N/A to T2 Conversion - Fuel Pump Wiring
07-13-03, 03:46 PM
#1
FC 2 NV
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N/A to T2 Conversion - Fuel Pump Wiring
Hi guys,
I am doing an S4 T2 conversion on my 86 FC right now and am in the process of wiring in a Walbro 255 lph fuel pump. Now I've read the threads on wiring up T2's, but those have the resistor packs. I've also read the threads for the N/A's that say connect it to a switched +12V source at the fusebox, but that would leave it constantly (in case of an accident, flipped car, etc). I've not come across an N/A to T2 conversion writeup though. What I was considering doing was the following (please view picture as well):
-Wiring in a relay with the power wire connected to the battery, 15 amp fuse.
-Using the original stock N/A fuel pump +12v wire (black with white stripe) as the +12v switch source to turn the relay on.
This should retain any fuel pump shutoff features the car has, right? Or am I missing something?
Thanks
I am doing an S4 T2 conversion on my 86 FC right now and am in the process of wiring in a Walbro 255 lph fuel pump. Now I've read the threads on wiring up T2's, but those have the resistor packs. I've also read the threads for the N/A's that say connect it to a switched +12V source at the fusebox, but that would leave it constantly (in case of an accident, flipped car, etc). I've not come across an N/A to T2 conversion writeup though. What I was considering doing was the following (please view picture as well):
-Wiring in a relay with the power wire connected to the battery, 15 amp fuse.
-Using the original stock N/A fuel pump +12v wire (black with white stripe) as the +12v switch source to turn the relay on.
This should retain any fuel pump shutoff features the car has, right? Or am I missing something?
Thanks
07-13-03, 04:26 PM
#2
Laying Down Rotary Law
Eh save your self alot of pain
and make this as simple as possible
I ran a NA fuel pump on my TII conversion and did not have any fuel starvation issues
with the walbro just hook it up to the stock + cable
and ground it to the chassis
and make this as simple as possible
I ran a NA fuel pump on my TII conversion and did not have any fuel starvation issues
with the walbro just hook it up to the stock + cable
and ground it to the chassis
07-13-03, 11:19 PM
#4
Rotary Freak
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you should just be able to use all the stock wiring. just hook up the new pump to the stock wires, and everything should work like the normal pump, except a bit more fuel.
dang, I switched to the stock TII pump, and I was running a little lean. then I switched to the walbro, and I now run a little rich.
I ran a NA fuel pump on my TII conversion and did not have any fuel starvation issues
07-14-03, 11:14 AM
#7
HAILERS
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***Anyone else have any thoughts about this, or any suggestions (including whether or not my idea would work)?***
That should work just fine. Although I just put a turboii in place of the n/t pump and all is well. Monitored with a wideband from OZ.
That should work just fine. Although I just put a turboii in place of the n/t pump and all is well. Monitored with a wideband from OZ.
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