Crane roller rockers, unsure of size ??
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Crane roller rockers, unsure of size ??
I have 8 of these crane roller rockers they are marked n175 can anyone tell me size and duration n all that ? Can I use these for the exhaust valves on my 305?
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Crane roller rockers, unsure of size ??
First see that size the stud hole is. SBC use a 3/8" stud.
Measure the distance from the center of the roller tip bearing to the center of the trunnion bearing.
Measure the distance from the center of the trunnion bearing to the center of the pushrod hole.
They look like BBC rockers to me. The 175 is probably the ratio. BBC rockers also use a 7/16" stud.
Measure the distance from the center of the roller tip bearing to the center of the trunnion bearing.
Measure the distance from the center of the trunnion bearing to the center of the pushrod hole.
They look like BBC rockers to me. The 175 is probably the ratio. BBC rockers also use a 7/16" stud.
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