New Build, from TVS to CPR

corepwn · Feb 20, 2017

Made it out to the dyno to finally get some sort of measurement since the tracks are closed. Here's a graph showing Wastegate pressure (7-8psi) and 21 psi through the full exhaust. I maxed my fuel system(2x 465s) during the last pull so it went pretty lean around 5800rpm and above. Third pump on order!

I also have some boost control fluctuation to work on with the eBoost, but this was all with the base sensitivity and gate pressure settings, just doing a pull, upping boost, checking the log, and doing another pull until I ran out of fuel. Gains are between 25 and 35rwhp per psi of boost up to this point. The track opens end of next month so we'll see how she does in the real world soon!

FIFTY · Feb 21, 2017

corepwn said:
Made it out to the dyno to finally get some sort of measurement since the tracks are closed. Here's a graph showing Wastegate pressure (7-8psi) and 21 psi through the full exhaust. I maxed my fuel system(2x 465s) during the last pull so it went pretty lean around 5800rpm and above. Third pump on order!

I also have some boost control fluctuation to work on with the eBoost, but this was all with the base sensitivity and gate pressure settings, just doing a pull, upping boost, checking the log, and doing another pull until I ran out of fuel. Gains are between 25 and 35rwhp per psi of boost up to this point. The track opens end of next month so we'll see how she does in the real world soon!

Great results is this on e85? What mufflers are you running?

corepwn · Feb 21, 2017

Thanks! Yes, this is on e85 fuel. I'm running the MBRP Race Catback for mufflers.

I don't think there's much restriction (you could probably roll a tennis ball from the downpipe out the rear tail pipes) but who knows. I may re-run the car in the future with the mid pipes disconnected just to see if there's any gains to be had from cutouts, but not a priority. I'm a bit more interested how it will do with proper fueling at current and higher boost levels.

Made a mess last night pulling the dual pump hat out to go to Fore, protip: Unless you want fuel all over your garage floor, make sure you have LOW gas before pulling the pump module.

sur_real1 · Feb 21, 2017

Awesome build! I've seen your car around. Do you come out to any of the cruises during the summer?

corepwn · Feb 21, 2017

Thanks! I haven't been to any cruises, just hit up the track and drive around when it's decent out. If there's a local get together I'd be game to check it out though.

corepwn · Feb 22, 2017

Fixed the sheet, looks like the link was broken.

Here's a video too:

sur_real1 · Feb 22, 2017

Is that carb connection's dyno?

corepwn · Feb 22, 2017

sur_real1 said:
Is that carb connection's dyno?

Yep, sure is. Troy running the dyno, me in the car. They've been pretty accommodating to me.

sur_real1 · Feb 22, 2017

I haven't been on their dyno in forever. The guys I work with plan dyno days there every now and again. It's a good shop that stays pretty hidden.

onefastmf · Feb 22, 2017

If i were you i would skip the cutouts and just drop the mid-pipes, thats the only real restriction really, the tubes are slimed down a little for clearance by the k member. Its super easy and if you installed the kit you know it fits like a glove!

corepwn · Feb 22, 2017

Yeah, dropping the pipes is doable for track use or hero dyno pulls, but the cutouts would do the same thing and by just pressing a button from the comfort of the cabin.

Definitely not a concern for now. I don't think there's any issue pushing toward 1100rwhp with the full exhaust in place.

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