New Parts? Intake, Exhaust, Computer?

3448 Views 7 Replies 7 Participants Last post by Steve727, Jul 29, 2011

Carbon

Discussion Starter · May 29, 2011

Came across this site today advertising stuff I've never heard of. LEMS Intake and Exhaust parts, and a computer by HKS on page 2.

http://www.tuning4speed.com/epages/62508063.sf/en_GB/?ObjectPath=/Shops/62508063/Categories/CARS/LEXUS/ISF__ISC_SERIES

Anyone had experience with LEMS or these parts?

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Guilhem

· #2 · May 30, 2011

The HKS VAC removes the speed limit but it has not been tried on non-JDM ECUs as far as I know

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Tango

· #3 · May 30, 2011

Some very expensive parts on a site that takes no responsibility for fitment of any of them to an IS-F sold out of Japan.

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Hks vac

After fixing the VAC on my ISF, the IS-F logo was blinking on the VAC for few times and then it is stop blinking, that means everything is ok as per the catalogue.
On the Idle when start push the Gas, the RPM is moving up very slow.
When driving the car, the performance is VERY bad!! Without the VAC the car is much powerful.

Please advice if someone know any solution

Thanks

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