griggs43

wonterin what yal thought about the super phat shaft 66 for my
03, edge aditude fass, meth, few other things
i plan on puttin injectors in but not now
what yal think

dogger

If it is a daily driver its street manners may be a little quirky such that you will have to learn to drive around the initial lag. Once you are moving it should come on like gang busters.

L8r,...............dogger

napa 600

this is the turbo these trucks should roll off the assembly line with. I love my sledpuller everyday!

JD Dearden

Ya I really like mine, I don't mind it around town because it dosen't spool at all so it is really easy to drive. Also I tow 20,000 pounds and don't have any problems with surging, now I am sure a few guys will chime in and call me a liar in a roundabout way but I guess I am the chosen one ya like the modern mesia or something. When it does spool it is quick, smooth, and hard.

RamWheelsBy4

Mine has been on over a year now. I am happy with it. You learn to drive around the lag in the city, or add a little pressure if you want. It does not spool as fast as stock, but I don't even notice any lag now that I have learned to roll into the throttle a little different. Don't tow heavy, so don't know about that but I do not have any surging issues. And the good thing is at the track goes straight to 55psi and holds the wastegate open a little for most of the 1/4 mile.

Luken

Couldn't describe it any better. On my truck the downloader works wonders getting it spooled up. The lag is good when there is a hemi tailgating you with the windows down

JCLeary

If I had an auto, I'm sure I'd be happy with my SPS66. Being that I live in a congested area and have a NV5600, I really don't like my 66 at all. The only thing that gets it spooling quick enough for me is the Smarty downloader. The EZ or Ramifier help quite a bit, but nothing like the downloader.

The only drawback to the downloader is that you smoke people out on a regular basis, especially on a hot day.

Additionally if I let the revs get to 1600 when towing (too lazy to downshift, I guess) it will most definitely surge.

I've got a SPS62 sitting right next to me that I'm about to swap in. I don't mind losing 30-40 hp on the dyno to gain some drivability.

wap

I thought that manuals made big turbos more drivable. (this is just what i have been told, no experience with a big turbo) How is an auto better with a big turbo in your opinion?

maui diesel

Would a sps66 work good with just the edge juice.

RamWheelsBy4

It will work great with Juice/Attitude and an EZ stacked. And for more real fun upgrade to HOT Juice. EZ(a little pressure) helps eliminate lag normal driving.

JCLeary

There are a few reasons that come to mind...

-Autos can be spooled at "the line" whereas it's difficult with a manual if not altogether impossible.

-When accelerating hard, I lose almost all boost between shifts, and the 66 takes long to spool. Lots of time lost there. An auto with a 66 (or any turbo, for that matter) will build boost and hold it at the wastegate until you let off.

-Driving around, the 66 doesn't light until about 11-12psi. It can be frustrating smoking people out taking off from a stop, and on each subsequent shift, especially when towing.

-Once it does build boost, sometimes it spools so fast it's hard to control. Again, especially when towing.

It sounds like I'm complaining, but it's really more that I do not use it for its intended purpose. If I lived in a rural area, I would not care. I need a faster spooling turbo for running around in an area infested with hippies driving Priuses with 1-800-EXHAUST programmed into their cell phones. The 66 class turbos make the power, but they're not for me.

When people talk about manuals being "better" with a 66 class turbo, I believe they're talking about surging. With a manual, you can choose to avoid that rpm-range in which a 66 is susceptible to surging. On my particular truck, it's from 1500-1800rpm under a heavy load. I drive around it. With an auto you sometimes do not have a choice but to be in that rpm range, so you get some surging. Some trucks I have been told will not surge at all. I guess it's the luck of the draw. My truck will not surge whatsoever when unloaded.

A turbo like the SPS62 will light at about 4-5psi, and it has less rotating mass so that adds to the turbo spooling quickly. Less smoke, and it's also supposed to not surge at all, loaded or not.

These are a few reasons for me suggesting a smaller turbo, but I'm sure there are far more experienced diesel-heads that may disagree with my assessment of the larger singles.

wap

It makes complete sense to me. I think your right about the manuals and surging or towing in general. That is what I was thinking of but I thought they would spool faster too in daily driving. I am gettin a 62 class turbo (at least to start out with) so I dont have to worry about the probs assiated with the bigger turbos. Thanks for the detailed response

griggs43

the edge jus combo on my truck and that sps66 what should i be expecting

BigDan

I don't own one but I though I might throw this out there.

Has anybody thought that the SPS66 work better on 04.5+ models?


Spool up or overall performance may be better on the 04.5+ then on the 03-04 models. I know for a fact the 04.5+ respond better to mods.

Like JCLeary said it does lag on his 03 but others say spool is almost stock on ther 04.5+


Maybe SPS62 for 03-04 and SPS66 for 04.5+

Just a thought

Igor

Well I'm not sure what turbo I'm gonna replace my stocker with when it lets go, or gets close.

I have 37" tires and 3.73s. I do plan on going to 35s, but that's not saying I won't ever put 37s back on.

The truck has an auto with a converter, vb, flex plate and pan.

I have the edje j/a and mp-8 stack.

I hate smoking ppl. out but its hard not to with the edge on level 5. Truck feels great driving on level 5, but the stock turbo is working.

I can't really afford too much more lag, but do need a bit more power and better EGTs I guess.

What kind of turbo should I be looking at? I know twins would probably be the way to go, but probably out of my price range to say the least.

Thanks,

Igor.