"Chinny Raccoon" (chinnyraccoon)
07/17/2019 at 15:51 • Filed to: None
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"Chinny Raccoon" (chinnyraccoon)
07/17/2019 at 15:51 • Filed to: None | 0
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Apparently this engine stand is supposed to hold 450kg. Hopefully a 1zz won’t trouble it too much after swapping the fasteners for something at least plausibly rated at 8.8.
Still, can’t complain much for £40($49) delivered, or £20 less than the doner engine cost.
RamblinRover Luxury-Yacht
> Chinny Raccoon
07/17/2019 at 15:59 |
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It always amuses me to see 4.8s, because of the minimal value of even mentioning a grade at that point.
“How hard is your bolt which is about as solid as porridge?”
“Well, it’s about a sitting porridge. Let’s say one that’s cooled for about half an hour.”
“Not an all-morning stone-cold porridge?”
“Oh, heavens no.”
Discerning
> Chinny Raccoon
07/17/2019 at 16:01 |
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Lucky for you the 1ZZ is exceptionally light. Even for an aluminum inline 4.
Ha ve you given any consideration to a 2zz swap? It's pretty painless for your spyder.
MonkeePuzzle
> Chinny Raccoon
07/17/2019 at 16:07 |
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how bout yes
Bman76 (hates WS6 hoods, is on his phone and has 4 burners now)
> Chinny Raccoon
07/17/2019 at 16:16 |
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Weak hardware is typically a mechanical fuse to prevent bigger, more catastrophic failures. Be careful with that.
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RamblinRover Luxury-Yacht
> Bman76 (hates WS6 hoods, is on his phone and has 4 burners now)
07/17/2019 at 17:03 |
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One of the last places I saw fistfuls of 4.8s was on a foosball table. I don’t think they were technically weak enough to strip before pulling the anchors out of the chipboard , so it wasn’t to protect that, but nor did they want the table falling apart, so...
“We may have minimal standards, but we have them, dammit.”
duurtlang
> Discerning
07/17/2019 at 17:09 |
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I imagine those are hard to come by in Europe. Some were offered in sporty Corollas that literally nobody bought. Others were available on the Japanese market, so a few might have migrated to the UK. Maybe.
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Chinny Raccoon
> Bman76 (hates WS6 hoods, is on his phone and has 4 burners now)
07/17/2019 at 17:17 |
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As the direct result of these bolts acting as a fuse would be the engine no longer being attached to the stand I’m not sure that’s what the manufacturers were going for.
More likely is that they were the cheapest they could find. Just your standard chineseum.
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Bman76 (hates WS6 hoods, is on his phone and has 4 burners now)
> RamblinRover Luxury-Yacht
07/17/2019 at 17:20 |
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M y dad worked i n the R&D department at Case doing destructive testing back in the late 80’s. They had lots of farmers breaking their trenching machines . W hen they’d look into it it was always because they’d been doing something beyond the design capacity, broken a 50¢ bolt, and replaced it with hardened hardware which caused much more expensive parts to break.
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RamblinRover Luxury-Yacht
> Bman76 (hates WS6 hoods, is on his phone and has 4 burners now)
07/17/2019 at 17:35 |
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Which is funny, because I was recently talking with a farmer I know, and he was under the impression that replacing with harder hardware would lead to the hardware itself failing due to being more brittle. Had a short “yes, but more correctly no” in explaining that a bolt itself is not supposed to be shock-loading in any way that could break a grade 8 more easily than a grade 5. Anything other than some kind of super-concentrated brittle-exploiting point load at an edge will shear off the grade five completely instead of smooshing - at the kind of load that a grade eight would fail at - and in neither case should you rely on a bolt to take shear loads alone if it can possibly be avoided.
He was convinced that there were loads that would stretch or smoosh a grade 5, leaving it holding, and snap a grade 8. If he happens to encounter such an anomalous load, he shouldn’t expect the grade 5 to continue holding anyway, as it has also failed...
I also worked at a small engine shop in college, and the trencher in use had
a soft
bolt intended to shear before jamming the auger too seriously... which came back sheared very frequently.
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Chinny Raccoon
> Discerning
07/17/2019 at 17:47 |
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It’s not too bad.
I have thought about the swap, and may do something in the future. For now the MR2 is my only car, so the primary concern is to stop the oil usage. It isn’t much of a problem with my short back road commute, but is a problem when I want to go anywhere further afield. With a second engine I can rebuild that then drop it into the car over a weekend.
Also for the vast majority of roads I regularly drive, I’m mostly happy with the amount of power. You can drive quite hard and still keep broadly at a sensible speed.
There’s also some other things I’m wanting to spend the cash on that are ahead in the priorities list, but who knows what the future holds.