Quick spark plug question

12secondSY

12secondSY

Syty Killer :(
Should I run NGK TR6IX plugs or TR7IX plugs? See sig for build, most days I'll be around 18-20 psi, more to race it. Thanks :)
 
G

Grimgrak

New member
Re: Quick spark plug question

Typically people dont use iriduims because they are a harder material and if u have detonation it will damage alot more crap where as copper would just get crushed flat and spit out without doing as much damage. However I would use only iriduims after tuning on coppers first.
 
dgoodhue

dgoodhue

BuSTeD 4.3
Re: Quick spark plug question

Some people like the ix's, but I have never used them. IMO 7's are too cold for street driven truck.
 
12secondSY

12secondSY

Syty Killer :(
Re: Quick spark plug question

Grimgrak said:
Typically people dont use iriduims because they are a harder material and if u have detonation it will damage alot more crap where as copper would just get crushed flat and spit out without doing as much damage. However I would use only iriduims after tuning on coppers first.
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Makes sense, I will start with the TR6's then and get my tune right.
 
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