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Looking at a Precision turbo for my rb25det Neo.

From what I've gathered the 6266 0.84 should match nicely. Motor is internally stock but will be running E85.

I'm thinking about spending the extra cash on a twin scroll setup, going to be in a light S15 so I'd want power delivery as smooth as possible.

Any graphs or comments for a similar setup

Edited by n_D

Hey dave do you have any specs on whats done to the head? Im guessing its got some $$$'s spent on it? As good as the 6466 is dave I would still keep the good old HKS T51R. :) TILL THIS DAY, They still sound the best out of every turbo out there when spooling and cracking that big gate open. Not to mention how farking PORRRRN they look in a skyline engine bay. Haha. How much more do you reckon the t51r has left in it on your setup dave?

At this stage piggaz has talked me into going a pt6262 on my built rb25 with a r33 gtr 2.6ltr crank in it. After seeing all these 6466 30/25 or 30/26 setups making such grouse power makes me just want to build a 30 bottem end and go 6466.

:) :) :)

Josh

Hey dave do you have any specs on whats done to the head? Im guessing its got some $$$'s spent on it? As good as the 6466 is dave I would still keep the good old HKS T51R. :) TILL THIS DAY, They still sound the best out of every turbo out there when spooling and cracking that big gate open. Not to mention how farking PORRRRN they look in a skyline engine bay. Haha. How much more do you reckon the t51r has left in it on your setup dave?

At this stage piggaz has talked me into going a pt6262 on my built rb25 with a r33 gtr 2.6ltr crank in it. After seeing all these 6466 30/25 or 30/26 setups making such grouse power makes me just want to build a 30 bottem end and go 6466.

:) :) :)

Josh

Why would you wanna change it when it sounds like this :D

Took a snap of the graph from the 6466 on the RB26 that JEM tuned the other month.

Soooo much midrange for the power output.

attachicon.gif1380269364291.jpg

+1 on getting specs of this motor. 950 ftlbs and 30psi at 4700rpm from a 64mm turbo on 2.6L? how is that even possible?

I'm pretty sure it's just a basic build.

Forged pistons and rods, drop in cams etc.

TS 6466.

We went out on a cruise sat night with a few other big HP GTRs and this thing annihilated everything, every bit as responsive as the graph suggests.

I'm pretty sure it's just a basic build.

Forged pistons and rods, drop in cams etc.

TS 6466.

We went out on a cruise sat night with a few other big HP GTRs and this thing annihilated everything, every bit as responsive as the graph suggests.

Loving the sound of this

Richard had to drop the motor as it was sitting too high and the plazmaman was hitting the bonnet, I was there on Thursday dropping off some E85 and Richard said that it was due back from the exhuaust shop later that day then they had to drop the engine and finish off some of the connectors and a few hoses here and there and then it will be ready to start and hopfully tune. He said should be ready by mid this week

Richard had to drop the motor as it was sitting too high and the plazmaman was hitting the bonnet, I was there on Thursday dropping off some E85 and Richard said that it was due back from the exhuaust shop later that day then they had to drop the engine and finish off some of the connectors and a few hoses here and there and then it will be ready to start and hopfully tune. He said should be ready by mid this week

God. I can hear the money burning by the hour.

I hope it turns out well for you mate :thumbsup:

Not the same on the street?

How much more than the 6262?

With the hubber they are usually about 300-500rpm better on the street. With the roller it's usually closer but even if it was the same as the dyno it would still be awesome

I'm pretty sure it's just a basic build. Forged pistons and rods, drop in cams etc. TS 6466.We went out on a cruise sat night with a few other big HP GTRs and this thing annihilated everything, every bit as responsive as the graph suggests.

We'll, forgive me for being a sceptic, but I need to see a timeslip or data log to believe. This thing still makes 200 ftlbs more than I thought possible and spools earlier than a 35r. Crazy!

When I had a GT35R it was on song (26psi) by 4400rpm. This thing is laggier than that, id say T04Z territory.

These aren't a big turbo physically which is surprising to see what they produce. Looks like a GT35R from the front but the rear housing looks quite large.

The blade design on the turbine side is also something I haven't seen before, it is like the blades are convex. (if that makes sense)?

Just to add, I have seen 2x SR20VEs with these turbos making more power and on earlier than my T51R KAI RB30/25.

One ran 154mph and the other 148mph, both 5 speed H pattern cars.

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