12-25-2003, 08:31 PM
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Club Cobra Member
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Join Date: Feb 2003
Location: Sterling,
IL
Cobra Make, Engine: SPF #1507 427 Dart Block Windsor
Posts: 1,192
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Not Ranked
Rick,
Did you receive my email reply?
TKO and 3550 have the same 5th gear ratio, I believe. The TKO is rated for more torque than the 3550 and the TKO 2 is similar to the TKO but with a lower 5th gear (TKO .68, TKO 2 .82 or thereabouts). Even with a car this light, I'd want the extra strength of the TKO series with a motor like this.
I can get 93 octane gas here in northern IL, so that's what I use. On a trip to New Mexico in May, I was only able to get 90 octane or maybe even 89 octane in some parts of the southwest. Apparently, with the thinner air, the engine is less susceptible to preignition, so octane requirements are lower. I didn't experience any problems with knocking, but that's one of the reasons I wanted a little lower compression when I had my motor built.
This motor is a pu$$ycat around town and transitions from little kitty to big cat without hesitation. It's very streetable and a pleasure to drive no matter where you are. Even in stop and go traffic the motor is fine; it's just a pain to have to keep operating the clutch. Definitely an all around performer.
Edited for "pu$$ycat"; the spelling police rejected the "P" word.
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