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Author Topic: aaz turbo option  (Read 52282 times)

Reply #180September 15, 2015, 10:10:08 pm

Alcaid

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Re: aaz turbo option
« Reply #180 on: September 15, 2015, 10:10:08 pm »
If you want it to last you need to back off the boost. You are overspooling it and back pressure is probably very high as well. Unless you are running a 12mm pump you are out of fuel a long time ago anyway
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Reply #181September 16, 2015, 11:25:53 am

mark3kid

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Re: aaz turbo option
« Reply #181 on: September 16, 2015, 11:25:53 am »
What will break? The turbo?

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When that turbo hits full boost you will forget all about the work to get you there, I promise It's pretty similar to women giving birth... - Alcaid
Reply #182September 16, 2015, 11:40:37 am

Alcaid

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Re: aaz turbo option
« Reply #182 on: September 16, 2015, 11:40:37 am »
Yep, and worst case your engine due to excessive EGT and PCP
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Reply #183September 16, 2015, 11:44:29 am

mark3kid

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Re: aaz turbo option
« Reply #183 on: September 16, 2015, 11:44:29 am »
I thought these turbos could handle high boost like that?

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When that turbo hits full boost you will forget all about the work to get you there, I promise It's pretty similar to women giving birth... - Alcaid
Reply #184September 16, 2015, 12:01:37 pm

Alcaid

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Re: aaz turbo option
« Reply #184 on: September 16, 2015, 12:01:37 pm »
50psi is a PR of 4.5, not even a HX40 Super will do that without overspooling (too high rpms = too high compressor wheel tip speed)

50 psi is compound territory if you want it to last

Besides you are not even close at having the fuel needed so you are actually getting worse performance that what you will get with lower boost
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Reply #185September 16, 2015, 12:14:25 pm

mark3kid

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Re: aaz turbo option
« Reply #185 on: September 16, 2015, 12:14:25 pm »
So lower the boost to like 40? And I'll most likely have more power

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When that turbo hits full boost you will forget all about the work to get you there, I promise It's pretty similar to women giving birth... - Alcaid
Reply #186September 16, 2015, 12:46:31 pm

Alcaid

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Re: aaz turbo option
« Reply #186 on: September 16, 2015, 12:46:31 pm »
Lower boost until it smokes slightly on full boost. Then add boost until it just clears. No need to run more boost than what you have fuel for
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Reply #187September 16, 2015, 01:54:54 pm

mark3kid

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Re: aaz turbo option
« Reply #187 on: September 16, 2015, 01:54:54 pm »
That's what I had originally something is different with this new motor. My old one maxed out at 42psi and just cleared the smoke up

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When that turbo hits full boost you will forget all about the work to get you there, I promise It's pretty similar to women giving birth... - Alcaid
Reply #188September 16, 2015, 04:13:17 pm

mark3kid

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Re: aaz turbo option
« Reply #188 on: September 16, 2015, 04:13:17 pm »
Do you think 40-45 is good?

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When that turbo hits full boost you will forget all about the work to get you there, I promise It's pretty similar to women giving birth... - Alcaid
Reply #189September 16, 2015, 04:34:46 pm

vanbcguy

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Re: aaz turbo option
« Reply #189 on: September 16, 2015, 04:34:46 pm »
Really that's excessively high for these engines. To get boost pressure that high you're creating massive back pressure; your turbo is probably taking 60-80 PSI to create that 40-45 PSI. Unless you've got a heavily modified pump with a huge head on it and a massive intercooler (and I mean massive, you are probably looking at 200°C air coming out of your turbo right now) you're just hurting your engine without making any more power. Lots of folks have 200ish HP TDI engines at around 30ish PSI, you aren't likely to make that much power on an IDI without blowing the prechambers out of the head.
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Reply #190September 16, 2015, 05:03:28 pm

mark3kid

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Re: aaz turbo option
« Reply #190 on: September 16, 2015, 05:03:28 pm »
Yeah. I mean I have been kinda hard on the engine. It holds this boost pretty good. I have probably 30 pulls on it at this much boost and it acts the same each pull. Not sure why its making more then ever though. It's weird I never changed anything and before it just made 40

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When that turbo hits full boost you will forget all about the work to get you there, I promise It's pretty similar to women giving birth... - Alcaid
Reply #191September 17, 2015, 03:54:12 am

Alcaid

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Re: aaz turbo option
« Reply #191 on: September 17, 2015, 03:54:12 am »
Quote from: vanbcguy on September 16, 2015, 04:34:46 pm
Lots of folks have 200ish HP TDI engines at around 30ish PSI, you aren't likely to make that much power on an IDI without blowing the prechambers out of the head.

TDI and IDI is not comparable when it comes to boost or fuel quantity vs. hp. And your last comment is just silly. With the right mods 200hp is easy without prechambers going anywhere.
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'03 VW Golf PD130 4Motion Highline
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Reply #192September 23, 2015, 11:15:32 am

mark3kid

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Re: aaz turbo option
« Reply #192 on: September 23, 2015, 11:15:32 am »
I'm interested to see how much I make. I haven't been driving the car as I'm waiting to dyno it. The guys from around me say max I'll make is 140hp and 240ftq it sure feels like it has alot more power then that but idk

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When that turbo hits full boost you will forget all about the work to get you there, I promise It's pretty similar to women giving birth... - Alcaid
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