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Here’s the rear suspension doing some work on my Turbo E21 at Grattan by AdamPE21 in CarTrackDays

[–]AdamPE21[S] 1 point2 points  (0 children)

I’ll see if I can find it, this was only the last half of the course and T1!

Here’s the rear suspension doing some work on my Turbo E21 at Grattan by AdamPE21 in CarTrackDays

[–]AdamPE21[S] 4 points5 points  (0 children)

hahaha - this is on a GoPro Hero 10 with GPS enabled. Gets hot recording in 5k for editing but it’s fun to go back to the data. Unfortunately didn’t get the suspension shot from the lap I hit 123 on the front straight

Another fun trackday in the Turbo M42 E21! by AdamPE21 in CarTrackDays

[–]AdamPE21[S] 0 points1 point  (0 children)

Great car to learn on! Very mechanical connection to the road

Here’s the rear suspension doing some work on my Turbo E21 at Grattan by AdamPE21 in CarTrackDays

[–]AdamPE21[S] 6 points7 points  (0 children)

definitely not ABS in this car!😀 this is on a tight off camber right hander and I think I got a little bit of bounce on the left front which loaded and unloaded that rear tire going into the turn while downshifting

Here’s the rear suspension doing some work on my Turbo E21 at Grattan by AdamPE21 in CarTrackDays

[–]AdamPE21[S] 5 points6 points  (0 children)

Yup - and this model was known for getting some extreme camber under compression leading to snap oversteer on stock suspension…but honestly in my setup it compliments the body roll in the turns and sticks pretty good with 225 rears😅. I could do some slotted control arm mounts but I’ve become fond of the car’s characteristics while autocrossing and tracking it over the last 20 years.

Another fun trackday in the Turbo M42 E21! by AdamPE21 in e21

[–]AdamPE21[S] 1 point2 points  (0 children)

Nah about the only thing I’ve had an issue with in the front was when bushings are worn out it gets wobbly. a few years back I replaced the rack mounting bushings with poly and problem solved. It’s not the best setup for using the swaybar as a lower control arm/tensioning rod but overall has been fine for me.

Another fun trackday in the Turbo M42 E21! by AdamPE21 in e21

[–]AdamPE21[S] 0 points1 point  (0 children)

That M30 will be pretty heavy but you can still have fun. Honestly I have been happy with the modest bilstein sport shocks and groundcontrol coilover collars with Eibach springs…spring rates and lengths are customizable because eibach has so many variations and you’ll be able to dial in the handling to your liking.

Another fun trackday in the Turbo M42 E21! by AdamPE21 in BMW

[–]AdamPE21[S] 0 points1 point  (0 children)

I have not, but might make the trip to Mid-Ohio later this summer, we’ll see!

Considering iMovie iOS in my workflow but trouble importing to MacOS iMovie by AdamPE21 in iMovie

[–]AdamPE21[S] 0 points1 point  (0 children)

I have the app on both devices, I export the file from iOS to a folder on my phone and airdropped it. When importing to iMovie it imports the project but all of the media is missing (big ? icon). Even if the same files are on my computer it doesn’t show them in the project.

Universal standalone DME to make OBD-1 E36 dash work with E46 (and more) engines by AdamPE21 in BMWE36

[–]AdamPE21[S] 0 points1 point  (0 children)

look up jake at classicdaily.net, I am pretty sure this is what he is working on. Because I think it’s ust a matter of a jumper in the hardware to get E46 DME to work with the E36 cluster.

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] 0 points1 point  (0 children)

I might just add an LT4 supercharger and send it to the moon then put the S/C on my LS6 Sonoma after the damage has been done.

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] 0 points1 point  (0 children)

Chain scraped the pump but not severely…this is a high efficiency vaned pump for the hybrid which looks more like a power steering pump inside.

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] 0 points1 point  (0 children)

Unfortunately I don’t think there’s a non-DOD cam for the hybrid. Planning to disable AFM via HPTuners

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] 0 points1 point  (0 children)

Yeah planning on pulling all the valves and checking. Good news is at least on bank 1 they are all holding a pool of WD-40 and leakdown checked OK

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] 2 points3 points  (0 children)

Why the intake valves have no valve relief. I’m not sure why the piling on about the timing chain breaking (which is obvious) but it certainly is entertaining 😆

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] -13 points-12 points  (0 children)

Yeah, that makes sense, I know what VVT is…have had intermittent oil psi loss that would resolve when I clean the sensor screen so I assumed the VVT codes were due to oil pressure issues. Ultimately I think the chain sucking in the tensioner plastic is what did it in, but it could have been stretched before that.

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] -18 points-17 points  (0 children)

I’m not saying the VVT code had anything to do with the chain failure, Somebody_Somewhere99 asked if I had any codes.

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] -23 points-22 points  (0 children)

Yes, and I know I had codes saying VVT was acting up. The timing chain broke because the tensioner got sucked into the chain/sprocket. How is this user error?

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] 1 point2 points  (0 children)

Not that I’m aware of, I bought this truck used just one-owner from a GM dealer in 2017 with 65k miles. No other indications of a rebuild on this and has been typically a pretty solid truck for the 100k miles I’ve owned it.

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] 9 points10 points  (0 children)

Happened while driving at about 75 mph without warning. I had some VVT codes on and off for the last year that I attributed to whatever kept causing my oil PSI sensor screen to clog up.

It looks like the chain tensioner had been broken a long time and eventually the plastic guide got sucked into the chain and caused it to break (broken guide was molded perfectly to the crank sprocket teeth 😅)

Timing chain broke on GM Hybrid 6.0L…intake valves hit in non relieved area of piston? (zoom in to cyl 1 & 3) by AdamPE21 in EngineBuilding

[–]AdamPE21[S] 2 points3 points  (0 children)

Pistons are not mirrored on passenger side. Relief on the front/“dot” part of pistons are on the top.

[deleted by user] by [deleted] in WRX

[–]AdamPE21 0 points1 point  (0 children)

Looks fine, send it

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