Engine Bay Pics: Post Yours Here, Post yours and comment on what you see in other's pics |
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Engine Bay Pics: Post Yours Here, Post yours and comment on what you see in other's pics |
pbanders |
May 20 2022, 04:58 PM
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#1
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Senior Member Group: Members Posts: 939 Joined: 11-June 03 From: Phoenix, AZ Member No.: 805 |
I always learn something when I see other people's engine bay pics, so I thought I'd start a topic where we can post pics and have others comment on what they see. I'll start by posting my pics with a few comments.
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emerygt350 |
May 21 2022, 05:14 AM
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#2
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Advanced Member Group: Members Posts: 2,091 Joined: 20-July 21 From: Upstate, NY Member No.: 25,740 Region Association: North East States |
Pbanders, have you run a vacuum gauge while driving? My numbers are quite a bit different and was curious about that. 17-18 at idle warm, dragging down a hill, 23ish is common. Decel works great, full open by 18.5....
My engine bay looks like a 50 year old car. Yours looks brand new. You can see my copper foil on the oil pressure sender, the extra ground to the shroud in yellow, and the cht sender wire being all ugly. Otherwise stock. And my aav bypass valve for troubleshooting. And the t for the in dash vacuum gauge |
pbanders |
May 21 2022, 07:17 AM
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#3
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Senior Member Group: Members Posts: 939 Joined: 11-June 03 From: Phoenix, AZ Member No.: 805 |
Pbanders, have you run a vacuum gauge while driving? My numbers are quite a bit different and was curious about that. 17-18 at idle warm, dragging down a hill, 23ish is common. Decel works great, full open by 18.5.... My engine bay looks like a 50 year old car. Yours looks brand new. You can see my copper foil on the oil pressure sender, the extra ground to the shroud in yellow, and the cht sender wire being all ugly. Otherwise stock. And my aav bypass valve for troubleshooting. And the t for the in dash vacuum gauge I don't have a gauge, our numbers look reasonably similar to me. Will do a temporary gauge and check it out. Is your fuel evaporation system present? Looks like you have the fresh air supply for it plumbed to your flashback trap. Looks like a 73 throttle body, as you have the vacuum advance port. What's the yellow two conductor wire at the bottom of the pic for? Is that a fuel pressure gauge in the lower left corner? |
emerygt350 |
May 21 2022, 09:33 PM
Post
#4
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Advanced Member Group: Members Posts: 2,091 Joined: 20-July 21 From: Upstate, NY Member No.: 25,740 Region Association: North East States |
Pbanders, have you run a vacuum gauge while driving? My numbers are quite a bit different and was curious about that. 17-18 at idle warm, dragging down a hill, 23ish is common. Decel works great, full open by 18.5.... My engine bay looks like a 50 year old car. Yours looks brand new. You can see my copper foil on the oil pressure sender, the extra ground to the shroud in yellow, and the cht sender wire being all ugly. Otherwise stock. And my aav bypass valve for troubleshooting. And the t for the in dash vacuum gauge I don't have a gauge, our numbers look reasonably similar to me. Will do a temporary gauge and check it out. Is your fuel evaporation system present? Looks like you have the fresh air supply for it plumbed to your flashback trap. Looks like a 73 throttle body, as you have the vacuum advance port. What's the yellow two conductor wire at the bottom of the pic for? Is that a fuel pressure gauge in the lower left corner? It would be nice to know about the vac. I believe I have it all going correctly. Counter clockwise I have decel, EVAP, aav, then pcv (fresh air in to the flashback trap). Are the ports on the air cleaner different? The ugly yellow is for the cht gauge. And yes, fuel pressure gauge a very helpful addition. |
pbanders |
May 22 2022, 07:18 AM
Post
#5
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Senior Member Group: Members Posts: 939 Joined: 11-June 03 From: Phoenix, AZ Member No.: 805 |
Pbanders, have you run a vacuum gauge while driving? My numbers are quite a bit different and was curious about that. 17-18 at idle warm, dragging down a hill, 23ish is common. Decel works great, full open by 18.5.... My engine bay looks like a 50 year old car. Yours looks brand new. You can see my copper foil on the oil pressure sender, the extra ground to the shroud in yellow, and the cht sender wire being all ugly. Otherwise stock. And my aav bypass valve for troubleshooting. And the t for the in dash vacuum gauge I don't have a gauge, our numbers look reasonably similar to me. Will do a temporary gauge and check it out. Is your fuel evaporation system present? Looks like you have the fresh air supply for it plumbed to your flashback trap. Looks like a 73 throttle body, as you have the vacuum advance port. What's the yellow two conductor wire at the bottom of the pic for? Is that a fuel pressure gauge in the lower left corner? It would be nice to know about the vac. I believe I have it all going correctly. Counter clockwise I have decel, EVAP, aav, then pcv (fresh air in to the flashback trap). Are the ports on the air cleaner different? The ugly yellow is for the cht gauge. And yes, fuel pressure gauge a very helpful addition. OK, I see what you're doing. You have it (CCW) Decel/Evap/AAR/Flashback. It's normally Decel/Flashback/AAR/Evap. Putting the Evap where you have it makes it cross in front of the engine fan, probably OK but not as Porsche did it. As you have your Decel in place, but it's not visible in the pic, which port are you running that hose from the airbox to? The port on the end, or the port on the side? You may not be aware of this, but most of the hose diagrams are wrong when it comes to the Decel valve connections. Vacuum should be connected to the 5 mm control port (the one with the thread and nut) and to the 9 mm port on the opposite end, and fresh air from the air box should be connected to the 9 mm port on the side. Most diagrams have the connections to the two 9 mm ports reversed. If you connect it that way, the valve cannot work, because there's vacuum on both sides of the internal diaphragm, and it never moves, no matter what the vacuum is in the intake plenum. |
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