Non-retarded timing chain question...
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Joined: Aug 2000
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Non-retarded timing chain question...
Ok guys, could anyone give me the scoop on putting a pre 72 style timing set on a 72 and up 429\460? assuming i left the entire engine stock but the new chain set...what kind of power gains would i see (does anyone have hp and torque #'s)? would there be any loss whatsoever in fuel economy? also, what happens when you have the new chain and also use an aftermarket cam? would it make it easier to accidentally "over-cam" the engine or how does that work? what kind of specs should a cam have to match the new timing? basically im really interested in the non-retarded chain and maybe a cam while im at it...the goal is the biggest possible hp and torque #'s while retaining decent fuel milage (hah, i know its unlikely to ever get decent milage on a big block but...you know what i mean.) any help would be MUCH appreciated. =)
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Joined: Feb 2001
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Non-retarded timing chain question...
My friend and I put a summit three position roller set on his 460 and a summit cam they offer two sizes and he bought the bigger one. we set it up at advanced and then degreed it to make sure it was right and ran it . that swap really livened it up but not as much as after we converted it to stud mount and 1.7 cranes. this is by far the cheapest/best mods and the moter really shows.
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Joined: Feb 2001
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Non-retarded timing chain question...
I really don't know if he lost mileage because we did that when we first built the motor. I do know that after we put it in his truck he got between 8-12 mgh depending how he drove it and at that time my 460 was bone stock besides a 750 holley and my mileage was the same or lower most of the time and he was in an f-250 and i was in a bronco with same gears and same size tires
oh by the way both the trans were 1:1 drive ratio.
oh by the way both the trans were 1:1 drive ratio.
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Joined: Feb 2001
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Non-retarded timing chain question...
Right now my 460 in my 79 Ford F350 is bone stock except for the 429 timing set. When I did the swap the idle quality really changed, my old set wasn't too bad either, but I had to idle down I would say around 300 rpm. Throttle response is quite a bit better too. I never checked the vaccumn or milage after the swap, so I can't help you there.
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