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The Terminator
Engine/Tuning
Going from TR6 to TR7IX: Worth it?
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<blockquote data-quote="Steeda30" data-source="post: 7825915" data-attributes="member: 23794"><p>The TR7IX's offer greatly improved driveability over a copper plug, they are also colder, which is a good thing, detonation suppressent. They wick more heat out of the combustion chamber. They are not so cold that they will foul though. </p><p></p><p>I've ran them for the past 40k miles, with my upper/lower ported Eaton and they have been outstanding. </p><p></p><p>They've held up to several instances of severe (piston melting) detonation as well - where my Denso Iridiums did not. The porcelain on the NGK's is stronger than on the Denso's. </p><p></p><p>All copper plugs I've tried have given me relatively sluggish tip-in throttle response and bad driveability at slow speeds and part throttle (slight buck/miss). </p><p></p><p>Switching to the TR7IX (.035) was a night and day difference, the tip-in power/snap is substantially improved, the part throttle driveability is equally improved, it is a much smoother running car. Everyone seems stuck on the TR6, and I can't figure out why, other than it's cheap.</p><p></p><p>My car is a daily driver with 96k miles on it, and it is not babied, I wanted a plug that offered better detonation resistance and superior driveability, the TR7IX was the answer!</p></blockquote><p></p>
[QUOTE="Steeda30, post: 7825915, member: 23794"] The TR7IX's offer greatly improved driveability over a copper plug, they are also colder, which is a good thing, detonation suppressent. They wick more heat out of the combustion chamber. They are not so cold that they will foul though. I've ran them for the past 40k miles, with my upper/lower ported Eaton and they have been outstanding. They've held up to several instances of severe (piston melting) detonation as well - where my Denso Iridiums did not. The porcelain on the NGK's is stronger than on the Denso's. All copper plugs I've tried have given me relatively sluggish tip-in throttle response and bad driveability at slow speeds and part throttle (slight buck/miss). Switching to the TR7IX (.035) was a night and day difference, the tip-in power/snap is substantially improved, the part throttle driveability is equally improved, it is a much smoother running car. Everyone seems stuck on the TR6, and I can't figure out why, other than it's cheap. My car is a daily driver with 96k miles on it, and it is not babied, I wanted a plug that offered better detonation resistance and superior driveability, the TR7IX was the answer! [/QUOTE]
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Going from TR6 to TR7IX: Worth it?
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