Quote:
Originally Posted by XBAJBUSX
ok i got 1988 gt which fuel then i should use regualer mid or super please let me know because i'm really confuse i got stock engine ,
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In a nutshell:
If your running regular and are not getting any knock/ping: Keep using regular.
If you play with the timing, etc and the car starts to knock, then try the next grade up, repeat as needed.
If the car is stock, more than likely regular is all you need.
J
*Edit* WOOT WOOT, 400 posts, and it only took me about 5 years!

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'66 Mustang Coupe- AKA "Lenore" *on disability for a (long) bit*
'93 GT Mostly stock AKA "Fawkes"
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