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1500 questions
9
votes
6 answers
Why don't cars use kerosene (and engines optimized for kerosene)?
On SE:Aviation, someone asked why planes don't use gasoline.
A comment below stated following:
A better question is why do cars run on petrol rather than kerosene.
– Aron
So, here I am asking the exact same thing.
Noah Krasser
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9
votes
8 answers
How long time do I need to run the engine to charge the same amount of power that the starter took
I have a Range Rover 4.6l V8, and I'm wondering if anyone have some sort of estimate of how long time I need to keep my engine running, to charge the same amount of power that the starter took to start the engine.
I'm not really looking for exact…
Markus
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9
votes
3 answers
3 rings vs 4 rings pistons: which design is better?
The engine I'm rebuilding (Skoda Estelle/120, 70's, RWD, rear mounted engine) was manufactured with two different pistons, depending the fabrication years: one piston kind has 4 rings and a cut from the oil ring to the bottom, at one side, and has a…
Aram Alvarez
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9
votes
2 answers
What is blow-by?
There's a term called blow-by.
What is blow-by?
What causes it to occur?
How does it affect your engine?
How do you cure it?
Pᴀᴜʟsᴛᴇʀ2
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9
votes
2 answers
500 hp from a naturally-aspirated Honda K-24?
This video showcases a naturally-aspirated 2.7 L Honda K-series engine that revs up to 10,000 RPM and claims to produce 500 hp.
I understand that this is for a motorcycle FWD drag racing application, but a specific power output of 185 hp/l seems…
Zaid
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9
votes
2 answers
Crank vs turn over vs start vs whatever
I see conversations like the following a lot:
A: My car won't start.
B: Does it crank?
A: Yes but it won't turn over.
B: Wait, I'm confused. So, it tries?
A: Well it makes a sound.
B: Like whir whir whir or just the clicks?
A: Yes.
…
Jason C
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9
votes
1 answer
Do I risk damaging the valve seat if I lap this valve without removing carbon build-up?
This valve is from my LS1 (Exhaust #3). It's suffered from a lot of carbon build-up due to a history of fueling/spark problems.
I've tried cooking it in ethylene glycol. I've tried using abrasion with a drill-mounted brass wheel brush, and it hasn't…
Zaid
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9
votes
1 answer
I put transmission fluid in my engine; what to do about it?
I have a 2001 Mitsubishi Eclipse Spyder GT with the V6 engine.
The last oil change was 1 week ago. My red oil light came on, and I read the dip stick and thought I was a quart low on oil.
Really it was just pressure, which is why I could hear the…
Eclipse gt guy
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9
votes
1 answer
What grade of bolts should I use for motorcycle brake hardware?
I'm setting up a motorcycle front end from used parts, and some of the mounting bolts were not included. The same bolt is used both for mounting the calipers to the forks, and mounting the brake discs to the wheel hub. I've found the size and part…
Christopher Hunter
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9
votes
2 answers
Impact sockets with a Torque wrench reduce accuracy?
So I have read that impact sockets are generally made of Chrome Molybdenum and are supposed to be a little softer so they can absorb the impact of an impact gun, whilst Chrome sockets are harder and cannot absorb sudden increases in torque.
So this…
Chris
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9
votes
4 answers
Can I use a Dexron III automatic transmission/power steering fluid where a Dexron II is required ?
more generally speaking are 'higher Dexron numbers' also fulfilling the specifications of the lower number fluids ?
Andre Holzner
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9
votes
4 answers
How to amplify car speakers without stereo?
I have a 1980 VW Dasher with its original speakers but no radio. It has an unusual (erroneous?) electrical configuration where most accessories (e.g. lights, cabin fan, etc) still run even with the ignition switched off and key removed (I've heard…
Troy
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9
votes
1 answer
Why is this valvetrain pitch-black?
I'm in the middle of an LS1 teardown.
Last weekend I removed the valve covers to and found it hard to see anything, as the pictures below will evidence.
While I wait for an opportunity to resume the teardown this weekend, I wonder what could be…
Zaid
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9
votes
1 answer
Aftermarket Exhaust
I have a Volvo c30 D5(2007) and my exhaust has started to rot through from the inside, I obtained several quotes from various part providers and they all said an after market exhaust would be allot cheaper than an OEM one as they don't really make…
scriptss
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9
votes
1 answer
How to track down an intermittent battery drain?
I know there are several questions on here about finding the source of a battery drain (like Battery drains by itself when vehicle is parked (parasitic draw) ). However I don't think the answers address my problem.
Occasionally when I go to use my…
brooks94
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