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Where or who is a good or the best LS tuner around the Boston area?! Not afraid of a little road trip, weather it be NH,RI,CT or ME. I recently had my car tuned up in NH not gonna mention the shop name. The guy seemed pretty good like he knew what he was talking about, car made Good power but now recently after installing a Billy Boat axle back system and the car being loud. After driving and the car being up to temp Coming to a complete stop after 10seconds idling it will backfire extremely loud, It also does this when slowly coasting in first, Say like creeping down a quiet neighborhood street trying to park. Really obnoxious just one loud Pop randomly. Must be some type of too much fuel idling. I never heard or felt the car do this before this exhaust as it was pretty muffled and quiet before. Also curious if upgrading injectors (as he recommended with my mods) Deatschwerks 60lbs) Could be playing a factor as he said i could upgrade to practically any and if i planned on down the road adding a SC kit i could buy good enough size injectors now and they will fuel enough down the road. Thankyou all in advance this forum rocks!
60 lb injectors on a head, cam car are overkill.
for example a 500hp engine at 80% duty cycle only needs a 40lb injector.
I can imagine the flow/pattern of a 60lb injector at whatever low duty cycle under idling is, is gonna be greater than that of a 40lb injector, Probably causing my backfiring when the car is warmed after driving only, it wont do it warmed and just idling. Almost as if the injectors are flowing too much at low throttle input so all the added flow or too much flow after coming to a stop combusts causing the backfire I might toss these into a future parts collection and grab some smaller injectors maybe like 38lb It wouldve been nice to be informed by the tuner this is a possibility going with such large injectors for this setup currently and wouldve also been nice for the backfiring to happen right after the dyno runs and street testing but again that old exhaust setup muffled it pretty well if this was happening since the tuning. Thanks for the Reply