Ok not sure if this has been posted somewhere but if it is then just delete it and I will search again. I tried to do a search on my lunch break for the type of fuel that should be put into a 420a turbo eclipse. I have heard that you have to start putting premium fuel in or there would be knocking. Is this true or would I be best to stay with the unleaded gas? Thanks for the help.

If your turbocharged you want to have the highest octane level fuel that is availiable at the pump.

If your still NA, whatever is cheapest is good haha, usually 87 octane.

Mike D
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Premium is unleaded gas. look for 92+ octane. Some areas of the country only have 91 which is all you get. sounds like you are confusing premium with leaded race fuel.

Terry

we got 94 and 104 over here in new york

LED tails : Done for now!
99 eclipse rst
cobalt blue met. paint,star stage 2 upgraded t3/t460trim turbo ceramic coated , polished compressor housing, ,optima yellow top, chrome i/c piping ,front mount ntercooler ,apexi turbo timer . zeitronix wb02 ,faze oil ,boost gauge,egt ,bosch 4x plugs,kyb agx struts, pro kit springs.17''adr venomous rims,Falken azenis ,brembo dilled/slotted rotors ,turbo xs bov ,oil catch can,manual shiftknob,autometer pyrometer egt , vortech sfmu,b&m fuel pressure gauge ,accel 310cc injectors ,gasketmatched and polished intake manifold ,58mm throttle body ,no egr,polished turbonetics wastegate,fuel pump rewire,homade fcd and a lot more .LED reverse lights ,sidemarkers and tails .atx to mtx swap . South bend tz clutch . Tons more
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http://www.2gnt.com/index.php?d=boosted60trimrst
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1996 eclipse GS-T
1968 Ford Mustang
2004 Suzuki GSXR600
2006 Honda CBR1000RR
Decisions Decisions

91 and some stations have 100 here in vegas!

if its not broken dont fix it!!

buy my shit...
stock eclipse, seats ,seat belts,deck!

You can always mix your own... with like toulene.

you really gotta get creative when you're in alaska and the highest pump is 90 LOL

-Xavier-
95 Eclipse RS-T...lost in the frozen tundra