~300WHP build with TVS; Part list advice?
#27
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I do appreciate the advice, but I am going with 80# with my TVS setup. I don't plan to port or swap cams, don't plan to go heavier springs or rev higher than ~7200rpm, don't plan to build the bottom end, and I'd rather get away without a return style fuel system.
I'm targeting 280-320 whp, so ideally the TVS with a ~2.9" pulley will get me there with some cooling mods, headers, catless downpine, exhaust, CAI, 80#, and E-tune. I feel like this is a pretty sane goal.
My intention is to also tune on 93 so I can swap back and forth if the need arises. I did buy a MPIV2 and have been playing around with the HPTuners software, and doing a lot of reading/video watching, and I'll be working with a local-ish tuner (James Rakes) for both tunes. If I can, I'll just tune back to make the 80# work. If my IDC is sitting too high, I will buy some 120#'s and sell off the 80#, but I'd really rather not because I imagine a 93 tune with 120# could be tough (idle issues), hence why I want to make 80# work.
Again, let's revisit the ultimate goal here. This engine will be pulled for a DF Goblin Kit Car. Basically a 1600 pound, street-legal, adult-sized go-kart. A 300whp LSJ will do really well in that kind of setup. There are some other considerations when I do build the kit, like I will no longer be using the CAI. Instead, it will a short ram intake. Exhaust set up will also be shorter. I don't expect those two things to cause any major changes, but it should be slightly less restricted, or so I would think.
I'm targeting 280-320 whp, so ideally the TVS with a ~2.9" pulley will get me there with some cooling mods, headers, catless downpine, exhaust, CAI, 80#, and E-tune. I feel like this is a pretty sane goal.
My intention is to also tune on 93 so I can swap back and forth if the need arises. I did buy a MPIV2 and have been playing around with the HPTuners software, and doing a lot of reading/video watching, and I'll be working with a local-ish tuner (James Rakes) for both tunes. If I can, I'll just tune back to make the 80# work. If my IDC is sitting too high, I will buy some 120#'s and sell off the 80#, but I'd really rather not because I imagine a 93 tune with 120# could be tough (idle issues), hence why I want to make 80# work.
Again, let's revisit the ultimate goal here. This engine will be pulled for a DF Goblin Kit Car. Basically a 1600 pound, street-legal, adult-sized go-kart. A 300whp LSJ will do really well in that kind of setup. There are some other considerations when I do build the kit, like I will no longer be using the CAI. Instead, it will a short ram intake. Exhaust set up will also be shorter. I don't expect those two things to cause any major changes, but it should be slightly less restricted, or so I would think.
Last edited by tycoonbob; 02-18-2019 at 04:25 PM. Reason: Corrected the intake info.
#28
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There are some other considerations when I do build the kit, like I will no longer be using the CAI. Instead, it will basically be a cone filter right on the throttle body. Exhaust set up will also be shorter. I don't expect those two things to cause any major changes, but it should be slightly less restricted, or so I would think.
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I come here to start gathering info for my Goblin's engine build and you've already got a solid thread going tycoonbob.
I've also been wondering about the LS4 on a Goblin. I wonder if the sensitivity can be adjusted somehow.
I've also been wondering about the LS4 on a Goblin. I wonder if the sensitivity can be adjusted somehow.
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FYI, there is a Goblin Owners Group on FB I would recommend joining, as well as the forums at df kit car's website. If interested, I'm @deviantgoblin on IG, and have been sharing a bit about my Cobalt so far, and will continue with the Goblin when that time comes (this fall, I hope!).
Good luck on your build!
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