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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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  #16  
Old 08-23-2014, 01:11 PM
brandon mauldin brandon mauldin is offline
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I thought the stock ones were supposed to work too but they are deff short idk what the deal is
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  #17  
Old 08-23-2014, 01:49 PM
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Conanski Conanski is offline
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Yeah that is strange, I got the same cam(XE264HR-14) in a 5.0 roller with stock heads and the stock pushrods were the right length. How much too short are they? And did those pushrods come with that motor?
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1990 5.0HO AOD XLT X-Cab F150 3.55LS, 1994 3.0L 5-sp x-cab Ranger 3.45, 2004 3.0L 5-sp X-cab Ranger Edge 4.10, 2004 2.5L 5-spd Subaru Legacy
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  #18  
Old 08-23-2014, 01:54 PM
brandon mauldin brandon mauldin is offline
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Yes the push rods were the same ones that were in it and I never measured them but they are deff shorter than before. I could spin them before but now I can pretty much wiggle them around. There's not much difference in the 12 that I have and the 14 you have right?
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  #19  
Old 08-23-2014, 02:02 PM
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No the cams are identical except for the lobe separation angle. You need to make sure the lifters aren't collapsed when testing for pushrod length, one simple way to do that is to dismantle one(be careful there is a spring inside) and replace the guts with washers so that the plunger cannot collapse when the rocker is torqued down. That simulates full oil pressure so you can get an accurate measurement. It is possible you need slightly longer pushrods.. different heads so anything is possible.
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1990 5.0HO AOD XLT X-Cab F150 3.55LS, 1994 3.0L 5-sp x-cab Ranger 3.45, 2004 3.0L 5-sp X-cab Ranger Edge 4.10, 2004 2.5L 5-spd Subaru Legacy
1996 Kawasaki ZX11D, 2004 Honda 599, 2008 Kawasaki KLR650
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Old 08-23-2014, 02:59 PM
brandon mauldin brandon mauldin is offline
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Well idk the same heads and same push rods worked fine with my stock cam... Maybe I was just in a hurry and put somthin back together wrong idk I'll look at it again when I get home
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Old 08-23-2014, 03:37 PM
brandon mauldin brandon mauldin is offline
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You recommend any good springs?
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  #22  
Old 08-23-2014, 04:06 PM
brandon mauldin brandon mauldin is offline
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I think I may have found the problem, the cam I have the (xe264hr-12) has a lift off .544 the one you have (xe264hr-14) has a lift of .512.. Is that why your stock push rods worked and mine didn't..?
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Old 08-23-2014, 04:47 PM
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Quote:
Originally Posted by brandon mauldin View Post
I think I may have found the problem, the cam I have the (xe264hr-12) has a lift off .544 the one you have (xe264hr-14) has a lift of .512.. Is that why your stock push rods worked and mine didn't..?
No and no. Both of these cams produce 0.512" lift with 1.6 rockers and 0.544" lift with 1.7 rockers, and that has no effect on pushrod length.
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1990 5.0HO AOD XLT X-Cab F150 3.55LS, 1994 3.0L 5-sp x-cab Ranger 3.45, 2004 3.0L 5-sp X-cab Ranger Edge 4.10, 2004 2.5L 5-spd Subaru Legacy
1996 Kawasaki ZX11D, 2004 Honda 599, 2008 Kawasaki KLR650
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  #24  
Old 08-23-2014, 04:55 PM
brandon mauldin brandon mauldin is offline
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Quote:
Originally Posted by Conanski View Post
No and no. Both of these cams produce 0.512" lift with 1.6 rockers and 0.544" lift with 1.7 rockers, and that has no effect on pushrod length.
Hmmm this beats the **** outta me lol
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  #25  
Old 08-24-2014, 02:26 AM
brandon mauldin brandon mauldin is offline
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Quote:
Originally Posted by Conanski View Post
No and no. Both of these cams produce 0.512" lift with 1.6 rockers and 0.544" lift with 1.7 rockers, and that has no effect on pushrod length.
Hey man when I got home I decided to take a drill and old distributer gear and pump up the oil in the motor, when I started to pump it all the lose push rods tightened up and actually seemed like they were where they needed to be! But the moment I stopped pumping the oil the pushrods got really lose again...?
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Old 08-24-2014, 02:26 AM
 
 
 
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