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beatle78
05-25-2007, 02:13 PM
Hi guys,

What are the best spark plugs for the 5.7L LTR engine?

Opinions please!

Farmer Ted
05-25-2007, 03:44 PM
Hi guys,

What are the best spark plugs for the 5.7L LTR engine?

Opinions please!

Not sure about the LTR but the LT1 take MR43LTS

ncskier
05-25-2007, 04:36 PM
yep, mr43lts is correct.

Farmer Ted
05-25-2007, 05:13 PM
yep, mr43lts is correct. Expensive buggers...

I paid $1.89 a peice last time I got them

beatle78
05-25-2007, 09:41 PM
thanks guys

justinglow
05-26-2007, 12:32 AM
I just bought the MR43LTS for my LT-1 also. Paid $1.89 each at Napa.

Jim@BAWS
05-26-2007, 10:48 AM
AUTOLITE 103's

Jim@BAWS