[HWYSTR455]

I've never blown up a heater core either, but all mine are new. If you have a 50+ year old heater core in your car, you would be better off just changing it instead of restricting core coolant flow.

Not sure how much that will impact psi, none I would think, so really doubt the 'fix' helps.

As for valve cover bolts, it's only 2 intake ports on each head, and that's only if you have ported heads beyond a certain point.

If you do have ported heads, sealant would be what you use, don't use any thread locker.

You need e-head compatible hardware too, be it bolts or studs. Some of the pads on the heads are a little lower and bolts/stud threads will bottom out before you reach the required torque value/clamping.

You may want to have your intake checked so they are true to the head surfaces too.

Not that it's specific to E-heads, should do it for any build really.


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