J02ws6transam

iTrader: (4)

hey guys i am just about done builing my 455 ci ls1. i had the tr55's in my motor before i did the work to it, but i wasnt sure if the tr55's could be used with this motor as well. thanks for the help
Jon

wilddawg

I would use one step colder lug if the motor has like 11.1 compression to keep down detnation

zspot98

iTrader: (87)

TR6's?

staringback05

iTrader: (8)

im not sure about the 7.0....but the first set i used was the ac delco iridiums in my 5.7...ran fine

J02ws6transam

iTrader: (4)

thanks for the help, yeah the car will have fairly high compression, but it will be low enough to still run on 93 octane. i cant remember exactly what the compression is off hand now. but so the tr 6 would be my best bet? thanks guys
Jon

jdoyle

iTrader: (27)

same here, i run the stock ac delcos

J02ws6transam

iTrader: (4)

anybody else recomend the tr6's?

NHRAMAN

iTrader: (1)

go AC/DELCO for 455 ci.....they are GREAT plugs.

TheBlurLS1

iTrader: (8)

A 7.0l would be around a 427. 455 is more like a 7.4-7.5l.

Me. They are cheap, proven, and safe.

Look up some people running large displacement and PM them. Katech/MTI or anyone else who builds big CI motors should be able to give you some help if you give them a ring. Who built the 455?

J02ws6transam

iTrader: (4)

Steve at race engines did the block work and did a great job. My dad and i are the ones assembling the engine. maybe ill just put the ac delcos in there for now, cause after we dyno tune it, we will pull a few out anyway and take a look at them, so we will see what they look like at that time and could always change them. thanks for the help
Jon