SIK DMAX Twin build (GT4718/HTT66)

dmaxvaz

wannabe puller
Nov 22, 2006
1,132
0
0
46
METRO DETROIT
why do you say that? That should be enough air for 1k, the 47 will flow 140lbs per minute. I think he will need bigger injectors.

not enough air. Compound twins have a broader power band but lack flow like a single large turbo has. The whole twin setup flows almost 1/3 less air than if you were to run the gt47 as a single. The only benifit of twins is driveability and lower egts
 

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,701
756
113
Texas!!!
not enough air. Compound twins have a broader power band but lack flow like a single large turbo has. The whole twin setup flows almost 1/3 less air than if you were to run the gt47 as a single. The only benifit of twins is driveability and lower egts
He will have enough air to hit 1000 HP on fuel. It may be at the limit, but it will do it.
 

RPM Motorsports

smokinum
May 13, 2008
3,271
10
38
Central Valley Ca.
will they fit like stock or will modifications need to be done to the passenger side intercooler tube :confused:

I think im going to try and match it up to the Banks tube, since a few people have them. The way I did Matt's, it only needed two 3" 90's, and a few short pieces of 3" tube (see pic's). I might build the tube as well, if enough people are interested.
 

SIKDMAX

Highway Burnouts!
Sep 14, 2007
4,698
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37
Central Coast, Cali
www.sikdmax.com
The 60% injectors may be a limiter, Guy and I discussed going bigger in the future once its running and we see how it drives.

Ive also figured I will more than likely up the small turbo, probably at the same time the drivetrain comes out to go in a regular cab :thumb:
 

S Phinney

Active member
Aug 15, 2008
4,008
18
28
Quncy, Fl
The 60% injectors may be a limiter, Guy and I discussed going bigger in the future once its running and we see how it drives.

Ive also figured I will more than likely up the small turbo, probably at the same time the drivetrain comes out to go in a regular cab :thumb:

Bigbird uses the a similar setup in his crew cab with 100 overs from SoCal. He should be pushing or into the triple digits. The injectors might keep you from them and might not.
 

duratothemax

<--- slippery roads
Aug 28, 2006
7,139
10
0
Wyoming
jeez, its not even running yet and you're already thinking about going bigger/upgrading???? :p:

I say f it run it, and enjoy it... its gonna be sweeter/faster/cooler as-is than 99% of anything on the street anyways. :thumb:
 
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S Phinney

Active member
Aug 15, 2008
4,008
18
28
Quncy, Fl
jeez, its not even running yet and you're already thinking about going bigger/upgrading???? :p:

I say f it run it, and enjoy it... its gonna be sweeter/faster/cooler as-is than 99% of anything on the street anyways. :thumb:

I have to second that one. It should have plenty of show and go. It might even scare you too much to even want to drive it. If that happens send it my way and I will drive it for you. LOL:rofl:
 

paint94979

Beer Nazi
Sep 18, 2006
11,715
8
38
37
:eek: 600 lol :hug: i'll probably wait for the alum. ones unless i get some extra cash cause the stainless looks sweet!:thumb:

It really isn't my place to say but Russ isn't turning a huge profit with these... the flanges are beautiful and are top notch that costs money, the SS ones are also not run of the mill Mild Steel, 316 is not cheap.
 
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SIKDMAX

Highway Burnouts!
Sep 14, 2007
4,698
0
0
37
Central Coast, Cali
www.sikdmax.com
jeez, its not even running yet and you're already thinking about going bigger/upgrading???? :p:

I say f it run it, and enjoy it... its gonna be sweeter/faster/cooler as-is than 99% of anything on the street anyways. :thumb:

:hug::hug::hug::hug::hug:

To be honest Ive pretty much forgotten I own a Duramax, and the $600 a month loan payment and all of these $1000s are just going down a black hole.

I figure itll be a awesome surprise if one day I get a sweet fast Duramax LOL

Cant wait to drive it.