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02-09-2007 10:33 AM #1
Reverse eye front spring main leaf ??
I have a 30 A PU , and i want to install a reversed eyemain leaf on the front. They make a 29" and a 31" which or how do I choose? It has a stock one there now.
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02-09-2007 10:38 AM #2
tAKE THE STOCK ONE OFF, LET IT "RELAX" FOR 10 MINUTES, THEN MEASURE THE EYE TO EYE DISTANCE ON IT.Old guy hot rodder
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02-09-2007 12:20 PM #3
Probably 29. You have to allow for the spring to stretch out when weight is on it, plus, you want the shackles to angle in, even when some weight is on it.
To put the new spring on, use some big clamps, remove the center bolt (carefully) install only the main leaf, then reassemble the rest of the leaves onto the shackled main leaf. Otherwise it's a bear to stretch the complete spring that far an get the shackles in.
Don
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02-09-2007 02:23 PM #4
Thanks, the truck is assembled and I really do not want to completely dissassemble it to take a measurement, unless I have to, Its still 12 below out there in the garage as of twenty minutes ago - no heat
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02-09-2007 02:34 PM #5
Measure the distance from center to center of the perch bolts on the axle and talk to the people you are buying the spring from. If they have that dimension, they will know which spring length it requires.Old guy hot rodder
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02-09-2007 04:26 PM #6
Kool! that works, I have that dimension already,Thanks
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03-09-2007 10:40 PM #7
Originally Posted by Dgas56
Another technique for installing the spring:
1. Install the complete spring into the U-bolts.
2. Install one of the shackles into the spring.
3. Wedge a block of wood between the end of the spring and the top of the axle to hold the shackle horizontal.
4. Put a similar thickness piece of wood under the other end of the spring.
5. Jack up the axle to put pressure against the spring until you can slide the second shackle into place.
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Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
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