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I recently bought my first Porsche, it's a 1995 993 C4. I am planning on doing a twin turbo build. I'd like to make 600-700whp. Does anyone know of any build threads or what I am looking at replacing in order to build the engine. I figure aftermarket rods and pistons will be a must, aftermarket valvetrain etc. Are there any other modifications as far as reinforcing the block etc? Any help is greatly appreciated.
Thanks in advance!
Here is a picture of its current stage with test fitting my suspension and wheels.
By the looks of it, parts aren't cheap. Lol it would be cheap to throw an LS twin turbo in it and make an easy 800whp.. But it just wouldn't feel right.
If your aim was 400hp, I'd say go for it but for 600-700hp you'll be spending a lot of $$$$$ for just the parts.
I have a +700hp race engine in my GT2...it costs 45-50k and refresh every 30-40 hours...
Here's pricing on the parts:
The conversion based on your present engine is the best solution although it is a lot of work and needs many parts.
We have to dismantle the complete engine.We don t need a new crankshaft.We can use your original Zylinderheads but reinforced.
You can keep the varioram , better would be the turbo intakemanifold.What we do is also good for 700HP with 600HP you are on the safe side.
Following list gives you an idea what we need:
Reinforcement for 6 cylinderheads € 1490.-
1 kit headgaskets L-design € 360.-
6 inlet valves € 373.-
6 exhaust valves € 798.-
1 Kit valvesprings € 633,60
1 kit GT 1 -evo cams € 934.-
1 kit mechanical rockerarms € 1595.-
1 kit toothed weel for timing chain € 322.-
1 kit chains € 150.-
1 Kit pistons and cylinders 3,8 turbo € 3595.-
1 Kit forged rods H profile € 1695.-
1 Turbooilpump Engine € 890.-
1 Original console with oilpump for turbos € 1800.-
1 Kit mainbearings € 590.-
1 Kit rodbearings € 380.-
1 Kit special cylinderbolts for high perfomance € 1250.-
1 Kit gaskets € 750.-
2 Turbochargers with oiltanks and oilfeed and returnpipes each € 3200,. € 6400.-
div. small parts € 300.-
_________
Parts € 24305,60.-
Installation 60 Hrs each € 88.- € 5280.-
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total € 29585,60
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If you have a VAT number we dont charge 19% tax
If you want new turbocylinderheads,we can provide for € 1590.- each.The modifications as mentioned are the same.
This is the version based on your engine.When you use a turboengine, you save not more than € 5000.-
as we have to do a lot of the above mentioned work anyway.So you can safe the € 15000.-for a turboengine
If you use the turboheads there is no difference between a turboengine and yours.
02-04-2015, 06:00 PM
993 NA to Turbo Build
