loosing boost under load?
#1
loosing boost under load?
hey guys, i been running a civic w/single cam non v-tech out of a 98 civic. running a 14b turbo. have it tunned to crome
and 10psi. when my waste gate opens at 10psi at high rpms the boost tappers down to 6 or so. no air or boost leaks.
could my exhaust be the cause? stock w/hollowed out cat....... thanks for your help
and 10psi. when my waste gate opens at 10psi at high rpms the boost tappers down to 6 or so. no air or boost leaks.
could my exhaust be the cause? stock w/hollowed out cat....... thanks for your help
#3
Re: loosing boost under load?
I'd bet dollars to donuts that your hotside is cracked on that 14b and you're losing your boost through that. The 14bs' ALWAYS crack right around the flapper and once it gets bad enough they can't hold boost for ----.
#4
Re: loosing boost under load?
Originally Posted by crx2211
I'd bet dollars to donuts that your hotside is cracked on that 14b and you're losing your boost through that. The 14bs' ALWAYS crack right around the flapper and once it gets bad enough they can't hold boost for ----.
tru dat nig!!! didnt even see that it was a 14b
#5
Re: loosing boost under load?
This guy has the same problem, check his thread: https://www.homemadeturbo.com/forum/...?topic=83833.0
#6
Re: loosing boost under load?
Originally Posted by crx2211
I'd bet dollars to donuts that your hotside is cracked on that 14b and you're losing your boost through that. The 14bs' ALWAYS crack right around the flapper and once it gets bad enough they can't hold boost for ----.
#7
Re: loosing boost under load?
Well give it a shot...... this isnt www.whatifididthis.com its HMT BITCH
#9
Re: loosing boost under load?
Originally Posted by ryan2l
Can the cracks be welded or is it new turbo time? He has a spare turbo that also has cracked hotside we were thinking of welding the cracks and swapping it over.
Another bonus is that all the new Evo III exhaust manifolds and turbo housings have a new tough *** cast that is high in nickle and resists cracking much better than the old casts (which take alot more work to port, BTW).
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