twin turbo ?'s... sportbike?

[therabbittree]

Hello,
I have been seriously looking at the option of twins. . I have heard of people running a larger turbo feeding a smaller turbo. . and of people running a smaller turbo into a larger one. . The latter seems to make the most sense to me... The question is with the sizing of the turbos. . I understand the sizing is variable to the power out put you'd like... and who doesn't want more?. . say with a truck like mine a '89 with a 18. 5cm housing . . would you keep that and get a much bigger turbo the runn off the stock one?. . or would i have to change both?... I haven't messed much with in series turbo charging . . the detriot diesel we race runns twins but its parallel. . 6v53 twin t04's. . 600+ hp 1200+ftlbs... so the turbo compounding is a little different ha. . I plan on trying it out on a turbo diesel vw im building too... and information or web links to this would be great. . most of the tractor pull sites don't give detailed infor. . thanks im sure this will be a interesting forum topic. . thanks again
\x/ hillfolk!
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'89 w350 srw 4x4, k&n,
5" side exit exhaust,
muffler is awol, looking
for more power

 

[willyslover]

tried to send you two different pic's of two rigs. . your e-mail address doesn't go thru ??
send me your e-address and pics will be yourn

both of the pic's I'll send are different than those below... so that would give you 4 to look at. . mine are saved in my computer and I don't know how to post those here. . but can send to you... #ad


[This message has been edited by willyslover (edited 03-10-2001). ]

 

[sport bike]

He is only able to make those kind of numbers with a HX-40 because of NOS and Propane. He is making 450 on #2. He is testing a twin set up right know.

John/SP

 

[Sled Puller]

First, cut all your credit cards up and give the check book to your wife.
Then, make a road trip to Daves for a test ride. (Don't forget to buckle up. )
You will be sold on the spot!!!

Gene

 

[kevin1]

I am currently working on a setup for an eth there are alot of variables in setting up twins its not just picking a turbo that sounds good once we figure it out then you still need to tune them then there is the factor of cooling when and where my advise would be to do your research we have been playing with multiple turbos for 10 years and still make mistakes if its wrong your engine could be the thing that tells you its wrong my $. 02 Wiz1

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2001. 5 ETH/DEE 4x4, DRW QC DD3's, EZ, HX40 machined out for more flow, Custom 4" exhaust turbo back staight pipe with 5" chrome tip in front of rear tires,spa's, mcleod clutch, fuel lines,mag hytech rear end cover,psycotty air system,relocated blow by bottle,Lucerix power heated mirrors,more to come

 

[HEMI®Dart]

Notice the much larger than stock fuel injector lines are in the top picture? These trucks probably had Mega pump work done.

Don't anyone get the impression all you need to do is add a Twin Turbo setup and you now you have a 13 second truck.


Newsflash: Joe D's truck Dynoed @ 609 HP on #2 only with a single HX-40 18cm2.

Full Details: https://www.turbodieselregister.com/ubb//Forum1/HTML/003514.html




[This message has been edited by HEMI®Dart (edited 03-11-2001). ]

 

[R.ebel]

It's hard to tell from the pictures, are the turbo's in series or parallel?

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1997 2500 Ext Cab 4X4,5 spd,3. 54's,Pac brake,Rancho 9000's,Centerforce clutch,K&N airfilter, Isspro gauges,TST #11 plate (280hp/680tq),AFC medium spring, Jardine 4" exhaust, 370 Diamond B marine injectors and 16cm turbine housing.

 

[HEMI®Dart]

rabbit,

Here are 2 examples from Enterprise Engine (Dave Mitchell) :

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I think Dave has a twin turbo kit he is selling now. About $4,000 bannanas

More Pictues: http://www.enterpriseengine.com/specialprojects.htm

I'm personally not sold on Twin-Turbo's yet. HVAC's truck makes 600 HP and 1200 ft lbs torque with a single Holset HX-40.

Just my . 002¢



[This message has been edited by HEMI®Dart (edited 03-10-2001). ]

 

[therabbittree]

well I have seen dave mitchells twin turbo stuff on his website and tried emailing him about it a couple of months ago. . no reply. . that dually from texas. . is pretty sweet. . any way if i kept my H1C from my 89 as the small turbo . . how much bigger would be good for the second on hx80 or so?. . hey sport bike I rememeber on a older post of yours you mentioned that you'd email pics of your setups. . can you email me them?... thanks
does anyone have a twin turbo first gen?. . I've only seen 2nd gens. .
thanks
later
\x/ hillfolk!

------------------
'89 w350 srw 4x4, k&n,
5" side exit exhaust,
muffler is awol, looking
for more power

 

[willyslover]

Sport Bike. . I just sent your pic's to him. . [kept them in a folder for reference #ad

along with Nowel's pic's]

 

[My 6 Eats V8's Old File]

with yours I would use a hx40 with another 18. 5 for the out board turbo. The outboard turbo is the one that collects the air and is why its usually much bigger. This forces air into the front of the smaller inboard turbo and into the aftercooler. The exhaust does the same, going through the inboard turbo and then into the second outboard turbo and out the exhaust.
Both of these the above systems are sequential, one is side by side, the other is top and bottom. The latter is the one I'm going to use for the easier exhaust routing of the 5" inch outlet. #ad


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96 4x4, 3. 54 posi, 6. 5"lift, 35" bfg m/t's and 35x14. 5x16. 5 boggers,dual stabalizers, aluminium wheels, sport headlights,billet grill, K/N 0880, NOS, Performance Diesel LPG, BD Pulling/Competition fuel injection pump,370hp marine injectors, ported head, Hx40 w/ 16cm2, 4" exhaust w/ 2 chamber Flomaster, BD copetition auto transmission and torque converter, Kenwood sterio System, Westach 60lb boost/ egt guage with warning light,aluminium bed rail covers,chrome diff covers, 5 foot traction bars,
475hp and 1050lb of torque on #2
530hp and 1140 with bullydog lpg maxed(only 55hp)
590hp and 1200 with lpg and nos
all done in 5th gear with 35's.
have a great day.
Adam

 

[Joseph Donnelly]

Newsflash: Joe D's truck Dynoed @ 609 HP on #2 only with a single HX-40 18cm2.

Thanks, but it wasn't an HX40 #ad

Only one turbo, but just a tad bigger than a '40. [censored] was climbing all over it trying to get to the part number that I had covered with black electrical tape #ad