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Old 12-19-2012, 11:53 AM   #1
silver03
 
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Correct injector size for Twins?

I'm building my 1st set of twins and can't decide on what size injector to run.
I was thinking 5X18's or 5X20's

Here are the specs on the motor
12V with Standard Bore
New 1st gen mahle pistons
CR ratio 17:1 ish to 18:1 ish...
New 1st gen Mahle pistons
Hamition 181 cam
180 P-pump with 4k gov springs, full cut DV, AFC full travel
24 deg. of timming
Ported head
ATS 3-pcs exhaust manifold
CNC valve Job 45* intake seats
Turbos are ED billet 66/74/14 over a an s480/1.32.
 
Old 12-19-2012, 11:58 AM   #2
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Power goal?
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Old 12-19-2012, 12:14 PM   #3
silver03
 
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streetable 800+
 
Old 12-19-2012, 12:19 PM   #4
Smokem
 
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5x0.018" 155° cone angle, get different turbochargers.
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Old 12-19-2012, 02:25 PM   #5
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Get different turbos?
 
Old 12-19-2012, 03:01 PM   #6
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I think a 66 is a bad choice. Something a little smaller would work much better if you want it "streetable"

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Old 12-19-2012, 03:06 PM   #7
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watching

Also interested in twin opinions from smokem.... the internet says these are the turbos to have.....
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Old 12-19-2012, 03:12 PM   #8
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Not what you want for a secondary if streetable is your goal, have you already purchased these turbos, your primary?
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Last edited by TMONEYDIESEL; 12-19-2012 at 03:14 PM.
 
Old 12-19-2012, 03:27 PM   #9
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People as consumers need to realize why certain products are common. A mass consumed product is only desireable if it is available, and easy to make a profit on, this goes for many things.

Now, the big question; Are these common parts right for you? Well that depends, are you willing to go the extra distance to have a setup that has the appropriate parts as a whole, or would you rather just order from a drop-down box? There is no one correct size of compound turbochargers for xxx amount of hp, no matter what the Google machine tells you.
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Last edited by Smokem; 12-19-2012 at 03:30 PM.
 
Old 12-19-2012, 05:37 PM   #10
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I guess when I say streetable I don't mean every day daily driver. I'm never going to tow with this set-up. Mostly just dyno and pull at brush pulls. I my last truck I ran a Hart HX-60, 13mm CDS ag, with a hand throtle. now that was boarder line streetable.
 
Old 12-19-2012, 05:40 PM   #11
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There are a lot better turbos out there than what you have listed.
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Old 12-19-2012, 06:16 PM   #12
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Quote:
Originally Posted by Smokem View Post
There are a lot better turbos out there than what you have listed.
if theres alot better turbo setups out there . please help us out and tell us .. with all the box stock turbos that are out there.... thats what we see 90 percent of the time
 
Old 12-19-2012, 06:24 PM   #13
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if theres alot better turbo setups out there . please help us out and tell us .. with all the box stock turbos that are out there.... thats what we see 90 percent of the time
You would like me to "tell us" what exactly? I see so often people only aware of the 74/83mm and 88/96mm S400 turbines, that is the entire range from the smallest to the largest, what about the other 4 options that fall in between?
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Old 12-19-2012, 06:30 PM   #14
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Quote:
Originally Posted by Smokem View Post
You would like me to "tell us" what exactly? I see so often people only aware of the 74/83mm and 88/96mm S400 turbines, that is the entire range from the smallest to the largest, what about the other 4 options that fall in between?
There are not four others, only the two.






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Old 12-19-2012, 06:50 PM   #15
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There are not four others, only the two.




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Old 12-19-2012, 07:11 PM   #16
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Quote:
Originally Posted by Smokem View Post
You would like me to "tell us" what exactly? I see so often people only aware of the 74/83mm and 88/96mm S400 turbines, that is the entire range from the smallest to the largest, what about the other 4 options that fall in between?
ok, than what size turbos would you go with ..on "silver03" motor, and fueling mods
 
Old 12-19-2012, 07:18 PM   #17
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Quote:
Originally Posted by silver03 View Post
I'm building my 1st set of twins and can't decide on what size injector to run.
I was thinking 5X18's or 5X20's

Here are the specs on the motor
12V with Standard Bore
New 1st gen mahle pistons
CR ratio 17:1 ish to 18:1 ish...
New 1st gen Mahle pistons
Hamition 181 cam
180 P-pump with 4k gov springs, full cut DV, AFC full travel
24 deg. of timming
Ported head
ATS 3-pcs exhaust manifold
CNC valve Job 45* intake seats
Turbos are ED billet 66/74/14 over a an s480/1.32.
Are the 1st gen Mahle pistons New??
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Old 12-19-2012, 07:24 PM   #18
silver03
 
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Quote:
Originally Posted by zstroken View Post
Are the 1st gen Mahle pistons New??
Lol...new as in just out of the box. Not sure why i put new in there. It must of been a typo
 
Old 12-19-2012, 07:27 PM   #19
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Lol...new as in just out of the box. Not sure why i put new in there. It must of been a typo

You listed them twice as well.
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Old 12-19-2012, 07:30 PM   #20
silver03
 
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I didn't buy these turbo's with the intension of building a twin set up originally. The S480 was the turbo off my Pulling truck i ran as a single and was going to run the ED 66 as a single this truck but now I've desided to go this route. I'm willing to change the set-up if someone has a better option!

Last edited by silver03; 12-19-2012 at 07:36 PM.
 
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