grumble mumble growl

"JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t" (jawzx2) 11/25/2014 at 10:55 • Filed to: None

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I went out to try to start my motorcycle yesterday evening since it was nice and warm (66 degrees! In November! In Vermont!) and wanted to get the tank filled with some fresh non-ethanol fuel and Sta-Bil for those mid-winter ride requirements... no go. won't start, my oil is full of gas and the fuel appears to continue running even with the stopcock in the off position.

something something fugging ethanol grumble float bowls mumble gooddamn carb seals mutter plastic shitty plastic *humph* 17 year old bike bitch & moan no garage.

/mumblerant

BJ > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/25/2014 at 11:02

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Oh man, when I do finally get back on a bike, it's gonna be fuel injection and electronics for exactly this reason. Fucking carburetors!

505Turbeaux > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/25/2014 at 11:06

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well, good thing it is 66 degrees out for you to work on it!

Dammit

Funktheduck > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/25/2014 at 11:14

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When I get the funds I'm getting an EFI conversion kit for my truck. Or if I get lots of funds (I.e. Lottery money) I'll do a full restomod and drop a modern drivetrain in it. Carbs are too much of a pain.

BoulderZ > Funktheduck 11/25/2014 at 11:30

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Do it! When I finally did mine, the only regret I had was not doing it 5 years earlier.

JEM > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/25/2014 at 11:57

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Soo.....

Now is a bad time to mention my 14 year old can of tuna started fine this morning?

(I went through what you were going through a few weeks ago. Letting stabil sit, fresh gas, and adjusting the idle worked for me, good luck!)

Funktheduck > BoulderZ 11/25/2014 at 12:54

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My whole fuel system needs replacing except the tank. Everything except the fuel pump, filter, and lines from pump to carb are original. Technically the carb isn't original but it's old and worn out and needs replacing since it's not even the right kind. It's no longer my dd so I'm in no rush.

How easy/hard was it to do yours?

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > BJ 11/25/2014 at 13:16

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yeah yeah yeah... classic BMW don't'cha know!

BoulderZ > Funktheduck 11/25/2014 at 13:46

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Mine was very easy. It was a Toyota 22R, now it's a 22RET. The carb cam on that motor is fine for turbo and EFI. The intake manifold is a direct swap. The exhaust manifold I used is a little expensive, but worth it to save the trouble (and it's a good part).

I was rebuilding the motor anyway (bore out, new rings), so having the machinist drill the turbo oil return (which is a blank stud/boss on all 22R blocks) was only a couple of extra dollars. The oil feed line boss was already tapped at the factory so the line just screws in. The knock sensor threads in to the factory-drilled boss, too. I used ARP head studs and rod bolts, to give me a little more margin for turning up boost, but I probably didn't have to.

The ECU (SDS system) installed behind a kick panel where the old electronics/relay box for the carb emissions equipment went. The wiring runs right in line with the regular harness, I just ran them, cut/solder to length, and wrapped them all with loom housing and tape. I mounted all the relays either using the stock ones (blank spots in the carb model, just buy and add the EFI modules), or put a few in a RadioShack electronics box mounted on the fender in the engine compartment. I'm using a Walbro in-line fuel pump and it works nicely, if a little louder than I'd prefer.

I needed a new exhaust and cat anyway, so I had the exhaust shop weld in the O2 sensor boss (Bosch sensor with PLX wideband box and gauge). The hardest part was drilling the harmonic damper pulley for the tiny rare earth magnets that epoxy in to control injector and spark timing, but that was just a couple of hours at a friend's house with a nice lathe and drill press setup.

I got it running fairly easily with their suggested base map, but tuning it did require an hour or two on a dyno. I would highly recommend doing that. It saves time, possibly parts as well, and tuning it using pulls on-highway is an inaccurate hit/miss at best, and dangerous at worst (very distracting). Then, SDS was a much easier setup. Now, I think I'd strongly consider Megasquirt, too. They're both good systems, though.

It's not a one-weekend-and-a-six-pack job, but it's not hard at all if you read the directions all the way through and then patiently work through the steps. Given yours isn't your DD, you'd be in good shape.

BJ > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/25/2014 at 14:03

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That's the problem with being a hipster.

Ha ha ha!

Funktheduck > BoulderZ 11/25/2014 at 14:24

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Mines a '79 F150 with a 302. If love to put in a coyote engine but at around $10k just for the engine and other parts, it's well out of any budget I have for anything other than saving for a house purchase.

I was probably gonna go the Edelbrock or Holley bolt on route. It's not modern EFI. It's more early EFI tech combining electronic injectors/carb. Probably not as good as something like Megasquirt but a lot cheaper/easier. Still over $1k for all the stuff involved. Something I could technically afford right now but it's low on the priority list. That combined with the coming winter would make it too cold to want to deal with if I don't have to.

BoulderZ > Funktheduck 11/25/2014 at 14:38

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Yeah, it is pretty fiddly work, not great in cold weather. I looked at as a comparison to replacing my truck. New or used, I'd would have had to have spent a lot more money to get as good a truck as I have now, and wouldn't have the confidence of a full owned-since-new history. Can't believe what trucks go for. Too much money for my usage. I would have been able to rebuild my truck twice for what a decent used one (and good luck finding that...) would have cost. The Edelbrock and Holley are good systems, and very easy to install and work with. Many people here in CO run them (carbs are just awful with our altitude and mountains).

Funktheduck > BoulderZ 11/25/2014 at 14:58

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I've given up on Holley carbs. Too many issues. I had to return 2 in a row that were defective from the start. A couple others that failed in less than a year. No issues from Edelbrocks. I've heard good things about Holley EFI so I may consider them when I'm ready to hop on the EFI bandwagon.

I couldn't imagine trying to constantly adjust for living in the mountains.

Trucks are ridiculous. Sure, you can get a stripped out base model for $25k but if you want anything resembling something you'd want to live with you have to add about $10k.

BoulderZ > Funktheduck 11/25/2014 at 15:40

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There's a really nice Italian car group in Denver, called the Automezzi. I was fortunate to park next to a member of theirs at a car show. He had a gorgeous Lancia, maybe a Scorpion? I don't remember, as it was at least 6 years ago. He was telling me how when he does mountain drives over Trail Ridge Road in Rocky Mountain National Park, he actually stops and swaps jets in his carbs in one of the towns below Estes Park. I can see carbs for a lot of drag race folks, as it really does seem to work for them, but for DD around here I was really glad to be shut of mine.

Interesting on your experiences with the Holley carb quality. Wonder what their deal is?

Your truck numbers sound about like what I've seen, too. Just too much money for something I'll use to haul mulch, lumber and trash and for dirty mountain bike, running, hiking, and camping trips. Good luck with your F150, that'll be really nice!

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > BJ 11/25/2014 at 16:42

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:P I HAPPEN to have liked vintage BMWs since before Hipsters even realized it was cool to have liked vintage BMWs since forever...

/strokes beard

it's a '97... F650 Funduro. hardly hipster material, and even it was I'd still ride it because it's a great bike... when the fuggin' carbs aren't shitting the bed :p

Funktheduck > BoulderZ 11/25/2014 at 16:47

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This was around 12 years ago for the Holleys. The first defective one was missing a float and the second carb had a crack or hole in the float. It would start off fine but would slowly start filling with fuel. Went through 5 carbs in about 3 years. The last one held up for a while. My stepdad was using it as a work truck while I was in college when something happened to the last one. Not sure what. It has an old Edelbrock on it now. It's not the right one but it's more dependable than any Holley I've had.

Maybe this spring/summer I'll dive into EFI and write something up on it.

BJ > JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t 11/25/2014 at 16:55

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If you were doing it since before it was cool, you're a hipster...

I kid!

Serious question time: from which episode of Futurama did you get that gif? It doesn't look familiar.