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Old 07-31-2004, 04:58 AM   #1
manman99
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Talking Difference Between VF36 and VF37 in details

Hi Guys,

Does anyone know the difference between a VF36 and a VF37
in details?

Anyone has the specification or Dyno Chart for VF36 and VF37?

Or anywebsites that has info on this VF36 and VF37?

Thks
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Old 08-09-2004, 06:17 PM   #2
dug-e-fresh
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Only info I have, VF36 = twinscroll VF34 and a VF37 is like a twinscroll VF30.

Essentially they spool quicker and yeild larger power bands than the previous 30/34 siblings.

The 36 is supposed to have a titanium compressor wheel along with the ball bearing cartridge.

They are limited to 300-330 whp for the most part because they run out of efficiency when boosted too high.

def
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Old 08-09-2004, 06:34 PM   #3
samowrx
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vf36 - ball bearing
vf37 - thrust bearing

that's what i've read in the forums. both turbos have very similar characteristics.
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Old 08-09-2004, 06:40 PM   #4
dug-e-fresh
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BTW- I run a VF36 (12.05 @ 115.2) and I am dabbling with a VF37 looking for ways to upgrade it.

def
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Old 08-09-2004, 06:45 PM   #5
Rallycarperson
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They are very similar turbos.
This is another example, like the VF34 and VF30.


-Mark
www.MAPmotors.com
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Old 08-09-2004, 10:17 PM   #6
YaZahX
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Quote:
Originally Posted by dug-e-fresh
BTW- I run a VF36 (12.05 @ 115.2) and I am dabbling with a VF37 looking for ways to upgrade it.

def
are u running stock 14pound wastegate? if not which one did u get?
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Old 08-09-2004, 10:40 PM   #7
MauroMotorsports
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Change the wastegate spring....it'll run 11's
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Old 08-09-2004, 11:25 PM   #8
jefersun
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Quote:
Originally Posted by dug-e-fresh
Only info I have, VF36 = twinscroll VF34 and a VF37 is like a twinscroll VF30.

Essentially they spool quicker and yeild larger power bands than the previous 30/34 siblings.

The 36 is supposed to have a titanium compressor wheel along with the ball bearing cartridge.

They are limited to 300-330 whp for the most part because they run out of efficiency when boosted too high.

def
is that on 93 or c16 octane?
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Old 08-10-2004, 01:14 PM   #9
dug-e-fresh
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13.7 @ 102, '09 spec.B

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Quote:
Originally Posted by YaZahX
are u running stock 14pound wastegate? if not which one did u get?
the spring on the VF36 is a 9lb'er. I have additional springs on the the actuator holding it shut 'til 20, still wont hold that to redline though.

def
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Old 08-10-2004, 01:18 PM   #10
dug-e-fresh
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Quote:
Originally Posted by jefersun
is that on 93 or c16 octane?
both. for me there was only a 10 whp difference in my pump gas tune vs my race gas tune.

I dyno'ed 310 on 94, 320 on C16... same boost levels. Hitting ~18 psi, tapering to ~15 to redline @ 8k.

Keep in mind that this was through a stock mid-pipe w/resonator, I have since upgraded from that 2.25 inch peice to a full 3 in section.

Also, just after the tune, my rear-end grenaded 5 miles from Turbo XS. I was told that it didn't effect my numbers... but well, I really don't know.

Another thing to keep in mind is I had a major exhaust leak on the passenger side head/manifold. I have since fixed that and spool-up is unbelievable!

def
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Old 12-19-2004, 02:35 AM   #11
WRXRallyBlue
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What's the difference between ball bearing and thrust bearing?
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Old 12-19-2004, 04:47 AM   #12
SaabTuner
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Quote:
Originally Posted by WRXRallyBlue
What's the difference between ball bearing and thrust bearing?






Adrian~
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Old 12-20-2004, 03:20 PM   #13
WRXRallyBlue
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Wow, thanks.

The only problem is it's too early for me to understand that..
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Old 12-20-2004, 05:22 PM   #14
jblaine
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Great pics -- where did you get those?
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