So I bought the wrong injectors
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Bird Dog
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So I bought the wrong injectors
I didn't realize that S4's were square and S5's were oval. I go to put the new injectors in and they are square, I have an S5...****... I'm getting tuned on saturday, can I put my walbro 255 in still or is that pretty much worthless on the stock injectors.
#4
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Originally Posted by mr0pistons
I didn't realize that S4's were square and S5's were oval. I go to put the new injectors in and they are square, I have an S5...****... I'm getting tuned on saturday, can I put my walbro 255 in still or is that pretty much worthless on the stock injectors.
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Originally Posted by ilike2eatricers
Definately still put the walbro pump in. The 720s will fit in no problem, all you need to do is buy a pair of bosch style injector connectors. A local auto parts store may carry it. Just cut off the stock connectors and solder in the new ones. Simple as that. Dont forget to solder in resistors at the ECU for the 720s (assuming they are low impedence like almost everything other big injector).
And he also has to buy the resistors + wire + connectors! Just buy some s5 injectors....That's definitely the simple way. ~rich
Last edited by n/a-luvr; 02-03-06 at 10:42 AM.
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#8
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Originally Posted by n/a-luvr
Why hack up your harness over the want of two injectors?
And he also has to buy the resistors + wire + connectors! Just buy some s5 injectors....That's definitely the simple way. ~rich
And he also has to buy the resistors + wire + connectors! Just buy some s5 injectors....That's definitely the simple way. ~rich
Dont talk if you dont know.
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Originally Posted by ilike2eatricers
S5's have oval injectors with oval connectors. they do not sell any aftermarket injectors with that connector.
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So you are absolutely certain he cannot find larger, saturation style, high-impedance, oval type connector, fuel injectors that will fit? Not at all? I'm fully prepared to apologize for misleading him if wrong...
But I do apologize for failing to mention he'll also have to change his ECU to a peak and hold (pre '87.5) to accomodate these larger, different injectors and since he'll now have a peak and hold style ECU the primary injectors which are saturation style, will also have to be changed out to match.... $$$.$$ ~rich
But I do apologize for failing to mention he'll also have to change his ECU to a peak and hold (pre '87.5) to accomodate these larger, different injectors and since he'll now have a peak and hold style ECU the primary injectors which are saturation style, will also have to be changed out to match.... $$$.$$ ~rich
Last edited by n/a-luvr; 02-03-06 at 02:41 PM.
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I'm pretty sure that:
peak and hold + resisters = saturation
The only time you can't convert is when the ECU is designed for peak and hold without resistors.
In other words: You can't make a saturation injector look like a peak and hold but you can make a peak and hold look like a saturation by adding a resister.
ed
peak and hold + resisters = saturation
The only time you can't convert is when the ECU is designed for peak and hold without resistors.
In other words: You can't make a saturation injector look like a peak and hold but you can make a peak and hold look like a saturation by adding a resister.
ed
#12
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Originally Posted by n/a-luvr
So you are absolutely certain he cannot find larger, saturation style, high-impedance, oval type connector, fuel injectors that will fit? Not at all? I'm fully prepared to apologize for misleading him if wrong...
But I do apologize for failing to mention he'll also have to change his ECU to a peak and hold (pre '87.5) to accomodate these larger, different injectors and since he'll now have a peak and hold style ECU the primary injectors which are saturation style, will also have to be changed out to match.... $$$.$$ ~rich
But I do apologize for failing to mention he'll also have to change his ECU to a peak and hold (pre '87.5) to accomodate these larger, different injectors and since he'll now have a peak and hold style ECU the primary injectors which are saturation style, will also have to be changed out to match.... $$$.$$ ~rich
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Originally Posted by edmcguirk
I'm pretty sure that:
peak and hold + resisters = saturation
The only time you can't convert is when the ECU is designed for peak and hold without resistors.
In other words: You can't make a saturation injector look like a peak and hold but you can make a peak and hold look like a saturation by adding a resister.
ed
peak and hold + resisters = saturation
The only time you can't convert is when the ECU is designed for peak and hold without resistors.
In other words: You can't make a saturation injector look like a peak and hold but you can make a peak and hold look like a saturation by adding a resister.
ed
You are right about the ECU - don't have my thinking cap on. The VDI will not work either, etc... The point I was making is it's not a good idea to modify when you can buy in this case. ~rich
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