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Dyno Forum Discuss Dyno Tuning, and Post those Graphs Here!

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Old 04-30-2013, 05:42 PM   #21
Hurley
 
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Quote:
Originally Posted by 06cumminz View Post
1994 2500- 160hp pump, mack rack, 22* timing, 5x14 sac injectors, 62/74/14, airdog II dual feed, homemade 191 dv's. 640-1335 fuel only 646-1364 on winshield washer fluid

go on....
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Old 04-30-2013, 09:47 PM   #22
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Quote:
Originally Posted by 06cumminz View Post
1994 2500- 160hp pump, mack rack, 22* timing, 5x14 sac injectors, 62/74/14, airdog II dual feed, homemade 191 dv's. 640-1335 fuel only 646-1364 on winshield washer fluid
Something seems a little off there...
 
Old 04-30-2013, 10:52 PM   #23
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Friendly dyno? I like to see all the big injector 160hp pump combos....seems like people are finally catching on to how a big injectors can help on those combos. With the twins, even the 5x18s are pretty drivable, I've towed with them and it barely hazes.
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Old 04-30-2013, 11:13 PM   #24
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Quote:
Originally Posted by 97regcab12v View Post
468/934 5x20's 66/74/14 max'd 180 pump 19* timing factory engine specs.
That is a lot of injector to make that low of HP, tune that thing
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Old 04-30-2013, 11:42 PM   #25
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im getting excited to dyno my truck. really looking for 550 but not saying anything that i will for sure be there but its looking good so far.
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a bunch of stuff to make a 12 valve go fast... but not fast enough...
 
Old 05-01-2013, 09:17 AM   #26
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my roomate bought this truck with it bone stock, my brother and i own holden bros diesel in comfort tx. we have dynoed the truck 3 times on the same dynojet. i meant homemade full cuts, and it has valve springs as well. i was very impressed with the truck. ive tuned hundreds of p pump and rotary pumped trucks, not to mention this truck gets 22mpg. mayeb the dyno operator is changing something

1st dyno- stock injectors, 62/74/14, pac brak springs, and homemade full cuts, 472-1081

2nd dyno- only thing changed was airdog II, 5x14 injectors and dual feed, 597-1248

3rd dyno- only thing added was mack rack plug, more fuel pressure and the water/meth 646-1364

we have dynoed this truck alot those 3 times and we are loading it between 65 and 70% if i new how to post pics or videos id do so.

Last edited by 06cumminz; 05-01-2013 at 09:20 AM.
 
Old 05-01-2013, 11:25 AM   #27
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^interesting, thanks for an informative (and not pissy) response.
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Old 05-01-2013, 11:48 AM   #28
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Ill have a number here this weekend
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Old 05-01-2013, 12:48 PM   #29
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Quote:
Originally Posted by 06cumminz View Post
my roomate bought this truck with it bone stock, my brother and i own holden bros diesel in comfort tx. we have dynoed the truck 3 times on the same dynojet. i meant homemade full cuts, and it has valve springs as well. i was very impressed with the truck. ive tuned hundreds of p pump and rotary pumped trucks, not to mention this truck gets 22mpg. mayeb the dyno operator is changing something

1st dyno- stock injectors, 62/74/14, pac brak springs, and homemade full cuts, 472-1081

2nd dyno- only thing changed was airdog II, 5x14 injectors and dual feed, 597-1248

3rd dyno- only thing added was mack rack plug, more fuel pressure and the water/meth 646-1364

we have dynoed this truck alot those 3 times and we are loading it between 65 and 70% if i new how to post pics or videos id do so.
It's not that I didn't believe you, it's just that those numbers seemed really high for a 160 pump and a 62mm turbo. I'm interested to hear more about these homemade full cut DV's and the tuning you did. And maybe the dyno operator was using a high correction factor? Just wondering how you got that good of numbers on that setup. Sounds like a nice running truck though.
 
Old 05-01-2013, 01:33 PM   #30
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i thought the same thing. what is the correction factor "normally". i looked at abunch of different dv's and then took the factory 131's to my buddys lathe and cut them down as far as i thought was safe and put them back in with the factory holders. i set it at 22* timing, mack rack plug. it has a 100 plate slid all the way forward, the afc was adjusted to get the least amount of fuel on the low end.
 
Old 05-01-2013, 02:01 PM   #31
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....the 'right' thing to do is list uncorrected. my post above is 1.01 CF, which is ok in my book.
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Old 05-01-2013, 03:16 PM   #32
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the uncorrected numbers are 610.7 hp and 1288.40 torque with water meth
the uncorrected numbers are 599.1 hp and 1260.1 torque with fuel only

the other numbers are with a std. 1.07 correction factor

Last edited by 06cumminz; 05-01-2013 at 03:27 PM.
 
Old 05-01-2013, 03:27 PM   #33
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180 pump, .024s, ddp4s, fass 95, 62/80-14 over ht60, colt big stick, ported head, washer fluid. 608 hp and 1238 lb-ft.
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Old 05-01-2013, 03:28 PM   #34
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I've seen this truck running down the highway a few times, and on the dyno a bunch. It is the best running 12v I've seen. Tried messing with it on the highway with my 95. Bad idea. Very impressive build guys.
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Old 05-01-2013, 05:00 PM   #35
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Quote:
Originally Posted by 97regcab12v
468/934 5x20's 66/74/14 max'd 180 pump 19* timing factory engine specs.
That is a lot of injector to make that low of HP, tune that thing

It was a really unforgiving dyno, Kevin at northeast did my pump I've heard nothing but bolt it on and leave it alone, maybe someone more knowledgable could make more power but I'm pretty happy with it really.
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Old 05-02-2013, 07:01 PM   #36
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Quote:
Originally Posted by Hurley View Post
BlakLung dyno Truck Jam 2013 - YouTube

539/989

63/68/.91, 11-blade billet compressor wheel, ~50psi peak boost
7mm +100cc dv's
5x14's (280bar, +0.010")
4k springs... maybe fueling to 3k
25.5deg timing (160hp pump)
Wow, that is one quiet turbo! Is that just the video sound muffling it or is the turbo that quiet? I have heard those wheels are quiet and will find out when I get my 11-blade s400 on as a primary.
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Old 05-02-2013, 07:28 PM   #37
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Here's Jason's video; and yes, it is fairly quiet. fwiw, I'm running a 5" dynomax bullet muffler and the air filter is tucked into the bumper
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95 2500 RCSB 2wd back-halfed and 4-linked
5x14/7mm +100cc/4k/11-blade billet 63/68/.91 T4
539/989

03 RCLB 4x4, SSR
 
Old 05-03-2013, 12:33 PM   #38
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Super B special over 475 1.10 T6, 160 pump, Smokem comp DV's, 5x.016's, springs, locks retainers, billet push rods, 24* timing, marine cam, studs AirDog II 200 @ 60 psi
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Old 05-05-2013, 08:40 AM   #39
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1994 2500 RC LB 4wd 5spd
-180 injectors
-131 DVs
-CDS 5k set loose
-WH1C w/18.5cm exhaust housing
-no plate
-AFC modded(barrel and foot ground, smoke screw backed out, no rack plug, starwheel adjusted)
-20.75* timing
-Armstrong Performance header
-4" exhaust
-Taurus fans

It was dropping fuel pressure WOT down to 12-15psi.

381.5hp @ 2025rpm
999.5tq @ 2004rpm


Garrett
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Old 05-05-2013, 11:39 PM   #40
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180 pump, racked and balanced, comp cuts, haisley 5k's (loose), rack plug, afc modified, 175 spring, no plate
67/83/.9
20*ish
steed
181/210
5x.016
FP @ 35-40 WOT
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