gas? lt1
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Originally Posted by coldkillinTA
why would you want to run anything lesser grade? its only like 20-30 cents more per gallon.. im sure you have a couple dimes laying around for that.
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should be able to run midgrade. might want to get a tune.. FYI stock tune for B-body LT1s were 87 octane. Then again we have around 10:1 compression, compared to your guys what? 10.3-10.5:1?
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#12
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Originally Posted by daniel6718
buffman...f-bodies were 10.5...impala were 11
The f-body was 10.4 the b-body was 10.0 but with iron heads and everyone knows aluminum allows higher compression.
For a retrofit application you will likely need reprogramming anyway so reprogram it for 87 octane and you will be fine.
If a heavy pig of a b-body is OK lugging the motor with 2.56s(wagons) and iron heads at 10:1 the aluminum head engine in a lighter car would be no problem whatsoever to make run on 87 octane.
#16
Originally Posted by Formula96
run 87, i promise you will have no problems, most people on here dont even know anything about octane ratings...
#18
Originally Posted by 00transamnh
because im thinking of picking up an lt1 for dirt money with low miles on it for my second car... and quite frankley i dont give a **** about keeping performace with it
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Originally Posted by Paul Bell
If this is a second car you're buying for good gas milage, you're buying the wrong car. You could try lower octane gas but watch for pinging when everything's hot. High octane like it says on the gas door is what you should be using.
AND YES! I AM ONE OF THOSE LS1 DICKEADS