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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series.


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Old 04-01-2015, 08:19 PM   #1
Island.Guy
 
Join Date: Apr 2015
Location: Victoria, B.C
Age: 34
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SR20 in need of serious help....

Hey guys!
New to your group, and decided to join since I recently bought a Silvia and have barely any experience with SR's but have some basic knowledge with motors. About a week after I bought my Silvia, it started to leak a fair amount at boost. Mostly from one side. I thought maybe it was VAlve cover gasket but no dice. The car still ran great! Hauled like it did when I first got it! But when Idling smoked white pretty heavily. I am in the middle of completely ripping the motor down to the bare bones. I'm hoping it's just a headgasket? Comp test read 3 at 130psi and 1 at 60psi. I really hope it's not piston rings. I'll get to the gasket this long weekend to take a look. Any thoughts would be great and much appreciated!!! Secondly, if piston rings, I'll upgrade to forged parts. Which brands? What else should i do if I'm going to get into rebuilding the motor and what can I possibly skip? I don't want to cheap out but I am no where near mr.money bags! Thanks in advance guys!!
Motor specs
Red top SR.
740cc injectors
Stock internals
Gt2860rs with modded 86mm comp wheel
Arp studs
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Old 04-02-2015, 08:00 AM   #2
Island.Guy
 
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Bump! Bump!
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Old 04-02-2015, 08:54 AM   #3
yitzac1990
 
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Location: North Alabama
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Depends what your budget is, really. I just spent over $4k fully building mine. that included:

forged pistons
darton sleeves
rods
all bearings
all studs
all machine work
valves
springs
retainers
Tomei solid head setup with Tomei 270 cams
probably some other stuff that im forgetting
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Old 04-02-2015, 11:15 AM   #4
Island.Guy
 
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Sweet Jesus, 4 K hey... Wow I hope it doesn't cost me that much I was hoping like 2500 max 3000. Did you do any of the work yourself ? Besides the machining part obviously.
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