is the early ones used a separate spacer, while the later ones are one piece. It appears that Ford did not retard cam timing on these engines like they did on the 351M/400/460.(different crank sprocket). All this being said, I would say you are running +4. I have always put them in "straight-up" at 0,so I can't really say how it will run advanced.
360/390 2V engines also used the same cam from 67-76. The difference in the cam sprocket is the early ones used a separate spacer, while the later ones are one piece.
Run it at +4 it will help the responsiveness a little more. It'll lower the top end power slightly but you'll never tell especially in a 360.
I run my 445 at +4 with no issues and my 460 ended up at +6. The 460 towing cam had +4 ground in it and straight up timing set was more like +2. Only real way to know what you have is to degree the cam. I would without question run that thing at +4 it'll kinda cheat the low compression a little.
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