Modification Research

Time to experiment

Best Intercooler Search Update

Background: About three years ago I made a post where I offered $400 to the person who could identify the best intercooler for the Mk7 to me. That money has never been at risk to be paid out. Lacking useful input to base a decision upon I set out to gather the information I felt […]

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Mk7 GTI IS38 OTS Tunes

Background: Following up on a post in which I discussed making a comparison between off-the-shelf IS38 tunes that are available for the Mk7 GTI. This table lists the vendors I identified that offer OTS tunes for an IS38-equipped GTI. Vendor Cost HP/TQ Unitronic $1,000 (Dealer install) / $1,165 (Uniconnect) 381/377-Crank EQT $1,075 ($350 + $725

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Apple & Orange

GTI IS38 Tune Comparison Idea

Concept: Same GTI, same parts, same day, same dyno. Flash ECU between multiple IS38 off-the-shelf tunes. Record HP/TQ of each tune to generate comparison charts. Log engine variables of each tune – such as boost, timing, and air/fuel ratio, to generate more comparison charts. Post results. Major obstacles: Obtaining ECU software and the means of

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