eclipse vs. vette please explain

[Gravitom]

Originally posted by Pennzoil GT-R

hp per litre just gives you an idea of how unreliable a car is likely to be

Huh? What is the logic behind this?

[94tegRS]

I am not sure but im guessing that the more power you are getting out of a certain size engine shows how much stress it has.


example

take 2 B18B 1.8 liter honda engines and put I/H/E on one of them and have maybe 155 HP. that is only about 86 HP per liter. but If you were to build up that engine to say 250 or 300 HP, youd have between 139 and 167 HP per liter. which engine do you think is gonna have more stress on its parts? which one do you think will last longer?

[Pennzoil GT-R]

yup, 94tegRS has got it right, its not a definite rule, but it works in most cases

[Gravitom]

This has to be the most retarded thing I've ever heard. An S2000 gets more hp/litre than any production car and is extremely reliable. Chyslers cars and trucks have very low hp/litre ratios and have the worst reliabilty of any car manufacturer. Honda and Toyota have some of the highest hp/litre ratios and have consistantly been the most reliable for years.

Compression ratio would be a better idicator of stress on parts but even that wouldn't provide and accurate estimate.

And even if you are going by modded cars there are plenty of mods that will provide hp increase without changing reliablilty. Intake, exhaust, porting and polishing heads, lighter weight moving parts, better cooling, tweaked air/fuel mixture will do nothing to lesser reliability.

[Pennzoil GT-R]

the examples you listed are more to do with quality of manufacture, and as i said before it is not a definite rule. Honda are very reliable no matter what car u talk about, whereas Chrysler are shit basically.

think about it, you have a 5.0 engine pushing 250 hp, so thats 50bhp/litre. now an engine can cope with that pretty easily yeh, no stress on the internals or anything. but if you take a 2.5 litre and tune it to 500hp, then it has 200bhp/litre, which means that each litre of capacity has to cope with the stress of 150hp more than the 5.0 engine.

Look at F1 cars, they string out every last hp (i think this years Williams makes around 875bhp) they can from a tiny little 3.0 engine. now you are telling me that they are gonna last you over 100,000 miles like many cars will/should. this IS an extreme example, and i cant stress enough that this rule doesnt always apply, but it is true in alot of cases.

[YellowMaranello]

Originally posted by Pennzoil GT-R

Look at F1 cars, they string out every last hp (i think this years Williams makes around 875bhp) they can from a tiny little 3.0 engine. now you are telling me that they are gonna last you over 100,000 miles like many cars will/should. this IS an extreme example, and i cant stress enough that this rule doesnt always apply, but it is true in alot of cases.

I don't know why, but I feel the need to point out that these engines are rebuilt after every race.

[Pennzoil GT-R]

I don't know why, but I feel the need to point out that these engines are rebuilt after every race.

exactly, and they still dont always manage to make the 200 or so miles of the race. same goes for road going drag cars, such as the highly tuned Japanese cars, they are constantly being rebuilt once they get above about 800-900 hp.

[Gravitom]

That is just a increase in hp over stock and has nothing to do with engine displacement. You take a car with 100hp/liter and one with 50hp/liter and tune them to make 100% more horsepower each, they will have roughly the same loss in reliability. The intial and ending hp/liter is irrelevant.

[Pennzoil GT-R]

put it this way. take two 2.0 litre 200hp engines, tuned or non tuned, up to you. Tune one to 400hp (200bhp/litre), tune the other to 600hp (300bhp/litre), which do you think now has the most pressure on its internals? and therefore which do you think is gonna last longer??

now if that 600hp is in a 6.0 litre to start with (only 100bhp/litre) then it is gonna be more reliable because the internals are under a bit less pressure.

[-The Stig-]

Originally posted by w8n4myevo
Just look at it this way, yes they have a modded 4cyl and you have a stock 8 which I believe is a 350 correct? Look at it this way, vettes have double the room for producing power,8 cyl vs. 4 cyl, 5.8 litres vs. 2.0 and 6 speed versus 5. And all you have on them is a half a second? In my book they are close. And btw, wait for the Evo VII and you will see a 2.0 smoke you. Nothing personal but america doesnt know how to make a car fast. You want to keep up with the everchanging and drastically improving import scene? Do yourself a favor and contact John Lingenfelter. I think he might be able to help you keep up.

ahh you were so close! the Chevy 350 is 5.7 liters, not 5.8. I know who cares? Well it just gets to me, cause the 5.8 is a Ford 351... ughh Ford! haha kidding. Just informing you is all, so we can all know the same shit! YAY!

[Gravitom]

Hey Redneck, nice ride. What 1/4 miles do you run? Is your Nova street legal? I assume its stripped because of its 3000lbs weight.

[vtecthis]

I personally think this thread is stupid. No one knows the reliability of a built engine setup, thats why you keep tabs on it. Only stock cars with a history of like 5-10+ years can you have a good idea of reliability. B/c they all were the same and all should have high miles. Where a built engine with or without turbo or supercharger you dont know whats gonna happen. Granted it's a good guess that a 500hp civic will break a lot compared to a 500hp corvette, but a civic doesnt need 500hp to match up with a 500hp corvette b/c of the weight. A civic would need only around 300-350hp to match up with a 500hp corvette. There are too many factors to take in. I think the fact of hooking up a car or thinking your car is fast is to beat another car. If I race you and I beat you, I dont want you saying, "we'll you have more hp" or "we'll you have more money in your car." I dont care, you thought your car was faster than mine, you wanted to race me, just take the lose. I dont want to hear crying and excuses. It's all about winning, plain and simple!!!

PS: And for n1kki6, so you have a corvette and import guys/girls are talking shit. You should race them to prove them wrong. If you win and your car is faster, then like I said before, "Plain and simple, your car is faster."

[Pennzoil GT-R]

is that a Veilside kit you have on you're Supra??? looks nice, what internal mods have you done?

[vtecthis]

Yeah, its the full veilside kit. Thats my old supra, I sold it March of this year. I'm picking up my new supra this weekend, its being tuned right now as we speak and getting parts put in it. The supra's internals are fine and reliable for around 700hp, so not a necessity until you want a fuking beast...

[YellowMaranello]

Originally posted by vtecthis
The supra's internals are fine and reliable for around 700hp, so not a necessity until you want a fuking beast...

Don't we all want fuking beasts?