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HALLMAN MBC question
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no you shouldn't have to disconnect the battery, what you need to do is take the soft spring out and put the hard one in.
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put it heavy spring problem solved close thread
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I did have fun tuning ti at 430 in the morning though haha no traffic nothing on the fuzz detector I'm at 23 psi 2-4th gear about 18 in first
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are you tuned? if not i think u should lower the boost to 20 or lower.
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I'm having the same issue.. my hallman MBC is turned up all the way also... and it only peaked at 20psi on 4th-6th gear. around 18-19psi 1st-3rd. I know to solve the problem is to replace the soft spring with the hard spring.. I was wondering if there's a place where i can buy the harder spring, since i accidently mis-placed somewhere. if anyone can help me out so I can get my car re-tuned at a higher boost. I want to boost atleast 23-25psi...
Originally Posted by W_evo8
(Post 4700646)
Alright I hooked up my MBC to the wastegate line and tapped off the BOV, I can only lower the boost and when I turn it all the way up its the same when it was stock. I read that you should disconect the battery but its late and my alarm goes off if I do that so tomorrow I'll try that.
The max boost I have is 19-20psi with it turned all the way up. I have the soft spring in it right now. Any useful suggestions are apriciated. |
i would also know where to get the hard spring...best bet would prolly be to contact hallman and ask them if you can buy one straight from them.
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The light spring should work fine for 23-25 PSI. I have had no issues with mine. Not to sound like a jerk but ...is it hooked up correctly? Did you bypass the boost control solenoid when installing like Hallman recommends?
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Originally Posted by suekie
(Post 4700855)
i would also know where to get the hard spring...best bet would prolly be to contact hallman and ask them if you can buy one straight from them.
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Thanks JAKE!!! :beer: |
NICE...... thanks man....:thumbup:
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Yes it is hooked-up correctly, I followed the instructions from hallman, and one of the thread from EVOM. I changed all the stock vaccum hoses to make sure there's no restrictor. but still same results. MBC is turned all the way up, and its only peaking 20psi.... I might just try to get the heavy spring to see any difference before i go out and buy a new one....
Originally Posted by EMC2
(Post 4700897)
The light spring should work fine for 23-25 PSI. I have had no issues with mine. Not to sound like a jerk but ...is it hooked up correctly? Did you bypass the boost control solenoid when installing like Hallman recommends?
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It was worth a shot...sometimes it the simple stuff we overlook. Wonder if my boost controller came with the heavy spring already installed. I didn't request it but stranger things than that have happened to me.
Originally Posted by J-ROC
(Post 4700960)
Yes it is hooked-up correctly, I followed the instructions from hallman, and one of the thread from EVOM. I changed all the stock vaccum hoses to make sure there's no restrictor. but still same results. MBC is turned all the way up, and its only peaking 20psi.... I might just try to get the heavy spring to see any difference before i go out and buy a new one....
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This is weird, because i have the FORGE MBC and it came with the hard spring and soft spring. With the soft spring in, i can only boost to 20psi. Whats weird is that when i put the hard spring in, it spikes to 30psi, then holds at about 26. Thats overboosting, and i took it out immediately. I have no clue why this happens.
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Originally Posted by Neuspeed06
(Post 4713408)
This is weird, because i have the FORGE MBC and it came with the hard spring and soft spring. With the soft spring in, i can only boost to 20psi. Whats weird is that when i put the hard spring in, it spikes to 30psi, then holds at about 26. Thats overboosting, and i took it out immediately. I have no clue why this happens.
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