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What Plugs for TF 240 #2680392 07/23/19 10:15 AM 07/23/19 10:15 AM
Joined: Jun 2015 Posts: 150 It's Complicated HDNMOPERS OP member
HDNMOPERS OP member Joined: Jun 2015 Posts: 150 It's Complicated	Getting ready to fire up the 512 to break in the cam. Whats a good plug to start with for the TF 240s. 512 pump gas 10.3 comp.

Re: What Plugs for TF 240 [Re: HDNMOPERS] #2680404 07/23/19 10:38 AM 07/23/19 10:38 AM
Joined: Jan 2005 Posts: 1,772 Keymar, MD DusterKid top fuel
DusterKid top fuel Joined: Jan 2005 Posts: 1,772 Keymar, MD	I'm using Autolite 3924 in my 448 (.040 over 440) that has 10.9:1 compression with TF 240. I'm running a mixture of 2:3 race gas (110) to pump gas (93).

Re: What Plugs for TF 240 [Re: HDNMOPERS] #2680424 07/23/19 11:03 AM 07/23/19 11:03 AM
Joined: Jan 2007 Posts: 8,031 Mt Morris Michigan mopar dave master
mopar dave master Joined: Jan 2007 Posts: 8,031 Mt Morris Michigan	A 7 or 8 heat range NGK should work fine. Street use a 7 and strip the 8. http://www.youtube.com/watch?v=aIxaesJ190U http://youtu.be/lCZAaN7fFLg

Re: What Plugs for TF 240 [Re: HDNMOPERS] #2680449 07/23/19 11:56 AM 07/23/19 11:56 AM
Joined: Jan 2003 Posts: 30,997 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 30,997 Oregon	For a street car on pump gas I'd use NGK 6987. That is a #6 plug with extra extended tip and an extra wide gap. It is an OEM plug used in new cars.

Re: What Plugs for TF 240 [Re: AndyF] #2680464 07/23/19 12:46 PM 07/23/19 12:46 PM
Joined: Jun 2015 Posts: 150 It's Complicated HDNMOPERS OP member
HDNMOPERS OP member Joined: Jun 2015 Posts: 150 It's Complicated	Thanks for the replies. I appreciate it.

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