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I bought this directly from John Hennessey already built. So I didn’t have a wait time. I know a couple that have gone this route where they sent their car over and it seemed like a few months. That’s totally anecdotal on my part. Could have been shorter or longer. I’m neutral on Hennessey. Some...

I have a 2016 GT350. I’ll take some criticism here, some fair, that it has the HPE 850 package by Hennessey on it. I had Lund and DBR completely re-do the tuning on the car to get it more dialed in. I have some carbon fiber upgrades going on as well both on interior and exterior. My plans are to...

Yes sir...they kept the flat plane crank but slightly lowered compression. I don't think they had to necessarily lower compression because it's not running more than 10 lbs of boost. There is some discussion about the motors and handling boost. The experts are probably better to talk to that...

Hey man...definitely see what you're saying. They "can" be good in terms of they know what they are doing mechanically. But there are peripheral issues that I suppose I shouldn't get into all that much. Anyway, yeah...To be honest, I'm originally from Alaska and growing up and seen the brand...

Zitrosounds eluded to it...Without getting into public bashing of a company, the car "should" have been ready, yes, when I first bought it. The work done was done well, mechanically. The issue was with the tuning (and confidence that the company would honor the work and work with you as a...

Congrats on the big numbers. My car actually has a very similar set up. I have a whipple supercharged 2016 GT350. Makes between 850 - 900 HP. Have you had issues with either the Whipple Throttle Body or the bypass valve? Mine has had some tuning issues. First from Hennessey who did the build and...

New to this forum and new GT350 owner. I've been given the thumbs up, had people ask if they can get a pic of it, and had people video me driving by them on the Interstate.