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What's the cam tower bolt torque spec?


heavy85

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  • 5 weeks later...
25 to 33 ft-lbs.

 

The above number is from the book “How to Rebuild Your Nissan/Datsun OHC Engine” by Tom Monroe.

 

However, the book “How to Modify Your Nissan/Datsun OHC Engine” by Frank Honsowetz has the cam tower bolt spec at only “10 to 13 ft-lbs”, quite a difference!

 

As these bolts thread into aluminum, I feel the smaller torque spec would be the safer one to use.

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I stripped one out at 25 ft. lbs., so be careful!

 

Yeah I'm afraid another one was starting to strip on it's way to 25 ft-lb but I'm too scared to check yet. I also noticed that the cam started getting a little tight above about 15 ft-lb. I'm going to back them off to about 15 or so.

 

Cameron

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