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s5 na on s4 na electronics??

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Old 09-26-11, 01:26 PM
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s5 na on s4 na electronics??

im planning on getting my s4 88 goin again. ive been trying to find a s4 , but I found a s5 block, can I run a s5 engine with a full s4 eletronics??

I understand things like omp will go premix.. and can I use s4 manifolds on a s5??
Old 09-27-11, 12:14 AM
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Yes, correct, and not sure about the manifolds but you can use the s5 intake manifold with a s4 TB if you're worried about the TPS.
Old 09-27-11, 12:43 AM
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word up thanks for the responce!!
Old 09-27-11, 12:53 AM
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Yes you can, I had s5 block with s4 electronics on my 88 se. But I was turbo. Just remember you need s5 flywheel.
Old 09-27-11, 03:09 AM
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You can swap the front cover to S4 instead of running premix..

If you use the S5 manifolds, and want the OMP you'll need to re-bend the OMP rod. And decide on a way of activating the 5th/6th ports and VDI [3600 and 5500 RPM respectively] there's a writeup on here for using RPM switches and a couple solenoids from the rats' nest.

http://homepage.mac.com/carldavis/intake.html
Old 09-27-11, 09:17 AM
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even if you changed the front cover to s4 it would still be better for the engine in general to premix. its better for the apex seals
Old 09-27-11, 04:23 PM
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It's a little bit better, but I don't imagine hugely better for a street driven car.. Otherwise the engine wouldn't last as long as it does from the factory.

But it is a huge amount more work - and you can't let anyone borrow your car and fill it up [Unless they know what they're doing with a bottle of 2-stroke..]
Old 09-27-11, 05:20 PM
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http://www.rotaryresurrection.com/2n...o_s4_swap.html
Old 09-27-11, 07:27 PM
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im getting s5 turbo 2 parts car so im goin to use

s5 na block , with s5 turbo tranny , flywheel, clutch,.drive shaft and diff, the whole.9 yards
Old 09-28-11, 08:06 AM
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Originally Posted by Derekcat
It's a little bit better, but I don't imagine hugely better for a street driven car.. Otherwise the engine wouldn't last as long as it does from the factory.

But it is a huge amount more work - and you can't let anyone borrow your car and fill it up [Unless they know what they're doing with a bottle of 2-stroke..]

true, true
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