V8 Block Coolant Drains?

PeterB76

PeterB76

Member
Hi Guys,

Does anyone know what the thread is in the two coolant drain holes either side of the engine block, please?
I'd like to get hold of a suitable tap or thread chaser for them if possible, as some decent soul in the past had Loctited in one of the drain taps, and I think some of the stuff remains in the thread.

(If it is a tapered thread, what options would exist for that?)
Thanks!

Pete.
 
1/4" BSP, I tapped mine as a parallel and fitted some 1/4" BSP plugs rather than the drain taps, they may have originally been tapered in which case you need BSPT, but I only had BSP parallel thread taps on hand.
Regards,
Scott
 
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