S4/S5 Engine...
#4
Engine, Not Motor
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NA is easy. S5 has the VDI manifold.
TII is more subtle. Look for the electric metering oil pump as the biggest clue.
Also, this has been covered a lot of times. A search for "S4 S5 differences" or "identify S4 S5" will likely be a great help.
TII is more subtle. Look for the electric metering oil pump as the biggest clue.
Also, this has been covered a lot of times. A search for "S4 S5 differences" or "identify S4 S5" will likely be a great help.
#5
Senior Member
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Yea but what if someone put the S5 VDI manifold on a S4 block? I've seen someone do that to a seven cause they couldn't get their S5 block running. Then they grabbed an S4 block just to get it running, and went through all the hassle of just getting the S5 manifold on there.
#6
pp
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Dont the s5's not have maf's?!?! I thought that the s5 engine didnt have a mass airflow sensor right near the intake.I might be wrong but that would be the easiest way to check.
#7
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can u also tell from the 5/6th ports...don't the S4's linkage rods push in to allow more air and are activated by back pressure from the cats and S5's pull out to allow more air and are activated by the the air pump or solenoid...???
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#8
Engine, Not Motor
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Originally Posted by tIIsleeper
Dont the s5's not have maf's?!?! I thought that the s5 engine didnt have a mass airflow sensor right near the intake.I might be wrong but that would be the easiest way to check.
I have also added several topics that cover the differences between the S4 and S5 engine to the FAQ.
#9
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Originally Posted by Aaron Cake
NA is easy. S5 has the VDI manifold.
TII is more subtle. Look for the electric metering oil pump as the biggest clue.
Also, this has been covered a lot of times. A search for "S4 S5 differences" or "identify S4 S5" will likely be a great help.
TII is more subtle. Look for the electric metering oil pump as the biggest clue.
Also, this has been covered a lot of times. A search for "S4 S5 differences" or "identify S4 S5" will likely be a great help.
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2nd Generation Specific (1986-1992)
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