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Guys, I'll consider farming it out as soon as I can get in touch with the local shop. One of the guys that works there is a good friend of mine - that's why I used them. This flange just isn't a simple plate like most. In order to drop from TV size to T4 you need an 8 cm2 cast reducer and two...

Update: I think I got ripped off by the shop that is supposed to do our new flanges. I paid ahead of time for them and I can't get a response to my email, calls, or anything else. I don't have time right now to go in there and talk to them about it. I'll have to fabricate and machine them...

That sounds cool. I'm still working avidly on finishing the new flange for the kit (that's what has taken so long), and then I can start sending them out. After a discussion I had with the other guys last night, I'm going to let you guys tell me wha tyou want in the kit, so it can be more...

Maybe the veggie oil is holding some extra oxygen and helping to cool the charge? I don't know. That's an interesting one in itself. I'm still re-working the flange design to find a better volume and fit the proper sizes still, or close to them. I won't be logging anything until I get it figured...

Yeah to make it a three-poster in a row.. I've thought about it for a few minutes... sounds WAY off. Let me look at the math... well, 487 CI, 2600 rpm, 58°f AIT, 14lbs boost... should be a Temp out TC of 257° f

I've got a thought - your intake probe is way off. Maybe it's too broad using an EGT for the intake temps? Not calibrated to read that low? 145 seems a bit cold.

1100 should be enough to make your turbo and manifold glow... Shouldn't be over 900 in a "good" running condition. Most especially if you've got the EGT after the turbo, which would be about 1200 to 1300° f on a pre-turbo temp. (HOLY COW, that's got to be the reason everyone is melting the...

Also - if you're going to a Holset, you'll need the TV to T4 flange. That's where the tricky stuff comes in. Too small and you'll have HUGE egt's and surging the wastegate all of the time, and too big... You'll end up with an expensive stock motor.

I was off on the flange size. This is a "TV" flange. Sorry for the mis-information. Crane, I'm going to need that in a little while once I get to tuning with the pc and using some logging. Thanks!

I greatly appreciate the offer, however, a lot of design and work has gone into the "kit" and I'm keeping the fab in-house. Hope you understand. As far as the wastegate, here are some photos (we don't need the adaptor to hold a wastegate since the holset we're using has an internal one)

I'd have to look it up, but I was pretty sure it was a divided t4 flange. I'll be back in a little bit and let you know.

Those cat turbos are poorly mapped. Watch out. There's a lot of lag in them because they were designed to be operated at WOT most of the time. I know that is a shitty thing to say about them, but I just want to be honest DJ. The adaptor flange is the hardest part of the build. Not only does it...

Or a Cat 3208 with a turbo... Talk to trango. He's done a real nice job on his conversion.

From what I know the head gaskets are funny, and it is really easy to crank the egt up high enough to make a meltdown of almost anything post-intake. Also the crank journal I understand is not too well designed. As far as the "bashing" goes on the quality of the motor, I'm saying 30-50K out...

Ok - update... I'm late getting back to this thread. The Flange I had fabbed up didn't fit the turbo and manifold well. I'm going another route with a new idea, and will get you pictures this weekend since randylbarnes was kind enough to give us a donor manifold for the testing phase...

That's why I'm CAREFULLY building this. True you'll only see 30K-50K out of a military motor, but that is mostly related to poor care and operation during its service. I know for a fact when I drove them, we used to blast the living shi+ out of them just hoping for them to break so we could sit...

Dangit - I forgot to answer a lot of the other questions I have been getting... "Hey doc, why Holset, and not Garrett or AR?" Easy - Holset has a nice flange on it that works, is properly designed with regard to the vanes for the job, and is the BEST fit for this application. It makes big boost...

Oh - and your stock -1d should be boosting about 10psi peak, then it starts to surge back to 4-6 psi on top. This Holset is going to hold about 12-14 all the way up, and if you have some mega-built drag racing engine, you can run the full 42 psi with a 12x14x4 FMIC (Front Mount InterCooler for...

I don't see any disadvantages with that level. That's totally realistic. The only problem is if you'll miss using full throttle to climb small hills on the interstate, lol! I've got a Holset right now, that my buddy and I will be bolting up this weekend... will post results. Obviously, there is...

Nothing too crazy. I'm looking to improve mileage and keep it reliable.