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injector upgrade for e85

Tuning for E85 and ran out of duty cycle with the id 725 injectors. In with the 1000s and looks like that's cured. Now we'll see if the fuel delivery can keep up.


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75 930, 76 930, 83 SC EFI turbo
Old 09-13-2015, 03:43 PM
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How did you like your ID 725s?

What power level were you at when they tapped out?
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Old 09-13-2015, 04:07 PM
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I haven't had it on the dyno yet. For now I'm logging everything possible to find any problems before it gets strapped down. Fuel pressure is my next guess.

The 725s will handle just about all you can throw at it running gas, awesome injectors.
I have them posted in the for sale section.
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75 930, 76 930, 83 SC EFI turbo
Old 09-13-2015, 05:04 PM
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Me pants are a 'lil tighter.....
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Cory - '87 C3.2 (3.4, stock 3.2 heads, cams, intake, with 75mm Mustang TB) Guards/Blk - turbos new to old 1). Borg Warner S366 (66mm comp/73mm turb/0.91 T4 divided ~1.4 bar), 2). Holset HX40 8-blade (58mm/"P" trim 0.84 T4 divided 1.4 bar), 1/4 mile 12.02 @ 129 MPH (street tires), 3). Turbonetics 60-1 HiFi (60mm/"P" trim 0.81 A/R T4 open 1.2 bar), 431whp - MegaSquirt II/EDIS ignition/80lb inj
Old 09-13-2015, 05:15 PM
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Quote:
Originally Posted by willtel View Post
How did you like your ID 725s?

What power level were you at when they tapped out?
I bet ID's are superb, but you can pick up Siemens Deka 875cc/80lb high-Z's for $300 on ebay new.

Love mine, nice idle.
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Cory - '87 C3.2 (3.4, stock 3.2 heads, cams, intake, with 75mm Mustang TB) Guards/Blk - turbos new to old 1). Borg Warner S366 (66mm comp/73mm turb/0.91 T4 divided ~1.4 bar), 2). Holset HX40 8-blade (58mm/"P" trim 0.84 T4 divided 1.4 bar), 1/4 mile 12.02 @ 129 MPH (street tires), 3). Turbonetics 60-1 HiFi (60mm/"P" trim 0.81 A/R T4 open 1.2 bar), 431whp - MegaSquirt II/EDIS ignition/80lb inj
Old 09-13-2015, 05:18 PM
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They modify injectors and you pay them for the flow test in a nutshell.
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Old 09-13-2015, 05:54 PM
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You will need to raise static fuel pressure from( I assume) 43.5 to 50 -55# to see numbers north of 550 on e-85
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88 930 3.4 ,Twin plugged billet Xtreme cylinder heads and denso COPs, Dougherty custom GT 2 evo cams,pauter rods,Garrett Gt40,ms3x Efi ,1100cc injectors,extrude honed 3.2 intake,TK billet fullbay I/C,MODE headers,KEP stage 2,E-85 706 rwhp
Old 09-14-2015, 03:25 AM
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Quote:
Originally Posted by Tippy View Post
I bet ID's are superb, but you can pick up Siemens Deka 875cc/80lb high-Z's for $300 on ebay new.

Love mine, nice idle.
I already have ID 725s and was just curious about how people liked them as I haven't shot any fuel through them yet.

I suppose while I have my car apart I should add the supporting hardware for E85 "while I am in there".
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Old 09-14-2015, 05:35 AM
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I would go bigger on the injectors if your thinking of running E85, the 725s are not going to flow enough even with a higher fuel pressure.
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Old 09-14-2015, 08:48 AM
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Nice :-)
What HP goal are you aiming for?
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Old 09-14-2015, 08:54 AM
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For now I'm shooting for 500 at the wheels, That's probably a push for the gt35...
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Old 09-14-2015, 09:09 AM
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Quote:
Originally Posted by willtel View Post
I already have ID 725s and was just curious about how people liked them as I haven't shot any fuel through them yet.

I suppose while I have my car apart I should add the supporting hardware for E85 "while I am in there".
Always read ID's idled great. That's 95% the issue with big injectors. IMO, if you have good idle, everything else is trivial.
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Cory - '87 C3.2 (3.4, stock 3.2 heads, cams, intake, with 75mm Mustang TB) Guards/Blk - turbos new to old 1). Borg Warner S366 (66mm comp/73mm turb/0.91 T4 divided ~1.4 bar), 2). Holset HX40 8-blade (58mm/"P" trim 0.84 T4 divided 1.4 bar), 1/4 mile 12.02 @ 129 MPH (street tires), 3). Turbonetics 60-1 HiFi (60mm/"P" trim 0.81 A/R T4 open 1.2 bar), 431whp - MegaSquirt II/EDIS ignition/80lb inj
Old 09-14-2015, 10:06 AM
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Quote:
Originally Posted by lite75 View Post
For now I'm shooting for 500 at the wheels, That's probably a push for the gt35...
I think Chris Carroll got 575whp out of GT35? You should be fine AFAIK.

I've seen even higher with E85 and meth......of course, that's a whole 'nuther subject....
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Cory - '87 C3.2 (3.4, stock 3.2 heads, cams, intake, with 75mm Mustang TB) Guards/Blk - turbos new to old 1). Borg Warner S366 (66mm comp/73mm turb/0.91 T4 divided ~1.4 bar), 2). Holset HX40 8-blade (58mm/"P" trim 0.84 T4 divided 1.4 bar), 1/4 mile 12.02 @ 129 MPH (street tires), 3). Turbonetics 60-1 HiFi (60mm/"P" trim 0.81 A/R T4 open 1.2 bar), 431whp - MegaSquirt II/EDIS ignition/80lb inj
Old 09-14-2015, 10:07 AM
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I was getting a little over 500 with a gt35 and a pancake manifold. Most of your good big linjectors have excellent idle qualities. My 1100s idle better than my old 800s.if you are going to be running e-85 as a main fuel 1000 is min.
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88 930 3.4 ,Twin plugged billet Xtreme cylinder heads and denso COPs, Dougherty custom GT 2 evo cams,pauter rods,Garrett Gt40,ms3x Efi ,1100cc injectors,extrude honed 3.2 intake,TK billet fullbay I/C,MODE headers,KEP stage 2,E-85 706 rwhp
Old 09-14-2015, 03:39 PM
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Injector Dynamics = best of the best. Period. You get all the tech data you need to program the ECU and get factory-smooth performance from the injectors. It's why we get ID2000s to behave perfectly at 875rpm idle as well as 7,500rpm.

xbmwguy is right, you'll need to up your fuel pressure.
Tom's UBER930 did 722whp on e85 with ID1000s at at higher fuel pressure.

Correct, we hit 575whp and ran out of turbo compressor flow on a built 3.3L EFI engine. She wanted more.
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Old 09-14-2015, 04:56 PM
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VE table dialed in, fuel pressure holding steady. EBC needs to be sorted out and I'll start adding the pressure...
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Old 09-16-2015, 01:21 PM
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Ebc sorted, looks like the wastegate pipe doesn't flow enough to keep the boost under control. Header mods in the works...
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Old 09-24-2015, 10:45 AM
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I pulled down a set of Protomotive headers I had hanging in the shop and decided to rework them for a T4 twin scroll turbo. New collector going together, twin 38mm tials on the way..



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Old 10-26-2015, 03:30 PM
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Beautiful work. Are you doing the exhaust work or is farmed out ? Either way, very nice.
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81 Pacific Blue 930 Euro coupe slicktop on a strict diet, Rarlyl8 headers, Blowzilla turbo, Tial waste gate, Full bay I/C, Home made center out exhaust, Leask WUR, MSD 6AL, PLX wideband
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Old 10-26-2015, 09:34 PM
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Thanks, I'm doing the fit up but the tig work is being done by others. I'm a part owner in a fabrication shop, with a waterjet at my disposal. makes this end of the project fun for me.
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Old 10-26-2015, 10:35 PM
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