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#1
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Wideband installed
Finally got off my ass and ordered a wideband... Same one Phil (PhastSVX) has and got it all hooked up...(OT and I welded in the extra bung when we did my exhaust). So far so good but I haven't had any time to really get on it to see what my afrs are like.
Tom |
#2
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So, what is your AFR at idle and just off idle? -Bill
__________________
Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#3
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in the 18+ range at idle for the most part..(doesn't have a reading past 18.0) and just off idle it shoots back to around 14.5
Tom |
#4
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Your A/F
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Chuck D. 1992 Subaru SVX LS-L - Heavily modded turbo 2002 Subaru Impreza WRX- Turboxs stg3 & Susp. Mods |
#5
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yes... the 740's are runnign very well for being so big.
Tom |
#6
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sounds like you have a small vacuum leak
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#7
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I probobly do... I need to double check as idle has been funky since I did the exhaust... More to come when I go to the track on tues after some minor weight reduction
tom |
#8
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Tom, How did you block off the EGR when you installed the headers? I'm wondering if the ECU isn't still looking for a signal that it won't get now. -Bill
__________________
Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#9
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Good to hear Tom, You cannot go wrong. Where did u decide on putting it?
when warm, my car idles right at 14.7:1, give or take 1 to 2 points.
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~Phil Teal 1992 Subaru SVX Turbo - Sold in May 2011 to peace-frog. |
#10
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it wouldn't have anything to do with a signal to the ecu..it would be a leak where he blocked it off
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#11
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if that were the case, it would have leaked before because I made a block off plate that covers the tubing from the EGR to the manifold... But you may be onto something there... I will look into it
Tom |
#12
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__________________
~Phil Teal 1992 Subaru SVX Turbo - Sold in May 2011 to peace-frog. |
#13
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I don't have an EGR port in the exhaust and I am wondering if that might be a problem since the egr vaccum hoses are all hooked up... At least with the stock manifold there was exhaust running into the EGR now it is cut off from the manifold AND the exhaust and I am wondering if I am losing something somewhere in this region... Esp since my idle issue has started right after I did the exhaust
tom |
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