Lack of boost?
03-12-2008, 05:47 PM
#1
Elite Member
Thread Starter
iTrader: (11)
Join Date: Apr 2007
Location: VA Beach
Posts: 1,996
Total Cats: 51
Lack of boost?
Found a guy locally to help me tune the MS. Went out today and got it close and then starting boostin it. Saw 5 psi tuned for it and all was well. Than tightened down the waste gate all the way and got 8psi max???
What do I need to do to make 12-15?
I've seen springs helpin the wastegate stay closed, do I need that?
What do I need to do to make 12-15?
I've seen springs helpin the wastegate stay closed, do I need that?
Reply
0
0
03-12-2008, 06:46 PM
#6
Boost Pope
iTrader: (8)
Join Date: Sep 2005
Location: Chicago. (The less-murder part.)
Posts: 33,026
Total Cats: 6,592
Ok, the powercard was a joke.
Budgetracer and whaam5x are right on the money. The only way to achieve a nice consistent boost at the level you're talking about is with a proper boost controller. There are as many different manual boost controllers as there are opinions, but it's ultimately what you're going to need.
Another, possibly less expensive option, would be to implement electronic boost control via your Megasquirt. The actual solenoid itself is quite inexpensive (about $40, including the connector, from DIYAutotune) though you'll need to make a hardware mod to the MS to drive it. Are you running an MSPNP or did you assemble your own?
Budgetracer and whaam5x are right on the money. The only way to achieve a nice consistent boost at the level you're talking about is with a proper boost controller. There are as many different manual boost controllers as there are opinions, but it's ultimately what you're going to need.
Another, possibly less expensive option, would be to implement electronic boost control via your Megasquirt. The actual solenoid itself is quite inexpensive (about $40, including the connector, from DIYAutotune) though you'll need to make a hardware mod to the MS to drive it. Are you running an MSPNP or did you assemble your own?
Reply
0
0
03-12-2008, 07:02 PM
#7
Elite Member
Thread Starter
iTrader: (11)
Join Date: Apr 2007
Location: VA Beach
Posts: 1,996
Total Cats: 51
I'm running a Brainiack boomslang setup with EBC (that does not work...yet). I just thought I could get more from the wastegate alone.
Doe it sound about right to get 8psi with just the WB tight? If so that would sound like its all working and I have to get the EBC working.
Doe it sound about right to get 8psi with just the WB tight? If so that would sound like its all working and I have to get the EBC working.
Last edited by IcantDo55; 03-12-2008 at 07:36 PM.
Reply
0
0
03-12-2008, 08:27 PM
#8
That is correct... actually, I'm surprised the stock Greddy wastegate is giving you that much. I know your exhaust is good-sized, which is probably helping.
If your MBC isn't working, communicate with Braineack via PM for help. If you need an MBC, I have a spare one you're welcome to in the meantime.
If your MBC isn't working, communicate with Braineack via PM for help. If you need an MBC, I have a spare one you're welcome to in the meantime.
Reply
0
0
Thread
Thread Starter
Forum
Replies
Last Post
StratoBlue1109
Miata parts for sale/trade
21
09-30-2018 01:09 PM
