Tune with aftermarket cam?

[ajs88]

86 svo 2.3 turbo car... 1.) Do I have to tune it or will it compensate for itself? 2.) What kind of tuner would I need if I have to? 3.) Any other info. I need to know before switching the cam out?

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[ExtrmZ]

dont go too extreme and there will be no problems

[sleeper_inc]

As long as the car makes enough vacuum (18 in/hg) you'll be fine, people are running bo-ports stage 1.5 on the stock computer with no problems

[ajs88]

vacuum at idle I assume? If so im at 21in....