talonDSMerr's 2.3L stroker build

[talonDSMerr]

The idea of this build is a very quick spooling turbo with a big emphasis on low-end torque, with a suspension setup that picks up some of the slack left by the understeering stock setup. I plan to take this to autocross events and the drag strip maybe once every two weeks but its duties will be mainly as a summer daily driver. To keep this car fun on the streets, low-end torque and decent cornering ability are musts, so a 2.3L stroker fit the bill perfectly, with Koni shocks and Ground Control Coilovers at the corners. Reliability is also something I'm looking for so I chose OE pumps, pulleys, belts and gaskets.

What I'm most excited about is the cumulation of all the parts, specifically the 100mm crankshaft for increased displacement, the Cyclone intake manifold, and the divided manifold with the stock divided holset housing.


I only get to work on this during the weekends, but here is a shot of the cylinder block and head after I picked them up from the machine shop.

I was able to put together the bottom of the shortblock, with the 100mm forged Eagle crank, Kiggly main girdle, and ARP main studs. With the mains torqued to spec, I get around 0.0018"-0.0024" oil clearance.

The rotating assembly consists of the Eagle crank, Manley H-beam rods, and Mahle 4032 stroker pistons.

The block was bored and honed for a piston-to-wall clearance of 0.0028"-0.0031". A little bit looser than Mahle's spec for these pistons, but with my goals, I figured an extra .0004"-.0007" would be okay.

Here is a shot of the turbo setup that will be behind this motor:

 

[92AWDHX40]

what turbo is that.

 

[talonDSMerr]

7 blade hx35.

 

[little-razcal]

Wow. Thats a baddass manifold. Looking good. What are you doing to the head?

 

[92AWDHX40]

Looks like a holset wasnt sure. Looks goodl, im down to a bare block trying to figure out what i want to do since im doing a rebuild.

 

[ALLOUT CL55]

sick build! can't wait to see the numbers!

 

[talonDSMerr]

Wow. Thats a baddass manifold. Looking good. What are you doing to the head?

Thanks

It's a Punishment manifold, using 1 1/4" schedule 40 pipe. Runner ID's are smaller than the usual T3 manifold, so that should keep spool and low-end peppy.

The head has the exhaust ports matched to the manifold, and I left the intake side untouched. I feel the ports are big enough as is. Valves are standard size, with a multi-angle valve job. GSC beehive springs, titatium retainers, Evo IX lifters, GSC S2 cams, and Fidanza cam gears round out the rest of the head! I'll try to snatch some more pictures, but still waiting on the lifters to install the cams.

 

[talonDSMerr]

Looks like a holset wasnt sure. Looks goodl, im down to a bare block trying to figure out what i want to do since im doing a rebuild.

Thanks, I just don't think you can beat the combination of spool and top-end the holset has to offer. Take your time figuring out what to do with your build though, I thought out my plan of attack over 2 years so this build is a little overdue for me.

Decided on staying 2.0L or stroker yet?

 

[talonDSMerr]

sick build! can't wait to see the numbers!

Thanks! I'll be getting it to a dyno eventually and keep this updated. I don't think I've seen stroker + cyclone + divided turbo done before!

 

[ceedawg]

I have to say IMPRESSIVE BUILD! Great job.My setup is kinda similar to yours,TS manifold,dual wastegates,TS BW turbo(size is similar to GT40R turbo),Cyclone manifold ported and polished,2.0L motor,going to get the same SB clutch setup. Few questions,How does the car feel overall power wise with the intake and exh mani setup(bottom end and topend),and did you dyno it like you posted in two stages butterflies open and closed?

With this huge turbo I have I decided to go pretty much with the same manifold setups you have to help make up for lowend loss even though I do still have a built 2.0L bottom end.