Paul
Isuzu Baby
Posts: 42
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Post by Paul on Aug 7, 2005 19:49:49 GMT 11
An item probably covered already; but still of interest to most.
My 3.1 td sounded a bit 'constipated', so upon checking, I found the exhaust butterfly stuck on, about 45% across the pipe. Lack of lube, due to the fitting being covered by a protective cover. Slick 50 sorted that out, now the truck sounds as it should. Power is back up, and economy normal...
Paul. ( my 'real truck' is a Mack).
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Post by Graham on Aug 7, 2005 23:38:20 GMT 11
Hi Paul,
can you give directions to where this restrictor is? I'd like to check mine to make sure it is not stuck as well, especially since fuel economy isn't as good as when I first got the MU.
Cheers, Graham.
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Paul
Isuzu Baby
Posts: 42
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Post by Paul on Aug 8, 2005 6:51:35 GMT 11
Graham; Restrictor is in the area of the gearbox cross-member, left side. Cover held in place with 2x 10mm bolts. Butterfly spindle has 14mm nut on shaft.
Check vacum rod allows shaft to rest on stop bolts.
Slick 50/ CRC/WD40 etc will ease if stuck. Paul..
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Post by geeves on Aug 8, 2005 18:22:41 GMT 11
Word of note. On the 2.8 engine this is directly below the turbo housing. Also unless you live somewhere truely cold. (need to fit chains to get to work more than twice a year ) the whole thing can be removed although I belive someone was looking into how to convert one of these into an effective exhaust brake.
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Paul
Isuzu Baby
Posts: 42
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Post by Paul on Aug 8, 2005 19:36:53 GMT 11
Good point,re using the system as exhaust brake. Must be a way. Next project coming up.. >:(Paul.
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Post by skooda on Aug 8, 2005 22:41:47 GMT 11
I made mine into an exhaust brake a while ago. I used one of the vacuum solinoids from the polution gear to activiate the valve through a push button switch i fitted to the center console.
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Post by geeves on Aug 9, 2005 16:54:37 GMT 11
How much differance does it make? Is it a worthwhile mod?
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Post by skooda on Aug 9, 2005 19:50:23 GMT 11
It works well when going down hills. I sometimes tow my race car with my MU and its a nice thing to have just in case. I found it didnt work aswell untill i blocked off my egr valves rather than just disable them. The higher the rpm and the shorter the gear ratio the better it works.
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JaSiN
Isuzu Junior
96 Grey Mu + Plenty of Mods + Plenty more to come!
Posts: 139
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Post by JaSiN on Jun 4, 2007 19:00:41 GMT 11
but honestly, does it sound good?
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Post by skooda on Jun 30, 2007 16:34:46 GMT 11
It doesnt sound to much different. nothing like a compresion brake on a truck.
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