Forced Induction Custom FI Setup Questions

For anyone who cares...

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Old Oct 11, 2007 | 07:13 PM
  #11  
Guy-Fast's Avatar
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Default Re: For anyone who cares...

You get that thing to idle yet? How much timing are you running at idle.
Old Oct 11, 2007 | 07:38 PM
  #12  
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Default Re: For anyone who cares...

Originally Posted by SDRAWKCAB
STFU NOOP
why you no love me?
Old Oct 11, 2007 | 09:10 PM
  #13  
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Default Re: For anyone who cares...

Originally Posted by chris
You get that thing to idle yet? How much timing are you running at idle.
Yeah, idles nice now. I played with the throttle stop, and the advance tables in Crome until I got it to start and run. Runs best with about 20* of timing at idle, 13.5-14.0 AFRs.

Originally Posted by FOBrudy
When do you hit full boost?

Rarely in first will it peg 15psi, I'm shifting at 8K, it'll hit 10 psi by about there. 2nd/3rd it'll start to spool around 2600-2700, around 4500-5000 all hell breaks loose and it's both hands on the wheel time.

It's not nearly as laggy as I expected it to be, the only other big turbo D local to me runs a t3/t67 and he has a much smaller powerband.

Originally Posted by SDRAWKCAB
Iv been thinking about going with a HY35 for my built D project.
Minor you hit 400 right? So do you think this turbo is capable of that?
As far as cheap big turbos go, this is the best suited to a smaller engine like the D. I havn't hit 400 yet but that's only due to the fact that I'm a slowass at sorting the car out. I've been blowing off one coupler at 10psi for a week now, just fixed tonight and it's pouring rain. The compressor wheel of the HY35 I have read is slightly smaller than the HX35, big deal, HX is good for 550whp so even if the HY flows a little less, I have no doubts I can 400, just need some race gas and dyno time.
Old Oct 12, 2007 | 12:33 AM
  #14  
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Default Re: For anyone who cares...

Originally Posted by Minor Threat
Yeah, idles nice now. I played with the throttle stop, and the advance tables in Crome until I got it to start and run. Runs best with about 20* of timing at idle, 13.5-14.0 AFRs.

Rarely in first will it peg 15psi, I'm shifting at 8K, it'll hit 10 psi by about there. 2nd/3rd it'll start to spool around 2600-2700, around 4500-5000 all hell breaks loose and it's both hands on the wheel time.

It's not nearly as laggy as I expected it to be, the only other big turbo D local to me runs a t3/t67 and he has a much smaller powerband.

As far as cheap big turbos go, this is the best suited to a smaller engine like the D. I havn't hit 400 yet but that's only due to the fact that I'm a slowass at sorting the car out. I've been blowing off one coupler at 10psi for a week now, just fixed tonight and it's pouring rain. The compressor wheel of the HY35 I have read is slightly smaller than the HX35, big deal, HX is good for 550whp so even if the HY flows a little less, I have no doubts I can 400, just need some race gas and dyno time.
Thats all i wanted to know. garretts big enough to make 400+ are to expensive for my liking.
Plus a diesel shop near me dose rebuilds cheap for hy35.
IM hitting the 4 double 0 this year hopefully.

D series power unite!
Old Oct 12, 2007 | 08:06 PM
  #15  
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Default Re: For anyone who cares...

A6 or Z6?
Old Oct 13, 2007 | 06:07 PM
  #16  
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Default Re: For anyone who cares...

Originally Posted by reactone
A6 or Z6?
A6.

I'm a big ----- though, this cam is starting to get old. Once it gets dyno time/better fuel tune and I know where it stands powerband wise, I might toss it and go with a Z6 head, not sure.
Old Oct 13, 2007 | 08:25 PM
  #17  
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Default Re: For anyone who cares...

Originally Posted by Minor Threat
It's not nearly as laggy as I expected it to be, the only other big turbo D local to me runs a t3/t67 and he has a much smaller powerband.
You mean he has any powerband??

Originally Posted by Minor Threat
I'm a big ----- though, this cam is starting to get old.
Old Oct 13, 2007 | 08:39 PM
  #18  
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Default Re: For anyone who cares...

Originally Posted by Joseph Davis
You mean he has any powerband??

Yeah, it goes from 6k to 8.4K, torque curve you can set a beer on.

Originally Posted by Joseph Davis
I need to trim the fuel more, I don't know when the torque is falling off but it's around 6.5-7K I think, I wish I had a stock cam to compare it to, or even a stock OBD1 A6 map to look at, so far as I've found, well, I havn't found any,
Old Oct 14, 2007 | 01:51 PM
  #19  
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Default Re: For anyone who cares...

I recall seeing some A6 dynos somehwhere on HT.com, it was mildly modded and tuned and go ~110sh whp and just under 100lb/tq
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