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Old 12-17-2007, 07:32 PM   #1
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Default build the motor or no...I'm runing out of cash

My roommate arrangement fell though, and I'm running out of cash. I now don't have so much cash left over after bills.

I have a 80k mile 99 motor from a wreck car. I'm thinking about only getting the bottom end done and not touching the head aside from a resurface, or doing nothing at all and just throwing the gt2860rs. If the motor were 9.0:1 instead of 9.5, this would be a no-brainer. This is primarily a track car btw.
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Old 12-17-2007, 07:33 PM   #2
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just throw it in and boost it...you'll be fine for the time being, 80K is nothing...
good luck man
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Old 12-17-2007, 07:33 PM   #3
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Just throw the bitch in your car and be happy
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Old 12-17-2007, 07:40 PM   #4
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Originally Posted by hustler View Post
If the motor were 9.0:1 instead of 9.5, this would be a no-brainer.
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Old 12-17-2007, 07:56 PM   #5
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are you angry with mazda or me? $800+ per month for rent sucks ***. No more track days for me.
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Old 12-17-2007, 07:57 PM   #6
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just throw it in and boost it...you'll be fine for the time being, 80K is nothing...
good luck man
I'm worried about 9.5:1 compression, 250whp, and track days. I have a gt2860rs...so i doubt I'll be able to turn the boost down much considering some people here are making 257whp at 9psi.
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Old 12-17-2007, 08:05 PM   #7
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I don't care how much pontificating you do, something will break. Get over it and do something, anything.
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Old 12-17-2007, 08:06 PM   #8
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$800+ per month for rent sucks ***.
Ha!

Try $1700 a month. 1 Bedroom.
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Old 12-17-2007, 08:33 PM   #9
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what about one of those thicker head gaskets that drop the compression by increasing size of combustion chamber? how much do they actually decrease it by?

find a low mileage 94-97 bottom and throw the 99 head on it.
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Old 12-17-2007, 08:51 PM   #10
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what about one of those thicker head gaskets that drop the compression by increasing size of combustion chamber? how much do they actually decrease it by?
bad idea. reduces quench area. can actually INcrease detonation.
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find a low mileage 94-97 bottom and throw the 99 head on it.
good idea. 200 bucks easy.
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Old 12-17-2007, 09:03 PM   #11
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are you angry with mazda or me? $800+ per month for rent sucks ***. No more track days for me.
i pay $1,116.25/mo for my tiny-*** 1 bedroom apartment... west hollywood goddamit :/
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Old 12-17-2007, 09:22 PM   #12
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Stick the 99 engine + turbo in and run 105 octane race gas for extra detonation protection for track days.
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Old 12-18-2007, 09:32 AM   #13
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find a low mileage 94-97 bottom and throw the 99 head on it.
I made one thread on a local board and aleady have 3 people in line.

I know 250whp is the ultimate limit for rings on a stock bottom end. What power would you be comfy putting down with long, hot 30 minute track sessions on the stock bottom end?
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Old 12-18-2007, 09:47 AM   #14
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350hp minimum, or else the crank shaft will spontaneously combust. Ive seen it.
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Old 12-18-2007, 10:09 AM   #15
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350hp minimum, or else the crank shaft will spontaneously combust. Ive seen it.
I believe this. Too bad I won't get a plaque with my machine work.
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Old 12-18-2007, 10:25 AM   #16
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Quote:
Originally Posted by hustler View Post
I'm worried about 9.5:1 compression, 250whp, and track days. I have a gt2860rs...so i doubt I'll be able to turn the boost down much considering some people here are making 257whp at 9psi.
this would tell me that with your set up 9 psi is a great starting point

if you get a solid relaible tune you should have no worries in that hp range
if you can get the bottom end for cheap then you might as well build it up a bit (rods, rings, pistons, new seals, etc.) thats what im doing, but first im turboing the motor thats already in my car and then im building the other one...so its kinda like one project at a time, sort of
you know you have a good motor, it will take 250ish for a long while properly tuned, so go for that for now and once you are done start the engine build...good luck man

as far as all these rent comments are going, im paying almost 700 for a OK neighborhood 2 bedroom 5 minutes from the Uni.-as many bars and bitches as you want within a 10 mile radius....how you like me now, lol
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Old 12-18-2007, 11:24 AM   #17
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selling valve train?
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Old 12-18-2007, 11:48 AM   #18
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selling valve train?
no.






I have rods, pistons, and new seals all the way around. I may end up with new valve guides and seals and crap if needed...if I build it up. I may just bold the stock 9.0:1 bottom end on and go.
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Old 12-18-2007, 12:04 PM   #19
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im paying almost 700 for a OK neighborhood 2 bedroom 5 minutes from the Uni.-as many bars and bitches as you want within a 10 mile radius....how you like me now, lol
Three bedroom, 2 bath, in a nice suburb.

$300/month.
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Old 12-18-2007, 12:14 PM   #20
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Three bedroom, 2 bath, in a nice suburb.

$300/month.
where in LA? I'm going to work in Baton Rouge and NOLA for a few weeks in January.
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