dzlfarmboy

I believe Phatty did the same thing and picked up somewhere around 50hp on the Dynojet

Brett

HOHN

I bet everyone is happy to see a turbo thread that I didn't chime in on.

Oops.

Dinner

lol Hohn

Does anyone know where the HTT 64/71's are for cheaper, or is directly from HTT the only way to go? I'm leaning towards either a 64/65/14 or a 64/71/14. The 64/65 I can purchase from Vulcan for about $1680 or whatever is it. But if about 50HP is reachable with just putting on a 64/71...then maybe that is my better option?

Would the 71 be that much better over the 65, in regards to my mods?

Thanks guys! Trying to learn as much as I can about the two before I purchase one

Ph4tty

For the record I was the one who went from a 64/65 to a 62/71 and made the big jump on Brett's dyno. He seems like a good guy, maybe give him a call about some prices. The best deals I've seen are a 64/71 for 15 from Tim's Turbo and 62/14 for 12 from PDW. Just contact a few dealers and see what they can work out for you. I buy from TRE diesel and recommend them too =P

With a built auto (I'm assuming its tight) and a 3.54 you're want to have something with a quick initial spoolup. A super b (little one), a plain jane 62, or a stage 2-3 garrett would be top of my list.

HOHN

Your results don't surprise me, really. The turbine needs to be larger than the compressor to keep the TIP from getting out of hand at the high pressures we need to run to get mass flow.

If you want REALLY fast spoolup, you could go as small as a GT30 Garrett. It's essentially a stock replacement turbo as far as power and EGT control go. It just happens to spool way faster than even the stocker-- like scary fast spoolup with essentially no lag. For a small towing twins setup, it will kill on top. It's too small to be a good single for higher power levels.

If you have a REALLY tight converter, the GT35 Garrett will spool even earlier than the stg2 or stg 3 units while still allowing more power than a stock CTD turbo. There are small housings available that will light the turbo nice and early.

*ANY* performance turbo will have more lag than a stock turbo because it's designed for high flow and high boost pressures, not the fast response and lower pressures a stock charger runs.

The only way to have both less lag and more flow is to go to twin turbos, a different bearing technology (BB), or both.

JMO (see sig)

Dinner

Well I'm not really looking for quicker spool up than the HX35. I know most performance turbos wont spool that quickly. I'm probably going to go with the 65 housing right now instead of the 71. However I'm still unsure about whether I should get a 62/64 or a 12/14 exhaust. Since I am running larger injectors, will upgrade chips, I'm assuming I will need the 14 exhaust. But as far as the 62 or 64 goes...will those numbers just give me quicker spool up (the 62 vs the 64) or would the 64 be a better option? I'll shop around some more and see if I can find the xx/71/14 for a cheaper price.

Thanks again guys!

Mike Holmen

what size sticks you gonna run? I would suggest a garrett 3788R stage 3 over than size. Very good spool and very good top end. Same money, if you look around. If you want something cheaper go with a HX-40, just watch on how you set-up the turbo. Tons of different variations, mix and match.

Diesel- Dummy

I have run the s300 turbos your thinking about the 62 65 14cm is a good all around turbo very driveable good power still tows well the 62 65 12cm spool up fast not as much top end pull . The 62 71 14cm has a tuch slower spool up to 10lbs then it jumps up fast also it pulls harder up top . the 64 65 14 cm was a turd very laggy did not like it and did not try one with a 71 back wheel . The one I run now is a 62 65 ss13 spools like the 12cm but pulls like the 14cm very very nice to drive . Good luck on your turbo pic

JFlory

I would say from my own trials that the 64-14-71 is to big for you. I had Mach 4's and a J/A, 64-13ss-71 on my '01 5 speed. Laggy as heck, couldn't tow more than 8,000lbs, without seeing 1400* on the smallest of hills. Even without a load EGTs would climb to 1300* if I stepped into it on a hill.

I would go with the 62-14-71. 64's are just not that fun to daily drive. Just be prepared to hear the thing snuff when that stock TC locks up.

Dinner

Thanks for the real world advice guys!

I will be dunning DDP Stage 3 Injectors...they say they are rated for 110HP.

Being as right now I do not have my tranny built up, I will just be using the truck as a regular easy going daily driver. Once I get a torque converter (possibly Goerends triple). Then I will be able to haul around and have some fun!



EDIT: I registered on "Pure Diesel Power" and got looking at their turbo's. Noticed that they have a HT71 Super Stock for about $1800. I'm going to look around some more on their sit and see what else they have, but I think I may purchase one from them.

Will a 62 get way too hot with 110 injectors, XZT+ and then other fueling mods like an adrenaline or something along those lines? Or would I be better off to get the "Quick Diesel" HTT?

Thanks!

HOHN

IT's all but impossible to predict EGT performance to a high level of accuracy.

EGT is more than just injector size, turbo, and box. It's the combination of all this, plus your local weather, engine RPM, engine LOAD, and such.

I wouldn't run anything larger than 62mm-class turbo with an auto trans.

JMO

vrj

Dinner,

Give us an update on your new setup with your HTT 62/71/14 Turbo with DDP 110 injectors. How do you like it? Are your EGT's reasonable? Have you tried towing with it?

After reading the various posts, I thought you would have gone with the 62/65/13.

Thx

Dinner

vrj,

Back when the 99 was on the road, I remember EGT's being very easy to control with the set up I was running. Though not much, with the DDP 3's, XZT+, 62/71/14 and the normal BHAF Intake, 5" Straight Exhaust I don't recall ever breaking over 1100. The truck was my daily driver, in which I had no issues with running city or highway. Sure there was a bit of lag, but once the fuel started and boost came up to around 8-10psi, that is when the truck would come alive.

I never towed with the truck, never got the chance so I can't say how it would do it that department. That turbo can def handle more fuel though; it is wastegated at 45 and the highest I could hit was around 32 I believe.

The 62/71/14 will be going on my 01 either this weekend, or sometime soon. Eventually I'll probably run DDP Stage 4's, TST or Adrenaline stacked on my Smarty, list goes on.

Mike Holmen

Dinner, what kinda of boost you pulling with the sticks? I run a garrett 3782R, towing I just breaking into low 12-13's on long hills. I spray and my boost is around 45psi. Have you dynoed the truck yet? How much smoke you have? I almost have none.

Dinner

Mike;

I don't drive the truck anymore as I took the tranny out of it and purchased another truck,lol. Boost would usually peak around 35, but even out around 30 on hard pulls. Mind you that was XZT+, DDP3's and stock tranny (Goerend Valve Body). Driving around on highway where I had boost, then hauled on it there wasn't much smoke at all. If I was driving around 80-90 then went to pass, I would put out quite a bit of smoke until my boost came up. I never dynoed the truck, so can't say what I was at in HP.