Out of curiosity, do the 95-97 trucks have a system similar to PAIR or was it just removed altogether?
Pair Valve Removal Help (1 Viewer)
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Not used. Emissions re-vamp.
Got its, thanks! Assumed things got more precise with the MAF and new o2s
Got around to removing my PAIR last night to pave the way for a Magnaflow 23120 downpipe with a single cat (for anyone looking for an answer, removing the PAIR solves the problem of where to put your second o2 sensor). Was going great and then I broke a bolt. Anyone have the part number for the bolt where the PAIR (and now my o2 sensor) mounts to the manifold? Thank you, scholars.
PS
o2 sensor is currently held in place by a single bolt and not throwing any code, but I don’t plan on driving anywhere until I can get everything properly secured.
PS
o2 sensor is currently held in place by a single bolt and not throwing any code, but I don’t plan on driving anywhere until I can get everything properly secured.
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I used stainless bolts for a Ford manifold. They have a hex key top.
Thanks for the tip! Do you know what size they are or do you know the Ford p/n off hand?
Ok time to revive this thread, I recently removed my PAIR what did you guys do with the small vacuum line that heads infront the motor to the top? Cap it? Leave it? Thank you for any info
Removed it, capped it at the intake. the metal line is still there, but nothing is attached to it.
cap it back at the intake and remove the hard line. or you can leave the hard line in place and cap that instead of back at the intake
Get ready for some world class high end fabrication folks!
Made my own block off plates from 3/8 plate I had kicking around.
Made my own block off plates from 3/8 plate I had kicking around.
Vacuum line capped off at the intake manifold end and some more world class fab work for the throttle cable bracket (I bent the factory bracket in a vise)
Red hydraulic cap on intake elbow is temporary until I find an 1-1/8" rubber cap at Home Depot that'll fit over
Red hydraulic cap on intake elbow is temporary until I find an 1-1/8" rubber cap at Home Depot that'll fit over
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Last but not least, I used a 1-1/8" chair leg rubber cap for the airbox block off
Love this--dod you see any gains from this or did you do this as preventive/EGR cylinder 6/HG longevity? The hose from the air filter housing to the PAIR intake is cracked on my '94 so debating delete or repair. thx!
ppc
M Go Blue
Pair removal has absolutely nothing to do EGR or HG issues.
Pair removal is done for two reasons.
1. Frees up space for installing dual battery, or other add-on accessories
2. Allows O2 sensors to be relocated to exhaust manifold keeping them more protected from water intrusion.
