bad day for the neon

Southwest Montana SCCA discussions for the 2004 season.

What should I do with the engine?

Keep the compression (13:1) and naturally aspirated
Lower the compression (8:1) and turbocharge
Total votes: 7

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bad day for the neon

Postby fastneons » Sat Sep 11, 2004 5:11 pm

Doesn't look like the green hornet will be running this year anymore :( . I finally got around to working on it today, only to find out I broke the compression ring on cylinder 1. Man that sucks! Oh well, that gives me two projects to do this winter. The other project is top secret, so keep it on the down low 8) .
2002 Porsche 911....almost as fast as an srt4

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Postby rkaiser » Sat Sep 11, 2004 5:19 pm

what, no option for lowering the compression and keeping it naturally aspirated :)

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Postby JoeE » Mon Sep 13, 2004 7:48 am

I didn't realize that your CR was that high. :shock:
Do you know why the ring broke?
Personally I like the relative simplicity of a N/A engine. And for some reason the higher it revs the more I like it.
I'm sure you are well aware of the massive torque you can get with a boosted engine, but over what rpm range?
Its really a bummer we didn't get your car on the dyno before this happened, so see what the torque curve looked like.
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Postby RayAR » Mon Sep 13, 2004 6:09 pm

Even though a turbo engine will make more horsepower and be more streetable then your 13:1 engine I had to vote to keep the high compression. Your car allready has more power then it can use effectivly on a tight autocross course.

Not sure if you have heard, but I had a rather bad Sunday(an understatemant) Bad enough that I have decided that the Stealth is being retired from active competition. Let just say my Brain and right leg just wouldn't communicate to each other(I should of just went home after the first incedent). Looks like the damage is pretty minimal but I can't subject my car to the possability of that kind of mistake anymore.
1990 Mazda Miata. Most fun you can have with only 116 HP!!!!!!

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Postby WRX-B » Tue Sep 14, 2004 2:59 pm


Do you have to drop the compression that far? I would think you could go at 9:1 and boost it pretty nicely. 275 whp at 7-8psi, ready.......GO! (with insane torque)

And, a custom turbo project just seems like more fun.

My 4 cents.


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Postby Reinman » Tue Sep 21, 2004 2:15 pm

Go for a supercharger. you'll always have the power through low end and uper end. I don't think you have to drop your compression as much as with a turbo, but check into that. It may be more cost effective too???

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