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The beast is dead! :-( Unfortunately, I got frustrated with head gaskets and customization and sold off the parts for the latest EFI/turbo iteration. I'm going back to a reliable old V8 setup :) 318 to 390 stroker w/ bolt on EFI, shooting for 400+ engine HP and turn key daily driving.

The biggest thing I would change is spending the money to have an MLS head gasket cut. I hear Cometic is accommodating this now but I haven't followed up. I'd also go with a big turbo, the /6 heads don't flow well so the more flow the turbo has the better (plus bigger turbos = lower boost for...

Hi Dave, I'm using a Wiseco piston and K1/Molnar rods. Compression was calculated at 8.3. I've run 20 psi for a few runs. Very similar to this setup but with a -22 CC dish. Slant six pistons Wiseco Slant 6 Pistons Forged 225 Slant Six Piston

Didn't I see this on eBay this weekend?

Now willing to pay what it takes, let me know. I need some headers ASAP to get my project back on the road - thanks! :-D

Thanks, the shorties are the ones I need, for the car, not truck. I'm using a power to manual steering adapter with a manual steering box, and no ac.

That link looks perfect. Most of the used /6 sticks I've found, people are charging just as much. Thanks for all the tips, everyone. This should work!

Hi All, I'm in search of slant six headers for an early a body. Looking for some short tube if any exist or maybe somebody has one-off a set. I plan to use them with an Offy/Clifford intake manifold. Looking to pay less than $350. Thanks!

A stock engine won't have any issue spinning up any of these turbos. They are okay picks but I would recommend a T3/T4 50 trim or 60-1. These will run much lower pressure and make more power. As for the gears, I'd go with a much higher gear for any of these turbos, nothing over 3.55 unless...

Hi All, I have a '66 Dart with a '71 slant 225 installed. Ages ago I broke my dipstick and I finally want to replace it but have no idea where to source one. Does anyone know what will work? I've looked on eBay and there are very specific year/body auctions but nothing that seems to match my...

Same on my /6 It's seen over 20+psi of boost and numerous blown head gaskets and the bottom end is trouble free

I wouldn't say it's smarts more so the ability to constantly :BangHead: year after year and enjoy the small wins, lol

Quick update on this ancient thread: it's been the better part of year and I finally bolted up the head gasket / fire ring solution to mixed results. The combustion chambers are sealed up and by my estimation bulletproof, I'd wager they could handle 40-50 PSI. However, the tolerances were a bit...

The car is built with modern sensors (crank position, knock, iat, etc.) and using an ems so detonation won't be a an issue because we have full visibility and control over fuel and timing. It's going to be mostly a street car so full alchohol isn't desirable due to the things we've mentioned...

Thanks, Bill. The flex fuel sensor and AEM EMS will handle adjustments for alcohol % on the fly. I'm a bit worried about the long term effects on the gas tank but I got a fuel pump and injectors rated for e85, and redid all the lines. It should be pretty reliable, until it's not, lol...

Hey All, I know this thread is getting anchient but I have a preview of the final product, well at least the engine/turbo setup :-D these things take time, lol The latest setup is wild, multi-point fuel injection, coil-on-cylinder ignition, e85 ready, full blow beast!

Another few months have passed and finally some significant progress. We finally got the head gasket solution figured out. This setup is just copying the Cummins guys and using steel fire rings with a Victor-Reinz head gasket. Hopefully it all crushes together right and we can easily hold tons...

That dyno video is terrifying, glad it's was the drive shaft and exhaust that took the brunt. That thing sounds sweet on the dyno.

Yes, lol. It's been a while. We had our first baby last August and between that and work the internet has been for mandatory use only - haha! The car has been at the shop so long my wife swears I sold it or it's been stolen. The only picture update I have is the less exciting shiny new engine...

Here is what is in my 225: Molnar H-Beam Rods Wiseco Pistons, .060 over, .040 below deck 8:5:1 static compression Oversized valves 1.7/1.44 Mild pocket port and valve job ARP Head Studs COMP 252S Cam A stock head gasket will not get the job done for serious power (300whp+) without an...

Awesome build, nice work!

Okay, it's been a while but finally made some real progress on the new EFI setup. Out with the carb and in with the whp... The new setup in going to use a modified version of my existing manifold but change it from a twin scroll t3 to t4. Going with AEM EMS, coil on ignition setup, custom...

You will be okay with a walbro 255 and a 1:1 fpr, mallory 4309 is great, anything like it will work 5/8 hard line with a return will be good for tons of hp, like 700 with this pump. That's about it for a really good setup.

16.5 psi on the gt32 for 330 rwhp. I'm going to try and make similar power with half the pressure by stepping up to a larger turbo with a big exhaust housing.

bump. it's upgrade time for this '66. I'm going to be selling off the 2bbl 500cfm holley, gt32 turbo and carb bonnet. let me know if you're interested in the package. it's good for 330 whp and 440 ft lb of torque. the carb is very happy with this turbo i've been a hermit for a while...

The 32R I am using has an internal waste gate. I am going to bore out the diameter as big as I can, maybe even slightly larger than the flapper. Depending on how that does, I may bore a hole in the twin scroll housing so both sides are fully vented earlier in the circuit. We'll see how it does...

Dennis does great work. Since I've gotten my /6 running I've over boosted my engine to 20+ PSI which should have put north of 500+ ft lbs of torque down to the wheels. The head gasket popped but the bottom end didn't even care. Spins like a top still.

Wow, it's been two months. Finally got the new head gasket installed. Still need to re-install a few things and run some coolant lines to the intake manifold. Then, I have to figure out what to do about keeping the boost pressure down...

Anthony at what psi of boost did it spit the gasket? Did you install arp head studs? Becareful on making a bunch of changes I could of had my bucket of bolts done atleast a year ago but i keep making changes with trying to build one of the fastest turbocharged, slant powered factory vehicle...

I have to agree here. The /6 head just doesn't flow nearly enough and needs tons of lift to get close to a modern head. They won't spin nearly as fast either. Hopefully they are as bullet proof as we hope :-) I'd hate to see my bottom end in the scrapper.