Thread size inquiry
Moderators: notoptoy, S Allen, Solex68
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Fairlady5150
Thread size inquiry
Hello all. Wondering if anybody knows the thread size for the block drain valve on an early / 3-main 1600 block? Also looking for thread sizes to plug the coolant line inlet and outlet on the intake manifold.
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keith0alan
- Roadsteraholic
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Re: Thread size inquiry
I don't remember the exact sizes but they are BSPT and not common hardware store pipe threads. Check with your local hydraulic shop rather than plumbing store.
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Solex68
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- Year: High Windshield-68-70
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Re: Thread size inquiry
1/8 X 28 BSPT
Greg a.k.a SOLEX68 - http://www.datsunvents.com/
Laguna Hills, CA
68 2000
Always willing to help another Datsun Roadster owner
Pending installs: Stan Stealth Dizzy
Laguna Hills, CA
68 2000
Always willing to help another Datsun Roadster owner
Pending installs: Stan Stealth Dizzy
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david premo
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Re: Thread size inquiry
I think it’s 1/4 BSPT actually. The 1/8 BSPT are the ones along the oil gallery at the front of the 1600 and 2000. BSPT not only has a different thread count, the shape of the thread is different as well. As it’s a 1500 I’m not 100% sure, it could even be 3/8 BSPT.
Dave
Dave