Porsche 911 3.2L Engine Health Check - Leak Down, Oil Pressure, & Air Fuel Ratio
Вставка
- Опубліковано 26 лис 2021
- This engine is getting closer to installation after we get a few bugs worked out. A mechanical guage was used to measure oil pressure directly off the engine block. I used a wide band O2 sensor to measure air fuel ratio as the engine went through its warmup cycle. Then each cylinder was tested for leak down. The results weren't as even as I would hope, but things may improve some once the engine is driven under load.
Thanks again for watching!
AEM Wideband guage - amzn.to/3cR1Pv2
Leak down tester - amzn.to/3cYydf6
Engine Stethoscope - amzn.to/3cRIzgX
Oil Pressure Guage - amzn.to/3nVx4eB
Patreon / ahhgaragetime
Insta @ahhgaragetime
FB / ahhgaragetime
Website www.ahhgaragetime.com
Ahh Garage Time Email Stories:
mailchi.mp/b63353737df0/sign-...
Below is a table of contents of past episodes 1-35. Click the link below for the rest
www.ahhgaragetime.com/TOC
Intro
Stripped Shell Introduction
• Porsche 911 Longhood C...
1
Drivers Fender Backdate, Unfold short hood edge, Make Signal Box Parts From Flat Sheet
• Backdating My Porsche ...
2
Drivers Fender Signal Box, Shape Bottom Portion w/ Bead Roller
• Porsche 911 Metal Fabr...
3
Drivers Fender Side Patch Panel Hammerform, TIG Weld Signal Housing
• CNC Machined Hammerfor...
4
Drivers Fender TIG Weld Side Patch Panel, Add signal housing triangle piece
• TIG Welding Sheetmetal...
5
Passenger Side Fender Backdate, Additional Content From Driver's Side
• Modify Your Short Hood...
6
Shorthood to Longhood Conversion, Form Outer Skin Edges And Weld On
• Project Porsche 911, L...
7
E Wheel and Form Longhood Inner Skin w/ Handormed Strength Rib
• English Wheel Metalsha...
8
TIG Weld Outer and Inner Longhood Extension
• Porsche 911 Restoratio...
9
Longhood Front Seal Custom Bracket
• Porsche 911 Carrera RS...
10
Rear Backdate, Remove Rear Impact Bumper and Valence
• Porsche 911 RS Tribute...
11
Lead Rear Valence Corners, Rear Latch Panel Backdate
• Porsche 911 Outlaw Bui...
12
Hybrid Steel License Plate panel & Fiberglass Rear Bumper, Custom Panel Brackets
• Porsche 911 Build - Hy...
13
Custom Aluminum Rear Bumperettes, Solidworks Design, Cut on CNC machine, Rear Flare Trial Fit
• Old Porsche 911 Resto ...
14
Form and TIG Weld Custom Rear Aluminum Bumperettes, Rear Bumper Complete
• Old Porsche 911 Resto ...
15
SC to RS Flare Comparison, Photoshop & Sheetmetal Conversion to RS
• How to Spot a SC Fende...
16
Tack Weld Passenger Side RS Rear Flare, Remove Undercoat, Align Flare
• How to Butt Weld a Ste...
17
Weld Passenger Side Flare, TIG VS MIG, Planishing, Weld Distortion, TIG Arc shots
• Porsche 911 Build - We...
18
Align Body Panels, Hood gaps, Adjust tub with dumbell, Repair Rocker, gap tool, Windshield fit check
• How to Align Body Pane...
19
Fill 20+ Holes, Mirror, Washer Jets, Rockers, Gas Filler, Antenna,
• How to Fill Holes in Y...
20
Remove Rear Window without cutting seal, Kick Method
• How to Remove Porsche ...
21
Remove Decklid Bumps and adjust Gaps & Fit, Add Weld material to edge
• Porsche 911 Decklid Pa...
22
Weld Pssgr Fender Support Panel, Lead Hood to Fender Gap, Weld Fender Edge to Reduce Gap
• Perfect 3mm Door Gaps ...
23
Build quality, Improve Panel Fit, Lead Passenger Door Gap, Lead Rocker to fender gap, Drivers Door
• Who Doesn't Want High ...
24
Drivers Door Alignment, Fill Rust Pits with TIG, Lead Drivers Door Gap, Adjust Front Fender Signal Fit,
• Panel Alignment Nightm...
25
Discovered Rust in Suspension Pan, Spot Weld Drilling, Tram Guage Mounting Points, cut out pan
• Rust Repair is HARD on...
26
Suspension Pan Repair, remove suspension, Cut Latch Panel for Oil Cooler, Check Squareness
• Suspension Pan Replace...
27
Align and Weld Suspension Pan, Spirit Level to remove twist, Kettle Bell Hits to Tweak Position, Rosette Welds
• 911 Suspension Pan Wel...
28
Re-Align Hood/Tub after Suspension Pan Install, Repair rust on gas tank panel,
• 911 Gas Tank Panel Rep...
29
Gas Tank Support Welded In, De-rusted with Electrolysis Bath, Reshaped pan edge, Final welding
• How to Simulate Factor...
30
Simulate Factory Spot Welds, Rosette Plug Welds, Pencil eraser on primer
• How to Simulate Factor...
31
Convert Drivers Side Flare to RS Profile and Repair Rust Damage
• Porsche Restomod - RS ...
32
TIG Weld Drivers Side Flare, Remove Failed Undercoating in Wheel Well, Planish and Metal Finishing
• 911 Restomod | This is...
33
Strip Paint from Car and Prep for Epoxy Primer, Strip it disc and paint stripper
• How to Beat the Ugly O...
34
Epoxy Prime, Project Review and Cost Reveal
• My Cheap Porsche Gets ...
35
Rear Coilover Gussetts & X-member strengthening plates, Golf Ball Dimple Dies For Speed Holes,
• How To Make Your Porsc... - Авто та транспорт
Good video. Thank you.
nice video! very good explanation of the leak-down guage. thanks!
Thank you so much!
One of your best videos yet! Can't wait to see the next steps, injectors, adjustment, timing... Happy Thanksgiving !!!!
Same to you Rodney! Enjoy family time, but I hope you have some days off for garage fun!
Great work Tom.
Thx Jeff,👍
Still enjoying all the tech checks!
Great, thanks for watching!
great video tom!!! i'm learning a lot!
Great, I'm confident this engine will be super reliable again soon .
@@GarageTimeAutoResto i hope so, tom! thank you!!! :)
Good stuff, Tom. Always wondered how a leak-down rig worked. Now I know!
Awesome Chris! Now I'm regretting not doing a compression test to compare. Maybe next time.
@@GarageTimeAutoResto Great Video!!! It would have been nice to see where the compression is at cyl #2 and cyl #4 and compare with the other cylinders.
How many miles were on that top end rebuild?
Thanks. I have a compression tester, but forgot to try it out.
I don't know exactly how many miles on the top end, but I think less than 10,000.
My guess is only the heads were done. The leak is at the rings.
Maybe they did a quick hone, but I really don't know. Car drives great and the new owner plans to drive it.
Nice and we need and wish videos in 60fps HDR resolution clarity quality soon please and Sound in full HD 3D Stereo.
Wow, I wish!
Noob here- first video I've watched on your channel- really interesting work. How do you run the engine in your garage like that? I keep looking for a shot of the exhaust with a tube/pipe vented outside but don't see one- I'm assuming you've vented it outside somewhere right?
Welcome here! No vents, I have two doors that I open for crossflow. Plus I have fans that circulate air. Never noticed a strong exhaust smell.
Really interesting. I think I read somewhere that the afr targets in the motronic for 964 are very lean.. might be same for 3.2?
Right! I'll learn more when the engine is under load. I know my 912 engine would be popping like crazy at 17 AFR
With my carbed 2.7 the sweet spot with tan plugs is 12.5. To each engine his own I guess. Loving this segment.
Yep, that sounds like a good target. My 912 engine fluctuates from 13.5 to 12.0 depending on load and RPM. I think max power is at 12.8.
Will keep exploring on this 3.2 ,but is should be very capable of holding a steady 12.8 at WOT
I read that porsche did an upgrade to the cylinder head temperature sensor in the 3.2l engine. The white connector that is one of the trio with reference and speed sensors was changed from a single wire to two wire. I am thinking of making this upgrade. Do you know if the upgrade was just from a single wire connector to a two wire connector or was the temperature probe that screws into #3 cylinder head upgraded also?
Not sure about those details. What year is your car?
@@GarageTimeAutoResto I have found the answer to my inquiry. It appears that the CHT sensor and connector are all one piece. The new upgrade is to a two wire circuit. Thanks for respond.
This makes me wonder how my 9A1 will fare in 20-30 years…
Is bore scoring an issue on that engine? I'm not too familiar with the newer stuff.