tuning intake
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Do custom snorkels cause the engine to run lean?
Went looking for a snorkel to fit to the subie today and got chatting with one of the guys at TJM. He said that with some custom snorkel jobs at freeway speeds the ram air effect is too much and can cause the engine to run lean and also to screw up fuel efficiency. Is this true and would a...- ALMOSTunseen
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- gas flow intake manifold snorkel tuning intake
- Replies: 16
- Forum: Engine & Exhaust