help with turbo problem

hi guys, i need some help with my 93 turbo. I got a ct20b turbo to replaced my stock. and it was boosting to 11 lb ,then i replace my exhaust with tko system with a downpipe. and i boost to 15 lb i don't know why, but i was quick so i was glad. i drove it for a couple fo months, now its not boosting to 15 anymore only to 11. when it went to 11 it try to boost more but seems like its kinda bogging or jerking so it won't go. some please tell me what the problem is. could it be the stock boost control? or do i need to get it tune?

If you open up your exhaust you are going to be able to make more boost - hence the 15 psi.

If you are bogging or jerking, I would first suggest getting new TOYOTA cap, rotor, wires and some NGK copper plugs. ... unless you recently have done these tune up parts.

hey jeff, any hints on getting a plug out if it just won't come?

since it's been off the road for a month i've had penetrant sitting in there to try and soak in but even that hasn't helped.

I've never heard of a plug not coming out ... it will not turn at all? :(

I've never heard of a plug not coming out ... it will not turn at all? :(

nup... not at all! two were easy, one was difficult... can't get the last one out.

its a platinum and not due for about 15000miles yet and still firing so ok for now, but still....

hopefully in next 15k or so will have gotten the new engine ready...

try warming up the engine (letting the head expand) and loosening it. make sure you install when the engine is cold though. and use anti-sieze for chrissakes! :)

wasn't sure if warming it up would expand the hole or expand the plug... or mean the threads might strip... and yeah if i ever get the thing out i'll teflon coat the next one!