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FAST 42 same as FMS 42 Green top?

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Old 02-22-2011, 10:21 AM
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Default FAST 42 same as FMS 42 Green top?

Title pretty much says it all. Is the FAST 42lb injector the same as the SVO Green Top 42?

TIA
Old 02-22-2011, 12:01 PM
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NO it is not
Old 02-22-2011, 12:14 PM
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Thanks. I'm trying to hunt down some injectors that I have known good specs on to replace the 42s I have now.
Old 02-22-2011, 03:19 PM
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Anyone have specs for the SVO Green top 42's? Just bought a set used off here.. Curious.
Old 02-22-2011, 03:22 PM
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Which is better and why?
Old 02-22-2011, 03:38 PM
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^ That's what I'm wondering. I got a KILLER deal on my 42#-ers.

I've heard that the Greens are rated at only 43psi fuel pressure, but will be closer to 46#/hr or so when run at 58psi in our cars. Just wondering if it's ok to run them past their rating.
Old 02-22-2011, 03:41 PM
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Originally Posted by bayer-z28
^ That's what I'm wondering. I got a KILLER deal on my 42#-ers.

I've heard that the Greens are rated at only 43psi fuel pressure, but will be closer to 46#/hr or so when run at 58psi in our cars. Just wondering if it's ok to run them past their rating.

Were you the guy who just bought that set on the classified section for like $125.00? If so, I hate you
Old 02-22-2011, 04:04 PM
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^ Might have been.. Got mine for $165 shipped. If I missed a deal for $125 DoubledYOUteeEFF Mang! Oh well.
Old 02-22-2011, 04:42 PM
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I've got as set of Racetronix 42s that I am looking to sell. 180 shipped if anybody is interested.

Here are the specs:

Weight: 91.00GM
Brands: Racetronix_
Manufacturers : Standard Motor Products
Stock: No
Model: 621031
Categories: Fuel Injectors - High Impedance
Manufacturer P/N: FJ-SM-12S
Static Flow lb/hr (n-Heptane): 42.29
Static Flow Tolerance +/-%: 4%
Dynamic Flow (mg/pulse): 9.96
Dynamic Flow Tolerance +/-%: 6%
Coil Resistance Ohms: 15.9
Coil Resistance Tolerance +/- Ohms: .35
Spray Pattern: Tri-Cone
Connector Type: Minitimer (Bosch EV1)
O-ring Type: Viton
E85 Compatible: Yes
Methanol Compatible: Yes
Old 02-22-2011, 09:09 PM
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green tops are rated at 39.5 thats fords pressure lots of people dont know this they are actually about 52#
Old 02-22-2011, 09:22 PM
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^ wow! Good deal! I won't have to worry about running out of fuel for a while!
Old 02-23-2011, 12:52 PM
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Originally Posted by bayer-z28
^ Might have been.. Got mine for $165 shipped. If I missed a deal for $125 DoubledYOUteeEFF Mang! Oh well.
Maybe it was $165.00, not $125.00. All I remember is I've never seen #42's go for that cheap.



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