How much will the SR20 block support? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

KrazyZenki · 07-24-2006, 12:45 PM

I have a redtop SR20DET and am getting a new setup. I want to know if the stock block will support it. Heres the setup

Custom top mount manifold built by ST Performance(equal to full race quality)
GT3071R T3 .63 A/R Vband with 2 3/4 velocity stack
Tial 44mm WG Vband
Custom Vband downpipe with 3inch electric cutout
AEM EMS
GM 3 bar map sensor
HKS SSQV
new silicon couplers all tbolt clamped
GReddy intake manifold
GReddy cams 264 duration/11.5mm lift(intake) 272 duration/11.5 lift(exhaust)
Gredddy valvesprings
GReddy RAS
Cometic HG
ARP head studs
SARD 850cc injectors
stock bottom end
all piping, intake manifold and valvecover powdercoated

already installed:

GReddy VSPL FMIC
GReddy coldpipe
Walbro 255
ACT 6 puck rated @ 515 ft-lbs
Toda chromoly flywheel
Cusco RS 1.5 LSD
Koyo radiator
Permacool 14inck electric fan
Nismo 160 degree thermostat
300ZX calipers powdercoated red
280mm mountain cross slotted and drilled rotors
HAWK HPS brake pads
Stainless steel and teflon coated brake lines

My car will mostly see low boost which will be 14psi and my high boost will be 19-20psi but my car will rarely ever see. So do you think the stock bottem end will handle it?

Slidin240Wayz · 07-24-2006, 01:22 PM

Alot of the items you posted were unecessary- suspension, brakes...

Anyhoot. Injectors, MAFS, Fuel Pump, ecu tune- all set. People have put out relatively high numbers on stock bottom ends. You'll be fine.

Carlos

ranger2339 · 07-24-2006, 03:04 PM

Why not get some forged internals, you seem to not be on a tight budget, id say do it right the first time....

Ya and coilovers,brakes would help out...

Dam i should post my 20k build up...2.2l stroker kit all the way to a widebody kit...

Josh

KrazyZenki · 07-24-2006, 11:40 PM

Forged internals are coming...Im building a block on the side and then Ill swap them out. For the block Im thinking CP pistons, Crower rods, Clevite bearings and ARP hardware. But I wont be running alot of boost until I get the built block in there. Daily boost will be 12psi and high boost with be 15-16psi. Once the block is in Ill turn it up to 19psi on pump and 22-24psi on c16.

harlockssx · 07-25-2006, 06:21 AM

If your tune is good, don't fear the boost, especially with a decent headgasket! I have been running ~21 psi everyday for the last few years with ZERO problems on stock internals & just stepped it up to a GT3567R from Full-Race!

07-24-2006, 12:45 PM	#1
KrazyZenki Zilvia Member Join Date: Aug 2005 Location: Las Vegas/Georgia Posts: 163 Trader Rating: (1) Feedback Score: 1 reviews	How much will the SR20 block support? I have a redtop SR20DET and am getting a new setup. I want to know if the stock block will support it. Heres the setup Custom top mount manifold built by ST Performance(equal to full race quality) GT3071R T3 .63 A/R Vband with 2 3/4 velocity stack Tial 44mm WG Vband Custom Vband downpipe with 3inch electric cutout AEM EMS GM 3 bar map sensor HKS SSQV new silicon couplers all tbolt clamped GReddy intake manifold GReddy cams 264 duration/11.5mm lift(intake) 272 duration/11.5 lift(exhaust) Gredddy valvesprings GReddy RAS Cometic HG ARP head studs SARD 850cc injectors stock bottom end all piping, intake manifold and valvecover powdercoated already installed: GReddy VSPL FMIC GReddy coldpipe Walbro 255 ACT 6 puck rated @ 515 ft-lbs Toda chromoly flywheel Cusco RS 1.5 LSD Koyo radiator Permacool 14inck electric fan Nismo 160 degree thermostat 300ZX calipers powdercoated red 280mm mountain cross slotted and drilled rotors HAWK HPS brake pads Stainless steel and teflon coated brake lines My car will mostly see low boost which will be 14psi and my high boost will be 19-20psi but my car will rarely ever see. So do you think the stock bottem end will handle it?

07-24-2006, 01:22 PM	#2
Slidin240Wayz Post Whore! Join Date: Jan 2005 Location: Everywhere Age: 36 Posts: 5,427 Trader Rating: (9) Feedback Score: 9 reviews	Alot of the items you posted were unecessary- suspension, brakes... Anyhoot. Injectors, MAFS, Fuel Pump, ecu tune- all set. People have put out relatively high numbers on stock bottom ends. You'll be fine. Carlos __________________ Support Zilvia by purchasing a sticker!

07-25-2006, 06:21 AM	#5
harlockssx Zilvia Junkie Join Date: Nov 2005 Location: APO AP 96367 Age: 49 Posts: 457 Trader Rating: (19) Feedback Score: 19 reviews	If your tune is good, don't fear the boost, especially with a decent headgasket! I have been running ~21 psi everyday for the last few years with ZERO problems on stock internals & just stepped it up to a GT3567R from Full-Race! __________________ Old School

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

07-24-2006, 03:04 PM	#3
ranger2339 Zilvia Junkie Join Date: May 2006 Location: MINNESOTA Age: 40 Posts: 520 Trader Rating: (1) Feedback Score: 1 reviews	Why not get some forged internals, you seem to not be on a tight budget, id say do it right the first time.... Ya and coilovers,brakes would help out... Dam i should post my 20k build up...2.2l stroker kit all the way to a widebody kit... Josh

07-24-2006, 11:40 PM	#4
KrazyZenki Zilvia Member Join Date: Aug 2005 Location: Las Vegas/Georgia Posts: 163 Trader Rating: (1) Feedback Score: 1 reviews	Forged internals are coming...Im building a block on the side and then Ill swap them out. For the block Im thinking CP pistons, Crower rods, Clevite bearings and ARP hardware. But I wont be running alot of boost until I get the built block in there. Daily boost will be 12psi and high boost with be 15-16psi. Once the block is in Ill turn it up to 19psi on pump and 22-24psi on c16.