Aftermarket (non computer) egr controllers
Thread Starter
Junior Member
Joined: Aug 2001
Posts: 29
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From: florida, U.S.
Aftermarket (non computer) egr controllers
I ditched my computer, and lost fuel mileage, does anyone know if ther is an aftermarket egr controller, or older egr that will help me to retain my highway mileage ?
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'87 Z-28 305,Edelbrock 600 cfm, stock 700-r4 terribly slow
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'87 Z-28 305,Edelbrock 600 cfm, stock 700-r4 terribly slow
Supreme Member
Joined: Jul 1999
Posts: 5,183
Likes: 42
From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
Not that I think it'll help you with your fuel milage....
But you'll want to get a Thermal Vacuum switch, and an EGR that will bolt to your intake.
I have used the "universal" ones before, but you may need to get a specific year for clearance issues. Start eith something like a '78 V8 Camaro..
Anyway, plumb ported vacuum to the Thermal Switch, the other side to the EGR valve.
This way you'll never get EGR at idle (via ported/timed vac) and only when the temps get's up to the Themal vac switches set point.
But you'll want to get a Thermal Vacuum switch, and an EGR that will bolt to your intake.
I have used the "universal" ones before, but you may need to get a specific year for clearance issues. Start eith something like a '78 V8 Camaro..
Anyway, plumb ported vacuum to the Thermal Switch, the other side to the EGR valve.
This way you'll never get EGR at idle (via ported/timed vac) and only when the temps get's up to the Themal vac switches set point.
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