06-16-2022, 08:37 AM | #15 |
Drives: Turbo 6.2 Join Date: Feb 2019
Location: Buffalo
Posts: 702
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love these threads. Sucks I didn't know about the +43 cam when I built my motor. I believe I have the +38. Can the +43 lobe be used with the lt4 hpfp?
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2016 Turbo Camaro SS - 800hp/900tq 9.7@146
2018 LTZ Z71 Redline Silverado - 381hp/420tq 13.8@100 |
06-16-2022, 08:58 AM | #16 | ||
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,953
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For example: On the C7Z with +30 injectors running 2900psi with the same cam, high and low side, the setup was maxed around E40. Going to +65's and lowering rail allowed the Ethanol content to be increased back up to E65. So far from a wash but not exactly a home run either being the E content still has to be blended. The goal was to be able to stay around E60 as that is the sweet spot for Ethanol. If the setup had a +43 cam or secondary hpfp it would likely be able to run close to full E. But again the only point in running full E is simply for the convenience of not needing to blend. It doesn't gain much else vs E60.
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA Last edited by KingLT1; 06-16-2022 at 09:25 AM. |
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06-16-2022, 08:59 AM | #17 | |
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 5,124
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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06-16-2022, 09:54 AM | #18 |
Drives: 2017 ZL1 Join Date: Jun 2018
Location: Randolph
Posts: 317
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I didn't know there was a line that large either. Iv heard of 38%. Sometimes I think these shops don't tell you so when you want to take it to the next level they can charge you again
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Kooks full exhaust, Roto Fab, Whipple,Williams 103, Fore innovation, JRE cam and tuning
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06-19-2022, 06:33 PM | #19 |
I had the XDI pump..Don't do it. It's very expensive(plus you gotta buy the injectors),ton of belt slip and you gotta change the oil in the pump every 1000 miles. I eventually went port injection for 1/4 of the price and it is super reliable.
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06-19-2022, 06:53 PM | #20 | |
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 5,124
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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06-20-2022, 05:40 AM | #21 |
Drives: 2017 ZL1 Join Date: Jun 2018
Location: Randolph
Posts: 317
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Kooks full exhaust, Roto Fab, Whipple,Williams 103, Fore innovation, JRE cam and tuning
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06-20-2022, 07:21 AM | #22 |
Dyno Show Queen LOL
Drives: 16 SS & 17 ZL1 Both Yellow Join Date: Jan 2014
Location: Houston
Posts: 4,349
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Could be miss information, but I was over Sorian's Tuning and JR came in while Matt was on a test drive with my car He said he had a failure on an XDI pump and Uwe told them just to bolt the oem LT4 pump to their belt driven system.
Only the C7 vette on katech's video ad and the Jannetty zl1 are the only 2 builds I have seen. I figured Dailey ZL1 youtube guy was going to get it since he had katech do his work but no just another high dollar 800 hp motor with no attention to fueling When I did my setup I was offered the XDI at cost pretty damn cheap. However it was uncharted territory and we knew port worked all ready so no reason to take a chance. Even at cost it still was more than Haltec's ecu, ID1050s, and crawfords machine work. I'll be honest I've had to do some retunes on the DI/port setup just to make the port transition smoother i was seeing a little hesitation/stumble sometimes right when it comes on I'm scheduled to get a 2nd map installed to help instead of ipw based operation of the TPS. Some of the problems are going from atmosphere to a lot of boost, transition from 30/40% ve toi 100++. I was a little frustrated and asked Matt about pulling the port of and tryin the XDi stuff he was not found of it probably from the car Jrod brought him.. pretty much to the point he didn't want to touch it if I did that. Honestly I'm surprised DSX hasn't built something to compete with XDI and more dependable. I'm damn near tempted to cut a fuel lobe off a cam, drill the center out to install a shaft, fit 2 bearings on it and a pulley, and build a case for the pump to sit on. after that is some fuel lines and wire harness to other pump. wow didn't know about the 1000 mile oil change.. surprised they didn't pump motor in there box and gravity feed it back to motor.
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Kong Ported 2650, Crawford Racing Port Injection, Weapon X 112mm Adapter, NW112mm TB, Livernois Ported LT4 Heads, Lingenfelter GT32 stealth cam, Haltech Elite, and Carbon by Trufiber Last edited by EDFHOBBIES; 06-20-2022 at 07:31 AM. |
06-20-2022, 01:18 PM | #23 |
Drives: 2015 Camaro ZL1 Join Date: Oct 2020
Location: Clinton Twp, Michigan
Posts: 286
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We were involved in the development/testing of the original XFP kits. We have installed quite a few of them.
The 1st iteration of the Camaro kit did have belt slip. The brackets were revised and the belt slip issue was fixed. All the broken pumps have been from Z06's. The Z06 has to run the pump on the supercharger drive because of packaging reasons. The tension from the supercharger belt ends up failing the front bearing. I have not seen a Camaro kit fail yet. Running on the accessory drive is much easier on the pump and bearings. The allure to the XFP system is that it's extremely simple. Add the pump, injectors, supplied controller, and go. 1,000RWHP+ on DI only. Companies such as Toohighpsi & Crawford have made port injection a lot more plug & play than it originally was. We are in the middle of 1 job and have 2 more booked for port injection. |
06-20-2022, 03:24 PM | #24 | |
Dyno Show Queen LOL
Drives: 16 SS & 17 ZL1 Both Yellow Join Date: Jan 2014
Location: Houston
Posts: 4,349
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Who's ecu are you using to run the port? Would you say the port route is cheaper?
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Kong Ported 2650, Crawford Racing Port Injection, Weapon X 112mm Adapter, NW112mm TB, Livernois Ported LT4 Heads, Lingenfelter GT32 stealth cam, Haltech Elite, and Carbon by Trufiber |
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06-20-2022, 03:45 PM | #25 | |
Drives: 2015 Camaro ZL1 Join Date: Oct 2020
Location: Clinton Twp, Michigan
Posts: 286
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I'm not sure its cheaper. You need: Toohighpsi spacer plates/rails Injectors Toohighpsi blower lid Crawford kit Fittings and lines for the rails The install is a bit more time consuming as well. |
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06-20-2022, 04:41 PM | #26 | |
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I used the toohighpsi spacers on the stock supercharger so no need for the magnasun lid. I did not need the crawford kit,all I needed was the spacers,injectors and the holley terminator x kit. |
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06-21-2022, 08:03 AM | #27 |
Dyno Show Queen LOL
Drives: 16 SS & 17 ZL1 Both Yellow Join Date: Jan 2014
Location: Houston
Posts: 4,349
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I think you will find that the Elite 950 or up with WBII (2 wideband inputs) will cut the cost by double for the ECU like 2500 bucks That dominator/eliminator kit is an over kill and you don't even need 90% of the inputs. I've seen a few local cars with Holley and you have a lot wires just tied up not being used. It really pays to have a good tuner that usually just makes his own harness.
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Kong Ported 2650, Crawford Racing Port Injection, Weapon X 112mm Adapter, NW112mm TB, Livernois Ported LT4 Heads, Lingenfelter GT32 stealth cam, Haltech Elite, and Carbon by Trufiber |
06-21-2022, 08:08 AM | #28 |
Dyno Show Queen LOL
Drives: 16 SS & 17 ZL1 Both Yellow Join Date: Jan 2014
Location: Houston
Posts: 4,349
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What was the terminator kit number?
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Kong Ported 2650, Crawford Racing Port Injection, Weapon X 112mm Adapter, NW112mm TB, Livernois Ported LT4 Heads, Lingenfelter GT32 stealth cam, Haltech Elite, and Carbon by Trufiber |
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