6870 precision turbo on a stage 2 any one?

[forcefed3.8's]

Vince Janis told me to never use dex 6.
It all depends where you want to shift. At high 8 sec power, an 18 blade stalled at 6000 and i shifted at 6400 to 6600. I now run a 20 blade and it flashes to 6400, and I shift at 7000. I wish I had the 18 blade, I want to put a 3 bolt 71hpq back on it and go TSM racing now that the weight penality for a stage block is gone.

 

[sackracing]

I run strictly hygard. It holds up to heat very well.

There's two viscosity hygard to choose from.

 

[nat86]

I will stick with what I usually use if it's too tight then I will figure something else out

Sent from my SM-N910T using Tapatalk

 

[nat86]

What viscosity is this this is what I usually run

Sent from my SM-N910T using Tapatalk

 

[nat86]

Ok it looks like the ty22062 has a viscosity of 30 weight. The ty6342 has the viscosity of 10 weight. Looks like I might try ty6342

Sent from my SM-N910T using Tapatalk

 

[20psiofevil]

Anyone have thoughts on a s369 sxe vs this turbo? Also here is a good read about the 6870 and has spool up comparison between the 81 and 96 ar housing.http://thesuprablog.com/2015/08/06/the-new-standard-the-pte-6870-and-bw-s369-turbo/

 

[nat86]

this is interesting

Sent from my SM-N910T using Tapatalk

 

[V6sleeper]

Wow that's a huge difference between the 6870 and the 6766 .81s starting at 30psi, didn't expect it to be that much.
Back pressure problems maybe?

 

[nat86]

Yes I was surprised to glad I'm going with the 96 housing

Sent from my SM-N910T using Tapatalk

 

[sackracing]

Lots of backpressure with the .85 three bolt housing. Lots. That's a big exhaust wheel for a three bolt housing.

 

[nat86]

Looking at the data I think I made the right decision going with the 96 housing

Sent from my SM-N910T using Tapatalk

 

[turboclam]

Lots of experience on this thread. What do you guys think of this combo?

Iron 4.1 stage II, 3.965 bore
TA heads ( stage 2 port work from TA)
226-226 hydraulic roller, 1.55 rocker
4 bolt 71hpqbb with .81 exhaust
EA 200-4R
XFI
120lb injectors
E85

Have not picked a converter yet. Was going to get an opinion from Dusty or Lonnie. Primarily will be a street car.

Thanks

 

[sackracing]

I'd go with the PTC. No doubt.

 

[nat86]

Lots of experience on this thread. What do you guys think of this combo?

Iron 4.1 stage II, 3.965 bore
TA heads ( stage 2 port work from TA)
226-226 hydraulic roller, 1.55 rocker
4 bolt 71hpqbb with .81 exhaust
EA 200-4R
XFI
120lb injectors
E85

Have not picked a converter yet. Was going to get an opinion from Dusty or Lonnie. Primarily will be a street car.

Thanks

What fuel pump are you running?

Sent from my SM-N910T using Tapatalk

 

[nat86]

My 68 is really happy around 25-28 pounds. These billet turbos make crazy power way lower in the boost curve.

You can use fluid to tighten and loosen the converter a little. We use John Deer Hygard instead of trans fluid, this will tighten it up some. Switch back to trans fluid to loosen it up.

I wonder what the stall difference would be running the HY Gard ty 6342 have you ever run that it's like 10 weight

Sent from my SM-N910T using Tapatalk

 

[turboclam]

I'm going to try the Walbro 430 pump with a volt booster and the Racetronix fuel lines. I'd like to see how far it will take me.

I know I'll eventually need a DP if wanting more power.

 

[sackracing]

I wonder what the stall difference would be running the HY Gard ty 6342 have you ever run that it's like 10 weight

Sent from my SM-N910T using Tapatalk

I run the lighter viscosity hygard, I couldn't give you a good number.

 

[sackracing]

I'm going to try the Walbro 430 pump with a volt booster and the Racetronix fuel lines. I'd like to see how far it will take me.

I know I'll eventually need a DP if wanting more power.

I would absolutely get a double pumper or Walbro with that combo. Think of the fuel pump as insurance, over insure the motor against grenading.
I can sell you a racetronix dp, but even if you don't get it from me, I would seriously consider the upgrade.

 

[nat86]

I run the lighter viscosity hygard, I couldn't give you a good number.

Could you please give me a part number on the transmission fluid. Thanks buddy

Sent from my SM-N910T using Tapatalk

 

[forcefed3.8's]

The hygard is going to lower the flash stall, i think you will need more flash stall. It will spool fine, just not be at the happy rpm range going down the track, leaving a little on the table. I pick up 2mph by having the engine at 6400 to 7000 rather than 6000 to 7000.