Industrial injection Silver 62 Dyno results"2nd gen". Who wants to know?

[BILLVO]

I finally ran it on the dyno with my sig. did 4 runs,All without Smarty though, will post results later. Who wants to know?Oo.

 

[getblown5.9]

sure let me know how ya did, i have the bigger silver bullet 66

 

[BILLVO]

Hint- Read my sig. Shop owner- Dyno guru was extremely impressed with how fast and smooth silver 62 spooled up. He did 2 runs for free to feel it out and was very impressed with results as was most everyone else there .



With better injectors I think near 600 will be real easy. I ran comp on 5X4 and 5X5 and confirmed what I have researched.



5X4 resulted in better #'s. Exact same HP but 30 more ft lb tq.



I ran with no electronics at all to get a baseline of my sig and it did 330 hp and 635 tq.



Drag comp on 5X4 supplied 200hp and 350tq over no electronic devices.



Questions welcome .

 

[BradyWilliams]

Very good hp numbers. You can make better with bigger injectors though. Congratulation on the great runs.

 

[AMassaro]

I think those numbers are great. I've got a Silver64 coming soon, hopefully this week. How is the drivability so far?

 

[BILLVO]

Now my next question is.



Which injectors will give me the most bang for the buck and stay clean and most of all be able to still use it for a daily driver - tow hauler and supply better #'s?

 

[16919]

I would say maybe a mach 5... ... .....

 

[Gary - K7GLD]

Bill, what are the specific improvements you see with the new turbo - what were your dyno #'s before it was installed, or were there also other mods in between that prevent a direct before/after comparison?



Does the new turbo deliver more PSI (if so, what is max PSI?), or faster spoolup, or both?



My truck is pretty much setup like yours, except for a manual transmission and slightly smaller injectors, and with the Smarty, I run out of air at the upper settings. I'd like SOME added PSI, but not over 40#, and a spoolup that was significantly quicker would help too...

 

[Forrest Nearing]

Gary, my sps62 on my truck below 3000rpm would do 55psi on stock injectors w/ a turned up pump, and drive pressure was 45psi! I would imagine the silver bullet turbine would have less drive pressure.

EGT's wouldn't even hit 1200* w/ the stock injectors. I'm estimating I was just shy of 400rwhp



with the DDP4 injectors and some more heat in the manifold, drive pressures were more like 50psi...



with the addition of a 4k GSK, the truck fueled so much harder and drive pressure increases as RPM increases, so I was pegging my 60psi drive pressure gauge easily.



I backed the boost down some... it'll tag 50psi and settle back down around 45-47 depending on atmospheric and load conditions, and drive pressure is 1:1 at full boogie. at anything below WOT, drive pressure is consistantly 7-8psi less than boost while the tach climbs. they start to meet eachother above 3500

 

[BILLVO]

The drivability is excellent. At most there is half to 1 second of lag on lower comp settings at rpms lower than 1500-1600 but the smarty makes that up. When I first installed this turbo I had 90 hp injectors and a regular comp and it took all the fuel just to hit 40-42 psi and never saw over 1250 egts for more than a split second. I never dynoed it with those injectors but my last dyno was 392 and 896 with regular comp with BD super B turbo and 90hp sticks and stock manifold but the egts were through the roof 1500 easy and stayed there.

When on the dyno and comp on 5X5 and 5X4 it hit 1300 one time after 3 runs and the time it hit 1300 he held the brake to see if it would make a diference on spoolup if it loaded sooner. It made no difference this turbo spooled super on its own.

Gary with the injectors you have and regular comp you won't be able to get over 40 psi From my experince with the 90's I had. Even with the 155 injectors this thing is just getting in its groove with a drag comp on the higher rpms There is no shortage of air. I can hit 45psi on the dyno after about 1500 rpm it takes about 1 sec to hit 45 psi which is where the wastegate is set at.

During normal driving with comp on 2or3 and smarty on 4 or 6 I can only see 38-40 psi max and 1200 egts for only a second until turbo lites it always settles in at 1100 under hard pull.



Without a smarty I wouldn't run smaller than a 90hp injector with this turbo.



I will post the dyno graphs if I figure out how to scan them to my computer from work later tonight.



I am satisfied with the hp #'s I got its exactly what I guessed But I am disappointed with my tq # I wanted to see 1050 or so.

We actuall made 7 pulls and had 2 different people do them and all numbers fell within 5 hp and 30tq of each other. I can't believe the consistacy of this turbo.

 

[BILLVO]

The last one was getting long. This turbo is excellent for someone wanting to tow,It lights exactly when you need it to. It is also a super turbo for competition from what I am seeing from it. I don't have enough fuel to even start working this thing on the high side. If low egts are important and you tow or compete.



This is the Baby you need.



This turbo would eliminate the need for water meth as a cooling tool if your having egt problems.

 

[Gary - K7GLD]

Thanks for the followup info Bill - you too Forrest.



Before I got the Smarty, my setup was perfectly matched - boost PSI and EGT was right where they should be under heavy load. Smarty ended that, and now I have more fuel than the turbo can provide air for, and EGT is too high to use Smarty's upper power levels in hard RV pulls - I wonder if another 6 PSI above what I now have would make a difference?



I currently can get about 34 PSI from my OEM turbo, quicker spooling would be a plus - dunno what effect on towing EGT I'd see with only an additional 6 PSI or so, but I absolutely DON'T want to get into a setup that next requires head/gasket work in order to keep from blowing headgaskets.



SO, I guess the next logical question is, what is the maximum accepted turbo PSI before things start coming apart or blowing up around the head? I'm sorta guessing that 40 PSI or so is getting close to that threshold...

 

[BILLVO]

Gary you shouldn't have to worry about too much pressure. You can adjust the wastegate elbow screw down if you want also. Yes 40 to 45 is about what the limits of stock gasket are but you will not see over 40 with your setup I think. With my setup it runs at 30is at most under highway speeds with a good load on. no load at cruising speeds it is around 10ish at 2000 rpm.

 

[Cummins724]

With better injectors I think near 600 will be real easy. I ran comp on 5X4 and 5X5 and confirmed what I have researched.



5X4 resulted in better #'s. Exact same HP but 30 more ft lb tq.



I ran with no electronics at all to get a baseline of my sig and it did 330 hp and 635 tq.



Drag comp on 5X4 supplied 200hp and 350tq over no electronic devices.



.

Good numbers... . Did you install Smarty for the runs?

 

[Vaughn MacKenzie]

The drivability is excellent. . . . I can hit 45psi on the dyno after about 1500 rpm it takes about 1 sec to hit 45 psi which is where the wastegate is set at. . . . Without a smarty I wouldn't run smaller than a 90hp injector with this turbo.

Great report BILLVO. Sometime when you are out and about how 'bout testing spoolup RPM. . . say get it around 1100 in 3rd gear then gently roll into it. The DD Jammer on my '96 takes off right at 1300 which I think is a slightly smaller turbo (it's the older version which I think is based on a HX40).

I am thinking about what I want to put on my '98 automatic, but I'm not going to run a lot of fuel (~350hp) and don't want to go too big.

Vaughn

 

[BILLVO]

Good numbers... . Did you install Smarty for the runs?

I drove to the event with it but did not dyno with it. just dynoed with drag comp.





Vaughn



I do not think this turbo would work very well with that little of fuel. I had 90 hp sticks with a regular comp and it would get it going but with the smarty it made it work really well down low with the 90's.

 

[BILLVO]

Brady



Which injectors would you recommend to jump me up just a bit?

I would like to dial it in for a strong 550+ hp and 1100 torque range.

I want some that are very clean and reliable for a daily driver/tow rig and yet give me what I want on the dyno and at sled pulls.



I was thinking of a mach 5 or something you could offer.

If my thinking is right the injectors I have now are same arena as a mach 4?

 

[pwerwagn]

BILLVO, are those corrected or un-corrected numbers?



What altitude are you at?



--Jeff

 

[BILLVO]

BILLVO, are those corrected or un-corrected numbers?



What altitude are you at?



--Jeff

uncorrected at about 2000 ft.

 

[BradyWilliams]

You know we can make more hp for you but you may need some head studs and maybe some fire rings. WE have 10 hole injectors and 11 hole injectors that make very good hp. They can be smokey if you lay in to it. We do have some 120hp injectors that have been making great power with a less amount of smoke. Thanks