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Farmer Ted
07-22-2006, 12:44 PM
I know the LT1 requires MR43LTS plugs

can't find any in town but AutoZone said they have a NGK that crosses

O'Reilly's says that Delco Rapidfire #8 is also a suitable sub

Do the #8s get the same Gap as the MR43LTS?

JimN
07-22-2006, 04:09 PM
I asked Alan when I was at MC training and he recommended sticking with the MR43LTS. If someone doesn't have them, they can order some for you. Look in the phone book for a Delco parts dealer/distributor. NAPA can get them and any other place that sells AC/Delco parts can, as well.

Farmer Ted
07-22-2006, 04:24 PM
I asked Alan when I was at MC training and he recommended sticking with the MR43LTS. If someone doesn't have them, they can order some for you. Look in the phone book for a Delco parts dealer/distributor. NAPA can get them and any other place that sells AC/Delco parts can, as well.

THanks Jim!

I ordered some this morning.

Chief
07-24-2006, 07:48 PM
Use the NGK's. I have the LT-R 330 engine in my 99 Prostar and I replaced mine with the NGK's and the engine runs fine. Better if you ask me (Quicker response) and using less gas to boot.