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Author Topic: TURBO + 1390cc  (Read 5564 times)

Offline Blue-by-YOU

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TURBO + 1390cc
« on: November 17, 2002, 06:20:00 PM »
Ok I've been thinking about installing a turbo over the winter or going 1390 or both.

Please tell me what upkeep or problems you may have with the TURBO motor for those that have one.

Does anyone have both 1390cc and the turbo setup wonder what the benefits would be versus the disadvantage.

Need to do something getting bored with the stock motor.

Oh and I will be using this bike for both street riding and at the strip.            

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TURBO + 1390cc
« Reply #1 on: November 17, 2002, 06:22:00 PM »
Keep your stock motor and just turbo it

Offline joe

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TURBO + 1390cc
« Reply #2 on: November 17, 2002, 06:28:00 PM »
if you plan on going to turbo pistons then i believe that 2mm over or 1363 cc is the biggest bore out there from either j&e or mtc. running
a spacer .080" plate & turbo pistons is truly the
way to go . you get alot better quality piston to hold up to the boost . also a cometic head gasket is the only choice to. just my opion.

Offline smithabusa

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TURBO + 1390cc
« Reply #3 on: November 17, 2002, 06:32:00 PM »
I believe that is what motorhead runs, try asking him.
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www.boostbysmith.com

Offline Blue-by-YOU

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TURBO + 1390cc
« Reply #4 on: November 17, 2002, 06:34:00 PM »
 Dam!

I thought I read that someone on this board had a 1390 motor with a turbo installed.
 

Offline Blue-by-YOU

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TURBO + 1390cc
« Reply #5 on: November 17, 2002, 06:35:00 PM »
MotorHead are you out there, your input would be great.  

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TURBO + 1390cc
« Reply #6 on: November 17, 2002, 06:36:00 PM »
Building one now,not much help to you...sorry

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TURBO + 1390cc
« Reply #7 on: November 17, 2002, 06:50:00 PM »
Well for the best streetablity I'd say a stock motor is great.
Also 300+ hp is easily obtained with a stock motor as well. I mylself did 8,000 miles on a completly stock motor last year. Only thing done was a spacer plate under the block.

I'd just turbo what you've got, maybe throw in some pistons. And when and if you get bored with that, then do a 1390 later.

But really it's all in what you want to do. If you want to make big hp, do pistons, rods, springs, and a new cam chain

THEMOTORHEAD

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TURBO + 1390cc
« Reply #8 on: November 17, 2002, 09:57:00 PM »
i run and have built 6 or 7 1390 turbos this year
much faster spooling
alot more off boost grunt
more hp per # of boost

Offline Blue-by-YOU

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TURBO + 1390cc
« Reply #9 on: November 18, 2002, 05:07:00 AM »
Now thats what I want to hear.

What kind of turbo do you recommend MotorHead, Oh and I don't want to rake my frame.

What typ of HP would I be looking at without making it an all race bike only.

THEMOTORHEAD

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TURBO + 1390cc
« Reply #10 on: November 18, 2002, 08:17:00 AM »
what turbo requires raking?
only 1390 motors that will work with a turbo are prepped by me
my motors are the strongest busa motors on the planet
bar none

Offline THE ICE MAN

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TURBO + 1390cc
« Reply #11 on: November 18, 2002, 08:23:00 AM »
Going 1390 does not leave very much head gasket between cyclinders, not a good thing!
Hey but what do I know? just my opinion!
41 Maxton records 650 750 1000 1350 1650 2000 3000 3001+ classes top speed Turbo Busa 236.96 MPH Busa 1507 NA 223.330 MPH
Fastest N.A. 600 750 1000 1350 @ Maxton
Fastest N.A.Kawasaki ZX12 212.846  1 mile 1287cc
Fastest NA Busa @ Texas mile Goliad 217.0 MPH

THEMOTORHEAD

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TURBO + 1390cc
« Reply #12 on: November 18, 2002, 08:33:00 AM »
there's plenty if prepped properly
real question is what is enough gasket

Offline Blue-by-YOU

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TURBO + 1390cc
« Reply #13 on: November 18, 2002, 09:16:00 AM »
I thought the MCexpress did (Raking)

Offline CARLOS

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TURBO + 1390cc
« Reply #14 on: November 18, 2002, 11:49:00 PM »
IF YOU PLAN ON LOWERING THE FRONT END FOR DRAGRACING YOU WILL NEED TO RAKE THE FRAME. UNLESS YOU GO WITH A INTERCOOLER THAT IS BUILT INTO YOUR PLENUM!! (CORRECT ME IF I AM WRONG MOTORHEAD)  
GULLEY BROTHERS CUSTOMS

Offline WILD RIDE

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TURBO + 1390cc
« Reply #15 on: November 20, 2002, 10:23:00 AM »
Motorhead are The 1390 pistons turbo specific, or are they the ones you use on the normally aspirated motors?  Thanks.

All the way.

Offline Twisted

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TURBO + 1390cc
« Reply #16 on: November 20, 2002, 12:25:00 PM »
quote:
Originally posted by MOTORHEAD:
what turbo requires raking?
only 1390 motors that will work with a turbo are prepped by me
my motors are the strongest busa motors on the planet
bar none

cool, now we get some more photochops, I was getting bored  

THEMOTORHEAD

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TURBO + 1390cc
« Reply #17 on: November 20, 2002, 01:09:00 PM »
i carry customs