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Old 08-15-2014, 01:10 PM   #1
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Default Turbo Recommendation

So I'm building a 1.8 motor and im going with forged internals and 8.8:1 compression .040" overbore pistons . and ARP studs on everything. what kind/size turbo would you guys recommend for a strip/steet car. (im new to turbos, still learning). Thanks for help
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Old 08-15-2014, 01:12 PM   #2
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what are the power and torque curve goals
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Old 08-15-2014, 01:13 PM   #3
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A big one.






But seriously that's not enough info. Goals? Budget? You'll get better results if you read through some build threads and see what others experienced than if you just ask us questions.
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Old 08-15-2014, 01:25 PM   #4
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BORG WARNER S366
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Old 08-15-2014, 01:32 PM   #5
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Id like to be around 275-300 Hp with 220-240 torque. budget about $3500-$4000. 3" exhaust.. MS..

Ive been checking some different builds out.
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Old 08-15-2014, 01:34 PM   #6
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Then you use the same turbo as everyone else in existence, in 90% of those build threads you've been checking out.


2560.
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Old 08-15-2014, 01:38 PM   #7
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Yeah I've seen them. its seems like a relatively small turbo tho. i mean I'd like to go with more power but Im not sure what these tansmissions can handle.
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Old 08-15-2014, 01:39 PM   #8
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Quote:
Originally Posted by Granteed View Post
Yeah I've seen them. its seems like a relatively small turbo tho. i mean I'd like to go with more power but Im not sure what these tansmissions can handle.
Do you want to go with more power, or do you want the 275-300hp you just told us you wanted?

Make up your mind.
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Old 08-15-2014, 01:46 PM   #9
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I know I know, honestly I would like to get as much power as the motor can handle but still be drivable on the street.
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Old 08-15-2014, 01:47 PM   #10
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2871R, 0.64a/r
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Old 08-15-2014, 01:50 PM   #11
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Quote:
Originally Posted by Granteed View Post
I know I know, honestly I would like to get as much power as the motor can handle but still be drivable on the street.
5spd, 6spd, TII, what rear end?
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Old 08-15-2014, 01:59 PM   #12
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5spd, torsen 3:90 rear
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Old 08-15-2014, 02:13 PM   #13
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Quote:
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5spd, torsen 3:90 rear
2560.


And a very empathetic right foot.
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Old 08-15-2014, 02:22 PM   #14
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Here's a chart Soviet made that might help you figure out what your goals are:

If you want as much power as the engine can handle (assuming you do a few upgrades) you gon break **** on the street.
Attached Images
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Old 08-15-2014, 02:24 PM   #15
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^Troof.

Motor in our car isn't the most insane thing in the world, but if i did the work to push it, nothing else in the car would hold together. Nothing.
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Old 08-15-2014, 02:25 PM   #16
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Know what i would do, OP?

Ever been in a 250whp Miata?

I'd shoot for 250whp. Get an FM2 kit with the 2560, run it on stock motor. Transmission will survive, it'll last forever with a good tune, and it'll be cheaper. Still fast.

Because... and stay with me here... you won't get a built motor, turbo kit, clutch, standalone, fueling, etc etc etc all for your $4k budget. $4k gets you a turbo setup.


Spending another couple thousand just to make another 25-50hp is dumb.
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Old 08-15-2014, 02:41 PM   #17
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Quote:
Originally Posted by Granteed View Post
Yeah I've seen them. its seems like a relatively small turbo tho. i mean I'd like to go with more power but Im not sure what these tansmissions can handle.
Why do you care how small it is? It gets it done and nicely. To be honest I wouldnt mind if it was a little smaller and still get the same gains. For me Id rather run the smallest turbo possible to reach my goals within reason. Why? Well there are several reasons including spool. Remember, are little motors have to spin the turbo.
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Old 08-15-2014, 02:42 PM   #18
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Fair enough. haha and i like the chart. thats what i was worried about. "everything else" so ill stick to my original goals and run a 2560.
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Old 08-15-2014, 02:43 PM   #19
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IMO you should check out the FAQs
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Old 08-15-2014, 02:45 PM   #20
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Quote:
Originally Posted by concealer404 View Post
Know what i would do, OP?

Ever been in a 250whp Miata?

I'd shoot for 250whp. Get an FM2 kit with the 2560, run it on stock motor. Transmission will survive, it'll last forever with a good tune, and it'll be cheaper. Still fast.

Because... and stay with me here... you won't get a built motor, turbo kit, clutch, standalone, fueling, etc etc etc all for your $4k budget. $4k gets you a turbo setup.


Spending another couple thousand just to make another 25-50hp is dumb.
Yeah Im following ya.. and yeah a buddy of mine has about 270 whp in his NA and that thing is a rocket (on stock internals).
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