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gold-n-rod
06-29-2004, 10:25 AM
I don't have access to a manual right now and I'm looking to properly gap my Delco MR43T plugs. They are going into a '91 Merc BBC 454. It's the 300 hp base motor, NOT the Mag.

I appreciate your help.

another Randy

BUIZILLA
06-29-2004, 10:35 AM
.035

gold-n-rod
06-29-2004, 10:42 AM
.035

Muchas Gracias!!!

another Randy

Cuda
06-29-2004, 11:37 AM
Same plug and gap I run in my 454/420's. I've found no reason to change. :)