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Precision Billet Turbos

R32GTR/Iceland
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Manuel Kasko Grand Master

Manuel Kasko

Posted
Posted

And it's on low boost

I'm sure it would crack 300 if the guys at JEM felt okay pushing more boost into it. But again they have their reasons for not doing that.

Waiting on a payment for a set of rims I sold then I should be able to show some water meth results to people interested in what it can do with ping resistance.

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SimonR32
SimonR32

The 6262 sillyness is never ending... New cams just got the most power and torque it's ever made

SimonR32
SimonR32
Mick_o
Mick_o

Dale is 100% correct its a well proven fact that smaller cams in RB's aid in response. Even going from a stock cam to a type b pon cam will cost you response. Been many track guys that have thrown the

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jet_r31 Mentor

jet_r31

Posted
Posted

Well the ching ching cooler is doin a good job because the outlet pipe up till a bit past the battery tray is nice n cool, BUT once you reach the rad/fan area it heats up pretty quick all the way to intake mani. So I know its not the cooler thats why I wanted to re-route and heat wrap that bit of top pipe away from rad/fan and cam covers

Mines the same on stagea, hot as f**k on that corner and side piece, then water is injected near the BOV , after that its cooler..

rondofj Veteran

rondofj

Posted
Posted

i was making 641nm, so looks like the two turbo's are similar on that boost, not sure about the housing differences though..

its a good result though, looks like 16psi, probably needs atleast 20psi to really unleash

Thats a pretty good point, I realise that I'm making 286rwkw on 16psi not 18psi, as it drops down to 16 up the rev range where the power peak is, so its a good figure, what will happen at 20-22psi I cannot wait, or 26psi if I add water injection.. :) 2nd gear can be pretty scary, even with a moderate stab at 4000rpms it gives a nasty lurch forward and skates sideways / wheelspins about a bit, 3rd gear same story but to a lesser extent, am running good compound tyres 18" Potenzas at the rears.. lurving it man... My dynocurve shows that it shoots up 100rwkw in about 400-500 rpms (from 100 to 200rwkw), this the bit thats fun... :yes:

AngryRB Grand Master

AngryRB

Posted
Posted (edited)

Thats a pretty good point, I realise that I'm making 286rwkw on 16psi not 18psi, as it drops down to 16 up the rev range where the power peak is, so its a good figure, what will happen at 20-22psi I cannot wait, or 26psi if I add water injection.. :) 2nd gear can be pretty scary, even with a moderate stab at 4000rpms it gives a nasty lurch forward and skates sideways / wheelspins about a bit, 3rd gear same story but to a lesser extent, am running good compound tyres 18" Potenzas at the rears.. lurving it man... My dynocurve shows that it shoots up 100rwkw in about 400-500 rpms (from 100 to 200rwkw), this the bit thats fun... :yes:

try this, find a nice smooth piece of tarmac, let second gear come up to 4000rpm without boost, then drop the hammer and fry them for 60meters ,

awesome feeling, lol oh and PRIVATE ROAD obviously :)

Edited by AngryRBGTX
rondofj Veteran

rondofj

Posted
Posted

try this, find a nice smooth piece of tarmac, let second gear come up to 4000rpm without boost, then drop the hammer and fry them for 60meters ,

awesome feeling, lol oh and PRIVATE ROAD obviously :)

hahahah..now that you told me, I will definitely try that out. Why are you only running 16psi on E85 (your signature), go 26psi.. Hey you the same guy as sliver33 something right?

AngryRB Grand Master

AngryRB

Posted
Posted

hahahah..now that you told me, I will definitely try that out. Why are you only running 16psi on E85 (your signature), go 26psi.. Hey you the same guy as sliver33 something right?

yeah i changed my name, well the usual advice is 300kw is the limit for stock bottem end so with that in mind 320kw is a good number and looking very safe on E85, i like to stay cautious rather than see how long the piece of string is... lol.

You should go E85 next, cost me around a grand extra.

AngryRB Grand Master

AngryRB

Posted
Posted

yeah i changed my name, well the usual advice is 300kw is the limit for stock bottem end so with that in mind 320kw is a good number and looking very safe on E85, i like to stay cautious rather than see how long the piece of string is... lol. Plus im working on a new project, got a cheap XR6 ute which im thinking bout turbo conversion :)

You should go E85 next, cost me around a grand extra.

KURTIS34 Community Regular

KURTIS34

Posted
Posted

i have never read my name so much on a forum before.

update jez has already told most of it but i will do it again anyway.

setup so far has put up with a drag session, private track day , 2 SAU cruises ,my wedding and a bunch of other driving.

i have been watching temps and oil use like a hawk, engine still seems very very healthy, min amount of breathing and so on.

and yes my old BOV which we installed before wakie was a massive leak no wonder it felt not as fast.

all leaks are now fixed and skybitch is better then ever thanks to jez.

below is the print out

post-57423-0-91542900-1357804481_thumb.jpg

KURTIS34 Community Regular

KURTIS34

Posted
Posted

Its very interesting to see the numbers being made with a 0.63 rear housing on the 5558, ill have to look into this more before ordering one, but is there anyone running a 0.82 rear?

I'm over the moon with how much power the baby turbo put out the best part is it made the exact power I wanted

Mitcho_7 Mentor

Mitcho_7

Posted
Posted

Going off of the road speed between kurtis and jez's graphs there doesnt seem to be that much difference between when they are on full boost.

I remeber reading somewhere that Kurtis' setuo was all in by like 3750rpm but cant recall what rpm jez was hitting full boost.

If the difference is negligible, youd almost go the ts .84 6262 just for the extra power it gives

rondofj Veteran

rondofj

Posted
Posted

I'm over the moon with how much power the baby turbo put out the best part is it made the exact power I wanted

Hey Kurtis, with that much power you could put down a high 10s quarter mile? Not sure why you got a 13.098, guess tyres/suspension/launch was the problem. I have yet to learn how to launch..

donut_kng Experienced

donut_kng

Posted
Posted

Anyone done any back to back (or similar) on the 6262 and 6266? Will be deciding between these in 0.84 TS for a 2.2 VE SR. Leaning towards the 6262 atm.

i have seen dyno sheets floating around which are probably in this post somewhere anyway - which show the difference in the response between, 6266, 6466,6766 being about 500rpm on a 3.4L ...

I have even emailed precision directly who have confirmed that it would be about 300-500rpm on a 3L

rondofj Veteran

rondofj

Posted
Posted

i have seen dyno sheets floating around which are probably in this post somewhere anyway - which show the difference in the response between, 6266, 6466,6766 being about 500rpm on a 3.4L ...

I have even emailed precision directly who have confirmed that it would be about 300-500rpm on a 3L

If you looking for a 3076R equivalent then go the 0.63/ 5558 which is what I did from research and Unigroup's advice, if you looking for bigger, then consider the 6XXX series...

KURTIS34 Community Regular

KURTIS34

Posted
Posted

Hey Kurtis, with that much power you could put down a high 10s quarter mile? Not sure why you got a 13.098, guess tyres/suspension/launch was the problem. I have yet to learn how to launch..

I can explain my time , first time drag racing ever.

Still had suspension setup for corners .

So basically driver error but hopefully with practice I will put a time to match speed but aiming for higher speed as well.

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