The needy noob is back.
#1
The needy noob is back.
Hello interwebs! I lack boost still pushing 5psi. I needed a new clutch, better tune, and allumium rad first. Finished all that this week. I'm running a td04hl-15g with a nice taco taco mani. I have reason to believe that my MBC is not working. I keep turning it and TS still says 5psi same with my boost gauge.
I'm going to post my finished pics up of the build. Also, can someone double check my MBC set up. MBC to wg and to compressor housing. Might be hard to see the compressor pic. It's the lower line with brass barb.
I'm going to post my finished pics up of the build. Also, can someone double check my MBC set up. MBC to wg and to compressor housing. Might be hard to see the compressor pic. It's the lower line with brass barb.
#2
Could be your boost controller, could be your diaphragm, could be boost leak, could be a miscalculation.
When I first put my turbo I thought it was making around 20+psi of boost until someone told me you have to subtract 100 kpa for atmosphere so I thought I was making like 4, but at my elevation its only 86 kpa, so it was right where it was supposed to be (8 psi no boost controller, just spring pressure)
When I first put my turbo I thought it was making around 20+psi of boost until someone told me you have to subtract 100 kpa for atmosphere so I thought I was making like 4, but at my elevation its only 86 kpa, so it was right where it was supposed to be (8 psi no boost controller, just spring pressure)
#4
lol
That's a regulator, it lets all air pressure up to a certain point pass through and only then will it act as a restriction.
How are you going to use that to increase boost past the wastegate setting? It always leaks pressure, there's no way for it to clamp down 100% and only pass pressure greater than 5psi.
The simple answer is it physically can't. You did it wrong.
That's a regulator, it lets all air pressure up to a certain point pass through and only then will it act as a restriction.
How are you going to use that to increase boost past the wastegate setting? It always leaks pressure, there's no way for it to clamp down 100% and only pass pressure greater than 5psi.
The simple answer is it physically can't. You did it wrong.
#8
Always the last place you look lol... Since I couldn't find a leak I tried to readjust the recirulaating valve hose. Noticed a hairline crack. Popped it off with a little pressure for the pic. That's right before the throttle body. The upper rad hose got in my way when I was looking for leaks.
#10
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They don't say much about it, but I swear that's a dam compressed air regulator. It even has the "pull to adjust" cast into the cap. So that's about $20 in parts you just paid $107 for? It must suck to suck.
And although that pipe is a boost leak now, the hairline crack that it was, probably wasn't large enough to be a significant boost leak. That's not your issue.
And although that pipe is a boost leak now, the hairline crack that it was, probably wasn't large enough to be a significant boost leak. That's not your issue.
#11
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Also-
"Change your boost level from the cockpit of your car with the Turbonetics VBC kit. The VBC kit can adjust boost pressure on any external wastegate or factory dual port actuator. Adjustable from stock to the indicated pressure above stock. Dual port actuator only."
https://turboneticsinc.com/store/ind...product_id=406
"Change your boost level from the cockpit of your car with the Turbonetics VBC kit. The VBC kit can adjust boost pressure on any external wastegate or factory dual port actuator. Adjustable from stock to the indicated pressure above stock. Dual port actuator only."
https://turboneticsinc.com/store/ind...product_id=406
#12
I looked up the install directions and couldn't make sense of it. Using certain sized brass t's for different boost ranges?
Only way I see something like that working is if it's a bleed type boost regulator, which means it might be a very low pressure regulator and those are usually more expensive.
But I guess if it's only for dual port gates it makes a little more sense...
Only way I see something like that working is if it's a bleed type boost regulator, which means it might be a very low pressure regulator and those are usually more expensive.
But I guess if it's only for dual port gates it makes a little more sense...
#13
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I looked up the install directions and couldn't make sense of it. Using certain sized brass t's for different boost ranges?
Only way I see something like that working is if it's a bleed type boost regulator, which means it might be a very low pressure regulator and those are usually more expensive.
Only way I see something like that working is if it's a bleed type boost regulator, which means it might be a very low pressure regulator and those are usually more expensive.
#15
I suggest you try this
Close the valve 100%, then slowly start opening it, should bring the boost up.
Or you can make an adjustable check valve, like this here
The"D.I.Y."Manual Boost Control
Close the valve 100%, then slowly start opening it, should bring the boost up.
Or you can make an adjustable check valve, like this here
The"D.I.Y."Manual Boost Control
#19
All done. Returned that pos and I looked at the receipt noticed the price was 200$. They price matched for me when I was there. When it was working the boost levels were inconsistent anyways. I made the ball and spring and for the first time the build feels complete. Now let's see how I do at the next autocross @ Pocono. Thanks guys.
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