Clearance concerns
05-01-2005, 07:31 PM
#1
2nd Gear Member
Thread Starter
Join Date: May 2005
Location: Oregon
Posts: 206
Clearance concerns
I'm not terribly experienced in the world of building engines, so I thought I'd run this one by you folks.
I recently purchased a new short block, from Ford Racing, to replace the worn-out engine in my '89 GT. I also purchased AFR165 heads, an E303 cam and a set of Ford Racing (M-6564-A50) 1.7 ratio roller rockers (brand new, great buy on Ebay).
My question is, with the combination of the AFR 165 heads, E303 cam and 1.7 rockers, do I need to be concerned about valve to piston clearance?
How do I check for any interference? I assume I'd need to know exactly how far the valves open in order to do this.
I recently purchased a new short block, from Ford Racing, to replace the worn-out engine in my '89 GT. I also purchased AFR165 heads, an E303 cam and a set of Ford Racing (M-6564-A50) 1.7 ratio roller rockers (brand new, great buy on Ebay).
My question is, with the combination of the AFR 165 heads, E303 cam and 1.7 rockers, do I need to be concerned about valve to piston clearance?
How do I check for any interference? I assume I'd need to know exactly how far the valves open in order to do this.
05-01-2005, 07:41 PM
#2
3rd Gear Member
Join Date: Nov 2004
Location:
Posts: 547
RE: Clearance concerns
Piston to valve clearance should be ok with the ecam and afr165's. Those afr's come with the 1.90 int. and 1.60exh. right??. But u will probably have to get an INTAKE SPACER because your'e valves covers will be taller than the stockers and the throttle springs will be scrapping on the covers. Just something else ur gunna have to buy!.lol.
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