Rebuilding engine from scratch
10-29-02, 01:45 PM
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Rebuilding engine from scratch
Im talking about new rotor housings, bearings, n everything else..
How much would it cost.. i know a normal rebuild is 2000-2800 if i wanted everything completly new how much would it be??
Thanks.. I just want to build a really solid engine
money is not a issue.thanks.. its a 13BT i was considering
How much would it cost.. i know a normal rebuild is 2000-2800 if i wanted everything completly new how much would it be??
Thanks.. I just want to build a really solid engine
money is not a issue.thanks.. its a 13BT i was considering
10-29-02, 01:54 PM
#3
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New bearings are a waste of time - good, used bearings are typically (rule of thumb) better to reuse than brand new bearings.
Maybe you can tell us what you're trying to built this motor for?
Mazda OEM "seal kit" = ~$1,500
Mazda OEM "gasket kit" = ~$400
Ceramic apex seals - $200/per x 6 = $1,200 (minus $500 from "seal kit")
-Ted
Maybe you can tell us what you're trying to built this motor for?
Mazda OEM "seal kit" = ~$1,500
Mazda OEM "gasket kit" = ~$400
Ceramic apex seals - $200/per x 6 = $1,200 (minus $500 from "seal kit")
-Ted
10-29-02, 01:57 PM
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Originally posted by RETed
New bearings are a waste of time - good, used bearings are typically (rule of thumb) better to reuse than brand new bearings.
Maybe you can tell us what you're trying to built this motor for?
Mazda OEM "seal kit" = ~$1,500
Mazda OEM "gasket kit" = ~$400
Ceramic apex seals - $200/per x 6 = $1,200 (minus $500 from "seal kit")
-Ted
New bearings are a waste of time - good, used bearings are typically (rule of thumb) better to reuse than brand new bearings.
Maybe you can tell us what you're trying to built this motor for?
Mazda OEM "seal kit" = ~$1,500
Mazda OEM "gasket kit" = ~$400
Ceramic apex seals - $200/per x 6 = $1,200 (minus $500 from "seal kit")
-Ted
10-29-02, 02:02 PM
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Originally posted by RETed
Impossible to check condition of bearings until you open the engine up.  Overrevving can cause bearing failure...
-Ted
Impossible to check condition of bearings until you open the engine up.  Overrevving can cause bearing failure...
-Ted
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10-29-02, 02:14 PM
#8
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First off, there is almost no limit to how much you can spend building an engine. There are so many little nickel and dime things you can do. You really have to find where to stop - there's a certain point where you spend money that's not gaining you anything.
By the same token, build a good motor, but instead of sinking everything into the motor, put some of the money into the car - brakes, suspension, intercooler, fuel management. A motor is an important part of the car, but it's not the whole car.
Overrevving on a rotary isn't really a big deal - I've had my motor to around 9500 RPM on a mis-shift with no problems. If the compression is bad, you probably have just a good ol' broken apex seal and a scored rotor housing - nothing spectacular. If you did hit detonation, it really sounds like it's time to invest in fuel management and intercooling.
Dale
By the same token, build a good motor, but instead of sinking everything into the motor, put some of the money into the car - brakes, suspension, intercooler, fuel management. A motor is an important part of the car, but it's not the whole car.
Overrevving on a rotary isn't really a big deal - I've had my motor to around 9500 RPM on a mis-shift with no problems. If the compression is bad, you probably have just a good ol' broken apex seal and a scored rotor housing - nothing spectacular. If you did hit detonation, it really sounds like it's time to invest in fuel management and intercooling.
Dale
10-29-02, 02:15 PM
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if you bought all the parts new it would be about $6500
mike
mike
10-29-02, 02:15 PM
#10
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New bearings are like $200 per for parts and labor.
New rotors housings are like $400 per x 2.
You're talking about serious money here - $3500 just for stock parts.
Add at least another $1,000 for labor and porting...
-Ted
New rotors housings are like $400 per x 2.
You're talking about serious money here - $3500 just for stock parts.
Add at least another $1,000 for labor and porting...
-Ted
10-29-02, 02:20 PM
#11
I wish I was driving!
Originally posted by dcfc3s
First off, there is almost no limit to how much you can spend building an engine. There are so many little nickel and dime things you can do. You really have to find where to stop - there's a certain point where you spend money that's not gaining you anything.
Dale
First off, there is almost no limit to how much you can spend building an engine. There are so many little nickel and dime things you can do. You really have to find where to stop - there's a certain point where you spend money that's not gaining you anything.
Dale
10-29-02, 02:49 PM
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sorry i shoulda been more descreptive.. i was just worried about the housings and the bearings being brand new..i did some searching.. ted already gave me teh answer.. appreciate the help guys.. hopefully i can get this started soon.. u guys have any recommendations i can send it to? and where can i get brand new rotorhousings from? perferabbly canada if u guys know of any places
Last edited by DyNaMiTe KiD; 10-29-02 at 02:53 PM.
10-29-02, 02:54 PM
#13
I wish I was driving!
Originally posted by DyNaMiTe KiD
sorry i shoulda been more descreptive.. i was just worried about the housings and the bearings being brand new..i did some searching.. ted already gave me teh answer.. appreciate the help guys.. hopefully i can get this started soon.. u guys have any recommendations i can send it to? and where can i get brand new rotorhousings from? perferabbly canada if u guys know of any places
sorry i shoulda been more descreptive.. i was just worried about the housings and the bearings being brand new..i did some searching.. ted already gave me teh answer.. appreciate the help guys.. hopefully i can get this started soon.. u guys have any recommendations i can send it to? and where can i get brand new rotorhousings from? perferabbly canada if u guys know of any places
Send it to oregan, pineapple racing.
www.pineappleracing.com
10-29-02, 03:51 PM
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Originally posted by dcfc3s
First off, there is almost no limit to how much you can spend building an engine. There are so many little nickel and dime things you can do. You really have to find where to stop - there's a certain point where you spend money that's not gaining you anything.
By the same token, build a good motor, but instead of sinking everything into the motor, put some of the money into the car - brakes, suspension, intercooler, fuel management. A motor is an important part of the car, but it's not the whole car.
Overrevving on a rotary isn't really a big deal - I've had my motor to around 9500 RPM on a mis-shift with no problems. If the compression is bad, you probably have just a good ol' broken apex seal and a scored rotor housing - nothing spectacular. If you did hit detonation, it really sounds like it's time to invest in fuel management and intercooling.
Dale
First off, there is almost no limit to how much you can spend building an engine. There are so many little nickel and dime things you can do. You really have to find where to stop - there's a certain point where you spend money that's not gaining you anything.
By the same token, build a good motor, but instead of sinking everything into the motor, put some of the money into the car - brakes, suspension, intercooler, fuel management. A motor is an important part of the car, but it's not the whole car.
Overrevving on a rotary isn't really a big deal - I've had my motor to around 9500 RPM on a mis-shift with no problems. If the compression is bad, you probably have just a good ol' broken apex seal and a scored rotor housing - nothing spectacular. If you did hit detonation, it really sounds like it's time to invest in fuel management and intercooling.
Dale
I was at 6 grand in 3rd and well..went into 2nd, rpm gauge was at 8000 for awhile.. i have to pay for it now.
i just dont want a half way rebuild.. i'll use the 2mm seals with the new housings, i only want like 350 rwhp. i guess bearings and housings are the big things here. and i think i mighta slipped a bearing, i seen a rotor housing before that broke a apex seal, and by the housing it left a gouge, and i think my housing is gouged b/c it chipped the turbo wheel inside..i seen it when i pulled it apart, replaced it thogh. then engine started smoking really bad with oil, but looks like a mixtire of fuel n oil.. i know that the seals probably took a ****.. i just wanna do it right,ceramic seals is a maybe but i was lookin at fc3s-pro and did some research on fd stationary gears n bearings n all. I'll run things by u guys beforei decide to do anything, im still researching like it was said"should spend money on other parts of the car as well" i totally agree with that..
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