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SR20 Red Top swap

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Old Jan 1, 2009 | 11:04 AM
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Default SR20 Red Top swap

Hey guys in a few weeks I'll be planning on doing a sr20 swap from a local shop. Now is anyone running this setup? and if so did you guys run into any problems besides the whole custom mounting thing. Plus any pictures? as well as if it changed the weight distribution? I searched and all I got was speculations not facts or answers. Thanks
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Old Jan 1, 2009 | 11:10 AM
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is it really worth it to lose 1.5 liters of displacement?
Why not just build the VQ.......its a pretty solid platform.

Your going to have to do alot of custom work.......you cant just go at you need to plan ahead.
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Old Jan 1, 2009 | 11:16 AM
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leave the sr20 for a smaller, lighter car
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Old Jan 1, 2009 | 11:18 AM
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not to boost if you really think about it, anything over 400hp and your walking on a thin line with your reliability of the internals... and plus the sr is lighter, more open to the japanese market and it is a legendary engine..I talked with a shop and said the sr will be running with 500+hp with little modification. In the long run with building the vq to that level with internals and twin turbos it'll leave a bigger hole in my wallet than just swapping for the BETTER engine anyway. Actually this swap has been done by various race teams with greater results. The vq just doesnt hold up with reliability to Boost....
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Old Jan 1, 2009 | 11:19 AM
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and again i was hoping for experience with the engine not opinions about it....
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Old Jan 1, 2009 | 11:24 AM
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I see what your doing there
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Old Jan 1, 2009 | 11:24 AM
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Originally Posted by my350isblack
leave the sr20 for a smaller, lighter car
+1312354312

I had a redtop SR in my 93 hb. You'd be putting a hell of a lot of strain on the motor by swapping it into something that is an easy 500lbs heavier. Any info on the SR your swapping in? What plans do you have ot buid it. The heads are like glass so if you do go through with it I'd suggest building the head and adding a GT2860.

Ohhh and think of it this way; SR swap plus building it = lots of $$$$ only to make maybe 350whp. On the other hand you can bolt on a TN or APS st kit and get a reliable 360whp for much much less.
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Old Jan 1, 2009 | 11:26 AM
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Originally Posted by zix07
and again i was hoping for experience with the engine not opinions about it....
Experience. It was awesome in my 2700lb 240 but I think it's too small for the girth of the Z. It did have the best throttle response I've ever felt in a car though.
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Old Jan 1, 2009 | 11:55 AM
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Im planning on a 400-500 hp goal so I'm not asking for much....plus i intend on lightening the car..... and a shop is giving me the SR20 for $2000 and the labor is $2000 so a $4000 total isnt to bad in my books with 1200 dollars in mods to get where i want.....so im sorry buying a twin turbo kit for $7000+ and install for another $1200 is completely pointless. Along with the fact that again the SR is lighter...
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Old Jan 1, 2009 | 12:06 PM
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wait and see your final bill..........or lets see how long the shop takes to do the swap once they start to see theyre going to lose their *** on that labor rate.
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Old Jan 1, 2009 | 12:08 PM
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Originally Posted by Chris @ Migliore
wait and see your final bill..........or lets see how long the shop takes to do the swap once they start to see theyre going to lose their *** on that labor rate.

LMAO Very true my friend said it could also be that i might be in their booth at HIN........
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Old Jan 1, 2009 | 12:27 PM
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Originally Posted by zix07
Im planning on a 400-500 hp goal so I'm not asking for much....plus i intend on lightening the car..... and a shop is giving me the SR20 for $2000 and the labor is $2000 so a $4000 total isnt to bad in my books with 1200 dollars in mods to get where i want.....so im sorry buying a twin turbo kit for $7000+ and install for another $1200 is completely pointless. Along with the fact that again the SR is lighter...
I'm sorry but you're fawking high if you think you can pump out 400-500 hp with just $1200.00. Trust me my JIC TI exhaust was $900.00 alone. A decent turbo that'll get you 400-500hp is around $1200.00 aka the GT35R. List out all the parts you'll need. Here's a start. I/E, dp, injectors, MAF, some sort of EMS, FMIC with piping, fuel pump, oil cooler, head gasket, valves, valve springs and retainers, cams and the all important turbo. That'll keep you safe for around 400hp if you want more you'll need ot reinforce the bottom end with rod's pistons, rings, etc. That alone takes care of the Engine.

What about suspension, clutch, electronics like boost controllers and turbo timers? So you got a pretty heft build ahead and might want to price everything out on paper before you let them tear apart your Z.

PS: no one said to get a TT kit. A ST setup should be plenty to start out with. you can find a used kit for around $3200.00

Last edited by ni$mo350; Jan 1, 2009 at 04:31 PM.
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Old Jan 1, 2009 | 12:38 PM
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Um a ST from a reputable company is $5000+ maybe $4500+..... and my suspension is done..... and another thing is when did I ever say once I get my almighty SR ill be finished? Again I guess all those drifters and racers who did it are just fools.....Um and oh yea I have the jic single titanium exhaust too..... I love that thing lmao
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Old Jan 1, 2009 | 12:39 PM
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And why would I want a used Turbo kit......
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Old Jan 1, 2009 | 12:41 PM
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So I take it no one has done this here? Oh well at least it will be cool to be DIFFERENT....
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Old Jan 1, 2009 | 12:54 PM
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Originally Posted by zix07
And why would I want a used Turbo kit......
You're the one asking for experience. I've had plenty and know SR's front to back. I was giving my $.02 you should take it with a grain of salt. Why wouldn't you want a used turbo kit? you're buying a used red top....

Also:
Originally Posted by zix07
Im planning on a 400-500 hp goal so I'm not asking for much....plus i intend on lightening the car..... and a shop is giving me the SR20 for $2000 and the labor is $2000 so a $4000 total isnt to bad in my books with 1200 dollars in mods to get where i want.....so im sorry buying a twin turbo kit for $7000+ and install for another $1200 is completely pointless. Along with the fact that again the SR is lighter...

You contradicted yourself because that's more than you think. You can't just bolt on a big turbo and expect 400-500hp. I already read your sig and know what you have but did you ever stop to think that your current JIC setup wont' mate to the SR? If you want to trade knowledge with somebody, you might want to pick someone who doesn't know what they're talking about. If you have more logical questions about the SR feel free to PM me but until then I leave you with the info I've already given you. Good luck on your build and expectations but I don't want you to out build your wallet.

BTW the other companies that you mentioned swapped the SR into 240's because either A) it was when they first came out and there weren't any products on the market for the VQ motor or B) For bragging rights. That's why you see people sticking VQ's in 240's now because they realized that a VQ provides excellent power from a close to stock form.

Last edited by ni$mo350; Jan 1, 2009 at 01:07 PM.
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Old Jan 1, 2009 | 01:20 PM
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why dont you just do a rb26 swap itll probably be the better choice anyways
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Old Jan 1, 2009 | 01:42 PM
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Originally Posted by nismonian
why dont you just do a rb26 swap itll probably be the better choice anyways
I will have to do MAJOR work to the bay for an rb....The Sr will fit alot easier
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Old Jan 1, 2009 | 01:56 PM
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Originally Posted by zix07
Im planning on a 400-500 hp goal so I'm not asking for much....plus i intend on lightening the car..... and a shop is giving me the SR20 for $2000 and the labor is $2000 so a $4000 total isnt to bad in my books with 1200 dollars in mods to get where i want.....so im sorry buying a twin turbo kit for $7000+ and install for another $1200 is completely pointless. Along with the fact that again the SR is lighter...
FACT: Most SR20's cannot handle 500whp bone stock. The ones that did were back in the day and considered relatively healthy/unused. Most SR20DET's pop around 400-450whp... **** I've seen SR's pop at around 350whp. The VQ has much more overall potential than the SR. If you really do want to swap engines... i'd recommend moving onto a HR.
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Old Jan 1, 2009 | 01:58 PM
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Originally Posted by ni$mo350
Experience. It was awesome in my 2700lb 240 but I think it's too small for the girth of the Z. It did have the best throttle response I've ever felt in a car though.
a built KA-T is even more responsive. way more torque than the sr
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