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what is PSI is safe on a sleeved block?

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Old Mar 14, 2007 | 08:03 PM
  #1  
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Default what is PSI is safe on a sleeved block?

i will be having this set up below... can anyone tell me.. if this motor can handle the MOST PSI that the PE TT kit can handle?

Block oil passages cleaned
Block redecked
Block Bored and Honed using a Torque Plate
Crank balanced
Crank journals polished
*Darton MID Sleeves
New Main and Rod bearings w/ceramic coating
Pauter Rods
ARP Rod Bolts
CP Pistons(8.5:1)
Ceramic coating on Piston skirts and tops
ARP Main Studs
ARP Head Studs
Heads oil passages cleaned
Heads redecked
Ported exhaust and intake runners
*JWT Upgraded Cams
*Ferrera 1mm Over Valve Train
5 angle valve job
Valve Stem Heights set
Cold Clearance set
New Valve stem seals
New Nissan Head gaskets
New Nissan Cam seals
Power Enterprise Twin Turbo kit casted manifolds w/ brackets oil and water cooled
APS high volume plenumn
HKS VPRO
Custom Down Pipes by XS engineering
AAM fuel return lines
1000 cc injectors
AAM big fuel pump upgrade
3.3 Final Drive

thanks
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Old Mar 14, 2007 | 08:07 PM
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I think ur PE kti wil run out of steam before that engine blows.
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Old Mar 14, 2007 | 08:08 PM
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PM Shariff @ forged internals or UnderPressure.
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Old Mar 14, 2007 | 11:58 PM
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New Nissan Head gaskets

Theres your answere right there Not a whole hell of a lot
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Old Mar 15, 2007 | 12:34 AM
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Originally Posted by DXJP
New Nissan Head gaskets

Theres your answere right there Not a whole hell of a lot

oops.. forgot the hks metal head gaskets... its in there too
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Old Mar 15, 2007 | 05:00 AM
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150psi
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Old Mar 15, 2007 | 05:15 AM
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+1 on PE TT maxing out way before the limits of that block are reached.
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Old Mar 15, 2007 | 05:52 AM
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Originally Posted by Alberto
+1 on PE TT maxing out way before the limits of that block are reached.
this is true!!!
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Old Mar 15, 2007 | 05:54 AM
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boost the PE till it cant take it.....she what that beast can do.



yea the PE kit will def max out before you reach the limits of that kind of motor.
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Old Mar 15, 2007 | 05:57 AM
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Didnt somebody say the most that kit would do would be around 550whp? You dont even need sleeves for that....
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Old Mar 15, 2007 | 06:02 AM
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The PE TT kit with supporting mods is good from 500-550WHP... If you push those turbos beyond that point you're going to be making a LOT of heat! Heat is the Enemy and will destroy any motor over time.

Just because you have a sleeved block doesn't exclude you from engine failure, it just means the cause will most likely be the next gating item...
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Old Mar 15, 2007 | 06:03 AM
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idk i rember reading some where PE was breaking into the mid 600whp, but i think thats with the ubgraded turbos.


It would still be nice to see what PETT can really do.
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Old Mar 15, 2007 | 10:44 AM
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Originally Posted by plumpzz
I think ur PE kti wil run out of steam before that engine blows.
+1

550-650whp (depending on the dyno) is a nice comfortable limit for an unsleeved block. For all we know, the stock block can probably take a lot more, but until we know for sure, we'll sleeve them when customers are looking for 650whp+.

Unsleeved blocks can be very stout...but only time will tell.
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Old Mar 15, 2007 | 12:19 PM
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Originally Posted by gcoupeturbo
Block oil passages cleaned
Block redecked
Block Bored and Honed using a Torque Plate
Crank balanced
Crank journals polished
*Darton MID Sleeves
New Main and Rod bearings w/ceramic coating
Pauter Rods
ARP Rod Bolts
CP Pistons(8.5:1)
Ceramic coating on Piston skirts and tops
ARP Main Studs
ARP Head Studs
Heads oil passages cleaned
Heads redecked
Ported exhaust and intake runners
*JWT Upgraded Cams
*Ferrera 1mm Over Valve Train
5 angle valve job
Valve Stem Heights set
Cold Clearance set
New Valve stem seals
New Nissan Head gaskets
New Nissan Cam seals
Your engine build list looks very much like the engine build packages listed on SGP Racing's website. It is similar to their "Ultimate Long Block" which they state is "good to 850+ rwhp". Therefore, I agree with the others that the PE turbo kit will max out way before your motor does.

So is SGP doing your build? And if so, why don't you just ask Mark about it? He'll give you a good honest answer about what your max boost setting should be with the PE TT kit.
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Old Mar 15, 2007 | 12:54 PM
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I was just wondering, what is the limit of the APS kit. Not the extreme. Just turbos. And how much psi can the APS intake plenum withstand? I ve heard off 15 psi? Also having my block build and need to know the limitations for my aps kit. Block can handle it.
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Old Mar 15, 2007 | 05:08 PM
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Originally Posted by RudeG_v2.0
Your engine build list looks very much like the engine build packages listed on SGP Racing's website. It is similar to their "Ultimate Long Block" which they state is "good to 850+ rwhp". Therefore, I agree with the others that the PE turbo kit will max out way before your motor does.

So is SGP doing your build? And if so, why don't you just ask Mark about it? He'll give you a good honest answer about what your max boost setting should be with the PE TT kit.
Im actually getting the motor used from vq35carel who used to work from xs-engineering.. i has 2500 miles and yes, it was built by SGP racing... I confirmed all info with SGP that they did built it will all those things, and with xs-engineering that the engine didn't have a problem as far as they know. so... IT CAME WITH TWIN TURBO'S TOO... So, i want to push it as conservatively as 550 to the wheels... wish me luck
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Old Mar 15, 2007 | 06:54 PM
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Originally Posted by Sharif@Forged
+1

550-650whp (depending on the dyno) is a nice comfortable limit for an unsleeved block. For all we know, the stock block can probably take a lot more, but until we know for sure, we'll sleeve them when customers are looking for 650whp+.

Unsleeved blocks can be very stout...but only time will tell.

huh...........
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Old Mar 15, 2007 | 07:56 PM
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Originally Posted by KempieZ
I was just wondering, what is the limit of the APS kit. Not the extreme. Just turbos. And how much psi can the APS intake plenum withstand? I ve heard off 15 psi? Also having my block build and need to know the limitations for my aps kit. Block can handle it.

Nobody has really pushed the APS turbos from the standard kit with a good build since pretty much all are still stuck with the internal wastegate setup. I think once there are more external gate standard APS kits on built motors, you'll see well over 600whp @ 20+ psi. The turbos are far from maxed out at the 15-18psi that most people with built motors currently run.
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Old Mar 16, 2007 | 04:17 AM
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i will let you know here in a couple weeks after a certain motor is broken in what the APS kit will safely do on a fully built sleeved motor...
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Old Mar 16, 2007 | 07:02 AM
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Originally Posted by BriGuyMax
Nobody has really pushed the APS turbos from the standard kit with a good build since pretty much all are still stuck with the internal wastegate setup. I think once there are more external gate standard APS kits on built motors, you'll see well over 600whp @ 20+ psi. The turbos are far from maxed out at the 15-18psi that most people with built motors currently run.
From what I have seen, the APS TT reg turbos are very very efficient. We consistenly get more power at a given boost level, when compared to Greddy...in the sub 14psi range. After that, the Greddy's pull ahead a little bit.

It would not surprise me at all to see 650-675whp out of the APS TT's....depending on the dyno used.
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