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Post by turbo89ford on Oct 24, 2009 16:09:49 GMT -5
what are your plugs gapped at i run mine tight at 28 and it doesnt break up on me at all you could probly go 29-30 and make sure the hose before the turbo isnt contracting and check the turbo to make sure the fan isnt sloppy...
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Post by sleepinsol on Oct 25, 2009 17:54:42 GMT -5
plug gap is fine. i think its at 30 which is what it says for my psi of boost on stingers site. hose on the turbo was replaced. turbo itself is in good condition.
updated: new boost gauge on. did the 10 psi test, and it hits 10 psi at 2600-2700 rpm on the new gauge from an 1800 rpm roll in 3rd gear. both gauges read accurate at full boost though. the stock one never got over 15 psi, and neither did the other one. so, i cranked up the boost on my gillis. its almost completely screwed in. i probably have another turn left in it, but it now makes 17-18 psi. the stock gauge reads about that as well.
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Post by Stinger on Oct 26, 2009 9:51:38 GMT -5
That sounds pretty close to where it should be reaching 10psi. I would guess it still builds it faster when the actuator is bypassed completely. You can try running it that way and see how much boost it runs...if it's still only 18psi then you can run it that way and not use the gillis. Just be sure to listen for detonation during the test and get off the throttle if it does.
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Post by sleepinsol on Oct 26, 2009 14:33:43 GMT -5
i will give that a try sometime this week. its running good right now so i dont wanna touch anything and have it run worse. thanks again for all of your help!
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Post by sleepinsol on Nov 22, 2009 0:17:13 GMT -5
well i had to order a new boost gauge because the no name cheeapy one i had took a dive on me. it just stopped working. in any event i ordered another one (this time with vac. and boost) and put it in today. the new gauge only read 16 psi from the 1800 roll in 3rd gear, and it still hit 10psi at the same rpm mark as the old gauge. since it wasnt making the boost i want and the gillis was all the way screwed in, i just unplugged it completely and plugged the vac line. now it hits 10psi a couple hundred rpm sooner in 3rd and makes the 18psi i want. thing runs pretty hard for that tiny turbo. however, i did notice that in 1st gear, it never reaches 18psi, and in 2nd gear i barely get there before it falls flat and i have to shift. 3rd and 4th gear its perfectly fine. is there any particular reason for spotty boost by gear? other than that, its running great!
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Post by Stinger on Nov 23, 2009 1:09:02 GMT -5
You're getting less boost in the early gears because 1) you're not in the gear long enough for it to build to max and 2) there is less load on the engine which makes it build boost slower.
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Post by sleepinsol on Nov 23, 2009 14:38:55 GMT -5
that makes perfect since. Since there is less load on the motor in those gears, can I let it rev higher to keep building boost? or should I short shift it? I know the ihi turbo doesnt really like higher rpms and I definitely do not want to damage that....its pretty important and all. lol
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Post by Stinger on Nov 23, 2009 16:33:22 GMT -5
Shifting at 6k in first isn't a big deal...then go 5500 in 2nd and 5000 or so after that...or something similar.
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Post by sleepinsol on Nov 23, 2009 17:15:28 GMT -5
thats just about what i have been doing. if i short shift it in 1st it falls on its face. i havent been going all the way to 6k, but i guess it cant hurt to try it.
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