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Originally Posted by sixsix
Hello,
I'm working on a 'non topic' Chevy Astro 4.3 V6 enhancement or swap to a 350 V8. Since I've been to just a few topics, I have to ask a couple, maybe obvious ( to all 'cept me ) questions.
What is/are NBS, LS1 & OBS? And is there a place here at FULLSIZE that defines some of the terms - maybe I've been away too long. In a past life, I rebuilt British engines, Ford man. 3 speeds and rebuilt a couple of British cars - was a jet engine mechanic in an even better life.
Thanks in advance,
 Mike |
this isn't really the thread to ask these questions...but no biggie.
OBS= Old Body Style. it's FSCism for the 89-98 model trucks.
NBS= New Body Style. It's FSCism for the 99-02 model trucks.
LS1= the 5.7L 98-02 corvette/firebird/camaro engine
LSx= the family of LS1 based engines. the 4.8L, 5.3L, 5.7L, 6.0L, and 7.0L.