1998 LS400 spark plug: IFR6T11 or IFR6A11 ??

Reply Subscribe

Thread Tools

Search this Thread

04-28-08, 12:31 AM

lexie

Pole Position

Thread Starter

Join Date: Dec 2001

Location: USA

Posts: 240

Likes: 0

Received 1 Like on 1 Post

1998 LS400 spark plug: IFR6T11 or IFR6A11 ??

UCF21 Spark Plug Change Tutorial said Spark plugs for 1998 LS400 is NGK IFR6T11 but the owner's manual said NGK IFR6A11; so which one is correct?

Thank you.

Last edited by lexie; 04-28-08 at 12:37 AM.

Reply Like

04-28-08, 06:44 AM

LiCelsior

Retired

iTrader: (32)

Join Date: May 2007

Location: NY

Posts: 12,362

Likes: 3

Received 17 Likes on 15 Posts

http://www.ngksparkplugs.com/part_fi...gineid=1464812

Reply Like

04-29-08, 06:33 AM

black_LS

Advanced

Join Date: Jul 2007

Location: Toronto

Posts: 515

Likes: 0

Received 19 Likes on 2 Posts

I'm swapping in the BKR6EIX.

Reply Like

04-29-08, 08:26 AM

steveski

Lexus Champion

Join Date: Oct 2005

Location: TX

Posts: 1,884

Likes: 0

Received 4 Likes on 4 Posts

Also for perspective I am installing Denso Iridium long lasting model SK20R11 over my NGK double platinum plugs this weekend.

Reply Like

04-29-08, 03:32 PM

1995LS400

Lead Lap

Join Date: Aug 2007

Location: SD

Posts: 467

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by steveski

Also for perspective I am installing Denso Iridium long lasting model SK20R11 over my NGK double platinum plugs this weekend.

Changed mine 2 weekends ago, not a hard job at all. Need to take off the intake tubing to get access to the 4 plugs on the left side. I was taking my time while doing it so 1 1/2 hours is plenty of time to get it done.

Reply Like

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

What is the best choice for new spark plugs?

JB400LS

LS - 1st and 2nd Gen (1990-2000)

02-05-13 10:57 PM

Spark plugs - 1997 LS400

cnwahlheim

LS - 1st and 2nd Gen (1990-2000)

02-11-10 04:44 PM

'93 LS400 Spark plug change

j48i

Maintenance

04-30-08 02:03 PM

which spark plugs should I Put?

lennylexus

LS - 1st and 2nd Gen (1990-2000)

09-23-07 11:06 AM

Iridium spark plugs

tvd51

LS - 1st and 2nd Gen (1990-2000)

01-27-04 10:16 AM