This is topic problem with Cylinder 1 in forum Tech Talk at Northern California Ford Owners  .


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Posted by WeStBaY5.0 (Member # 5899) on :
 
okay I just finished my 93 gt
I have a custom cam
GT40 Heads from Haulinassmaro
and crane gold 1.7 rockers, im not sure if its a clearence issue because when i loosened a bold on one of the rockers for that, there was compresion. There wasnt any prior to that. what do you guys think?
Danny
 
Posted by JohnB (Member # 969) on :
 
Are they pedestal or stud mount rockers? Sounds like they are too tight or you have the wrong length pushrods.
 
Posted by WeStBaY5.0 (Member # 5899) on :
 
Yeah, thats what i was thinking, would this be becasue theyre too short or too long?
 
Posted by Jeff S (Member # 371) on :
 
What is the problem with cylinder #1 ??? [Confused]
 
Posted by WeStBaY5.0 (Member # 5899) on :
 
it had no compresion until i losed up the bold on the rocker
 
Posted by 88DroptopGT (Member # 2535) on :
 
Perhaps the bolt was torqued down too much which compressed the spring = left valve somewhat open.
 
Posted by blind (Member # 3052) on :
 
did you dab some grease on top of the valve, set the lash, then pull off the rocker to see if the pushrod length is right?
 
Posted by rocjunkie (Member # 5826) on :
 
I had this problem also. Pushrods were too long (valves were not closing completely). Comp Cams makes/sells an adjustable pushrod that allows you to find the right length. Summit carries it for around $25.00 and it saves a lot of time and headache. Chances are: new heads + new cam = new pushrods. The crazy thing with mine was that cyl. 1,2 had over 100lbs. of compression and the rest had under 10lbs. Heres a link to help http://compcams.com/Technical/Products/Pushrods/

[ March 29, 2006, 11:20 AM: Message edited by: rocjunkie ]
 
Posted by WeStBaY5.0 (Member # 5899) on :
 
thanks a lot! im gonna see if this is the problem, the thing that sucks is i dont know what cam i have and i dont wanna go trhough the trouble of putting one in.
 
Posted by WeStBaY5.0 (Member # 5899) on :
 
theres one that comes with rocker its Lunati that one is $71 and theres a bunch of $25 they give different measuremnets so wich one should i go with?
 




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