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08-26-2010, 09:31 PM
| | Member | | Join Date: Apr 2010 Location: Long Island
Posts: 76
| |  Temperature
I have a EZ EFI on my BBChevy. I love it car runs great. Some fine tuning left. I have noticed since I put the system on the car it runs hotter (temp). I changed nothing except put EZ EFI on. I have a aluminum rad, aluminum water pump , fan shroud etc. Car with carb would run between 180-200 depending on driving condition and traffic. ( I live on long island alot of traffic). Since I put on system it runs 200-219 with a 180 tstat. Just wondering if I have another problem. Everything is fairly new. Thanks Tim
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08-27-2010, 11:29 AM
| | Senior Member | | Join Date: Jan 2009 Location: Lake Havasu City AZ.. but mostly travel tuning
Posts: 1,592
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Is your cruise A/F ratio?
__________________ Brian Macy
EFI University Instructor www.efi101.com FAST XFI 101 Instructor ask me about the new XFI training class
e-mail brian@horsepowerconnection.com Horsepower Connection.com
Dealer for FAST, Comp Cams, ZEX, RHS, TCI and more.
e-mail or call for prices on any of the Comp line of products
shop 928-706-6112
cell 360-280-6112
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08-27-2010, 07:23 PM
| | Member | | Join Date: Apr 2010 Location: Long Island
Posts: 76
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Cruise is 14.5 !!!
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08-27-2010, 11:08 PM
| | Senior Member | | Join Date: Jan 2009 Location: Lake Havasu City AZ.. but mostly travel tuning
Posts: 1,592
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Richen it up and see what happens
__________________ Brian Macy
EFI University Instructor www.efi101.com FAST XFI 101 Instructor ask me about the new XFI training class
e-mail brian@horsepowerconnection.com Horsepower Connection.com
Dealer for FAST, Comp Cams, ZEX, RHS, TCI and more.
e-mail or call for prices on any of the Comp line of products
shop 928-706-6112
cell 360-280-6112
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09-05-2010, 10:19 PM
| | Member | | Join Date: Apr 2010 Location: Long Island
Posts: 76
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I Richened up on idle and cruise no change at all. Doesn't overheat just seems to like 200-206 area.
I might play with timing to see if it will help. I just get nervous when I see the 200 area especially in traffic on a hot humid NY night...
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09-05-2010, 11:03 PM
| | Senior Member | | Join Date: Jan 2009 Location: Lake Havasu City AZ.. but mostly travel tuning
Posts: 1,592
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Richen it up to 12:1 and see if it runs any cooler. The EZ only controls fuel only so if the timing is the same then it shouldn't be any different. Check your timing curve though because it maybe a problem too.
__________________ Brian Macy
EFI University Instructor www.efi101.com FAST XFI 101 Instructor ask me about the new XFI training class
e-mail brian@horsepowerconnection.com Horsepower Connection.com
Dealer for FAST, Comp Cams, ZEX, RHS, TCI and more.
e-mail or call for prices on any of the Comp line of products
shop 928-706-6112
cell 360-280-6112
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09-06-2010, 10:37 AM
| | Member | | Join Date: Apr 2010 Location: Long Island
Posts: 76
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I meant to sat my timing curve. I will try to trichen it to 12:1. If that works. Then what. That is a little fat to be driving around town.. Thanks
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09-06-2010, 03:23 PM
| | Member | | Join Date: Apr 2010 Location: Long Island
Posts: 76
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I drove car with 12:1 . Ran like crap no change in temp. I guess I have to deal with it.
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09-06-2010, 04:28 PM
| | Senior Member | | Join Date: Sep 2009
Posts: 244
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Having read the above the efi system ain't causing the problem. Could be air lock in cooling coz you drained some to fit the temp sensor? Something like that
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09-06-2010, 09:14 PM
| | Member | | Join Date: Apr 2010 Location: Long Island
Posts: 76
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I thought of that. Sensor is lower than top of radiator. I have tried 3 differn't tstats. Drilled a small hole in one so It would bleed off any air. Car ran hotter with cooler thermostat. I have a 180 know. Alot of people dont know tah AC Delco makes a 170 tstat. Car ran hotter with that than 180. I might put a 190 and see what happens. I have a thermo gun (reads temps ) Everything is fine. radiator is working fine. I have march pulleys ( not underdrive) Aluminum water pump . Its getting cooler on Long Island so I will see what happens this fall. If not I will deal with it next summer. Thanks all !!!
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