Quote:
Originally Posted by shopcarpro
Thanx for all responses so far. I have a 53 cam in the 73 and 103 cam in the 75. 75 has a hole drilled in the stud as if its hydraulic, the 73 stud looks like mechanical as have no oil feed hole, in this case. 75 is a US model and the 73 is a Japanese market car. 73 also has rocker arm lock spring structure and 75 has no locks. Can I change the rockers from 73 into 75 as the 75 rockers are also showing abrasion. Thanx all in advance for any helpful comments.
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Quote:
Originally Posted by rowdie
If it does have hydraulic check the engine number. The engine could have been swapped with a later model in the past. The D-Jet intake etc. can be changed over.
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Ball stud identification:
Hydraulic - one hex on the body of the part.
Mechanical - two hexes, one (larger) on body, one (smaller-17mm) on stud to adjust.
Rocker arm identification:
Hydraulic & Mechanical - large oil hole in center of ball socket.