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Injector limits

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If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. Results 1 to 14 of 14 Thread: Injector limits Thread Tools Show Printable Version Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode 02-28-2006, 05:04 PM #1 tucky View Profile View Forum Posts Private Message View Blog Entries No Skills Join Date Feb 2006 Posts 152 Thanks  3 Thanks  1 Thanked in1 Post Total Contributions For
tucky     $ 0.00 Injector limits Hi , new on this site but recognise a few guys on here.

I have a mk2 with a 1mz supercharged engine, I've upgraded to the fuel pump to a walbro. I have a 6 psi pulley to go on, will the standard injectors be able to handle this or will I have to put a set of supra injectors in?

Phil. Reply With Quote 02-28-2006, 05:44 PM #2 Toysrme View Profile View Forum Posts Private Message View Blog Entries Cage Fighter Join Date Oct 2005 Posts 681 Thanks  4 Thanks  24 Thanked in18 Posts Total Contributions For
Toysrme     $ 0.00 It's a yes & no answer. The answer is yes, but not well.
They're good for about 250-260bhp & Based on numerous 1mz-fe dyno's you're running the ragged limit on that.
Also, if you don't have any form of engine management, there is no way you're going to get good fuel control when you need it on the stock ECU, so expect to be running really lean. If all you have is a pump, then you need something ASAP before you destroy something.


*Add some form of management
*Add more fuel, be that fuel pressure, an extra injector, a v6 cold-start injector, or replace all the injectors.

Pretty much have to do both to keep everything in check over the long haul. It's not big deal, just something that has to be done ya know. AIM/Yahoo/ICQ - Toysrme257th
PM for anything, anytime; including v6 turbos!
Reply With Quote 02-28-2006, 11:58 PM #3 Weasy2k View Profile View Forum Posts Private Message View Blog Entries What is an MR2? Join Date Mar 2005 Location Vancouver, BC Posts 8,873 Thanks  33 Thanks  84 Thanked in69 Posts Total Contributions For
Weasy2k     $ 0.00 What are the sotck injector rates of the 1mz? Reply With Quote 03-01-2006, 02:06 PM #4 tucky View Profile View Forum Posts Private Message View Blog Entries No Skills Join Date Feb 2006 Posts 152 Thanks  3 Thanks  1 Thanked in1 Post Total Contributions For
tucky     $ 0.00 Thanks for the reply. I have a fuel pressure regulator on. Looks like I'm gonna have to stick with the standard 4 psi, I can manage the injectors but can't afford to upgrade the ecu at the moment. Reply With Quote 03-01-2006, 08:53 PM #5 Weasy2k View Profile View Forum Posts Private Message View Blog Entries What is an MR2? Join Date Mar 2005 Location Vancouver, BC Posts 8,873 Thanks  33 Thanks  84 Thanked in69 Posts Total Contributions For
Weasy2k     $ 0.00 good choice....why cant i find the dman rating of those 1mz/3mz injectors.. Reply With Quote 03-02-2006, 12:44 AM #6 Toysrme View Profile View Forum Posts Private Message View Blog Entries Cage Fighter Join Date Oct 2005 Posts 681 Thanks  4 Thanks  24 Thanked in18 Posts Total Contributions For
Toysrme     $ 0.00 They changed a few times.
They started @ 240cc & the BEAMS eventually wound up getting the 260cc ones. Tho I'm tihnking it's really like, the same *size* injector, but @ 48-51psi instead of 41psi.



I just can't remember offhand. Ask on Solaraguy.com forums & say yous earched & couldn't find anything. (Because Solaraguy's searches are sucky ). AIM/Yahoo/ICQ - Toysrme257th
PM for anything, anytime; including v6 turbos!
Reply With Quote 03-02-2006, 01:36 AM #7 Weasy2k View Profile View Forum Posts Private Message View Blog Entries What is an MR2? Join Date Mar 2005 Location Vancouver, BC Posts 8,873 Thanks  33 Thanks  84 Thanked in69 Posts Total Contributions For
Weasy2k     $ 0.00 excelent to hear Reply With Quote 03-02-2006, 11:49 AM #8 DaveMush View Profile View Forum Posts Private Message View Blog Entries Visit Homepage Mr2 V6 #8 Join Date Aug 2005 Location Syracuse, Ny Posts 416 Thanks  0 Thanks  14 Thanked in11 Posts Total Contributions For
DaveMush     $ 0.00 do a search on the other board... I have a few threads discussing injectors in the 1mz....
The only ones who know for sure what they are rated at are Brad Bedell and Mike King... They both had them flow tested, cleaned and balanced...
But neither of them can find the paperwork.
91'/01' Mr2 V6, Purplish Blue Mica, 98' body
Dyno DaveMush.com Why I did the V6 swap...

1MZ running well... 2GR being rebuilt as we speak...
Reply With Quote 03-30-2006, 04:27 PM #9 tucky View Profile View Forum Posts Private Message View Blog Entries No Skills Join Date Feb 2006 Posts 152 Thanks  3 Thanks  1 Thanked in1 Post Total Contributions For
tucky     $ 0.00 Originally Posted by Toysrme It's a yes & no answer. The answer is yes, but not well.
They're good for about 250-260bhp & Based on numerous 1mz-fe dyno's you're running the ragged limit on that.
Also, if you don't have any form of engine management, there is no way you're going to get good fuel control when you need it on the stock ECU, so expect to be running really lean. If all you have is a pump, then you need something ASAP before you destroy something.


*Add some form of management
*Add more fuel, be that fuel pressure, an extra injector, a v6 cold-start injector, or replace all the injectors.

Pretty much have to do both to keep everything in check over the long haul. It's not big deal, just something that has to be done ya know. Hi what form of management would you recommend, can a piggyback be used or does it have to be standalone? http://forums.twobrutal.com/garage_v..._vehicle&id=23 Reply With Quote 03-30-2006, 06:55 PM #10 Weasy2k View Profile View Forum Posts Private Message View Blog Entries What is an MR2? Join Date Mar 2005 Location Vancouver, BC Posts 8,873 Thanks  33 Thanks  84 Thanked in69 Posts Total Contributions For
Weasy2k     $ 0.00 piggybacks work fine for what you are doing. I have a 5vz sueprcharged and have been running smt6 for 4 years now at 80k km

You can check out the all about piggybacks thread "here" Reply With Quote 03-31-2006, 01:51 PM #11 tucky View Profile View Forum Posts Private Message View Blog Entries No Skills Join Date Feb 2006 Posts 152 Thanks  3 Thanks  1 Thanked in1 Post Total Contributions For
tucky     $ 0.00 Thanks for the link. Can you run the smt6 on obd II? http://forums.twobrutal.com/garage_v..._vehicle&id=23 Reply With Quote 04-01-2006, 12:50 PM #12 Weasy2k View Profile View Forum Posts Private Message View Blog Entries What is an MR2? Join Date Mar 2005 Location Vancouver, BC Posts 8,873 Thanks  33 Thanks  84 Thanked in69 Posts Total Contributions For
Weasy2k     $ 0.00 Oh hell yea I along with lots of others do it daily!

ALl the tacoma 5vz guys use piggybacks on there OBD-II systems. And everyday i am working on new ways to edit out the ecu and have the ecu just be the "base map" providor while the smt7 takes control of everything. Reply With Quote 04-01-2006, 01:14 PM #13 tucky View Profile View Forum Posts Private Message View Blog Entries No Skills Join Date Feb 2006 Posts 152 Thanks  3 Thanks  1 Thanked in1 Post Total Contributions For
tucky     $ 0.00 Originally Posted by Weasy2k Oh hell yea I along with lots of others do it daily!

ALl the tacoma 5vz guys use piggybacks on there OBD-II systems. And everyday i am working on new ways to edit out the ecu and have the ecu just be the "base map" providor while the smt7 takes control of everything. Think I will go for the smt6/7. http://forums.twobrutal.com/garage_v..._vehicle&id=23 Reply With Quote 04-01-2006, 01:19 PM #14 Weasy2k View Profile View Forum Posts Private Message View Blog Entries What is an MR2? Join Date Mar 2005 Location Vancouver, BC Posts 8,873 Thanks  33 Thanks  84 Thanked in69 Posts Total Contributions For
Weasy2k     $ 0.00 I encourage you to goto this forum here:

http://www.yotatech.com/showthread.p...highlight=smt6

You can ask anything there

Matt & Pat know the smt6 very well as well. Reply With Quote « Previous Thread | Next Thread » Posting Permissions You may not post new threads You may not post replies You may not post attachments You may not edit your posts   BB code is On Smilies are On [IMG] code is On [VIDEO] code is On HTML code is Off

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