Modifications
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Diesel Fan
Joined: Jan 2009
Posts: 15
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Modifications
hello all i am new here. i have owned my truck for a while now and have already done some work to it. so far i have 370 injectors, star wheel cranked up, 5" mbrp exhaust, super b special turbo, and a #100 fuel plate on its way. i am not sure what my next step should be. any suggestions?
thanks
thanks
Last edited by alanbickley; Jan 24, 2009 at 11:23 AM.
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Diesel Fan
Joined: Jan 2009
Posts: 15
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i do have gauges, i was told that with the bigger turbo and the injectors that my egts would be a little bit higher than a stock truck, how high is too high for egts?
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i have a 5 inch turbo back mbrp exhaust, how much of a difference would it make to put stacks on my truck verses a conventional exhaust, also is 5 inch too big?
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i have a 5 inch turbo back mbrp exhaust, how much of a difference would it make to put stacks on my truck verses a conventional exhaust, also is 5 inch too big?
Last edited by alanbickley; Jan 24, 2009 at 11:47 AM. Reason: Automerged Doublepost
BOMBARDIER
Joined: Mar 2007
Posts: 23,293
Likes: 1,322
From: North of You
For sustained operation, I would try to stay under 1200 (and that is if the probe is in the exhaust manifold)
Super Moderator
Joined: Jun 2008
Posts: 5,812
Likes: 333
From: puyallup,washington
Also think about changing the governor spring kit to a 3000rpm.Then you'll see another big change in how your truck runs.Also have you had the killer dowel pin dealt with?If not i would seriously recomend fixing it.
Last edited by 97cummins; Jan 25, 2009 at 03:14 AM.
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Diesel Fan
Joined: Jan 2009
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i have no idea what the killer dowel pin is, can you explain?
Last edited by alanbickley; Jan 25, 2009 at 08:23 AM.
Diesel Fan
Joined: Jan 2009
Posts: 82
Likes: 3
From: oklahoma
kdp
cummins used a dowl pin to hold the timing case in place till they put the bolts in, eventually the pin works its way uot into the timing case, if it comes out it could do 3 things
1.) nothing fall into the oil pan and no worries
2.) come in contact with cam gear and the pin will be forced threw the timing case now needing to replace the case averag cost $1200
3.) come in contact with cam causing gear to break off cam casuing everything to F up with valves in the cylanders cost $new cummins
i realy like my 4000rpm gsk. i never go past 3200rpm or so but it fuels harder at bottom end than the 3000 gsk will. if you go past 3200rpm your valves will start float un less you put 60# valve springs in. which you dont need it you dont go over 3200rpm
cummins used a dowl pin to hold the timing case in place till they put the bolts in, eventually the pin works its way uot into the timing case, if it comes out it could do 3 things
1.) nothing fall into the oil pan and no worries
2.) come in contact with cam gear and the pin will be forced threw the timing case now needing to replace the case averag cost $1200
3.) come in contact with cam causing gear to break off cam casuing everything to F up with valves in the cylanders cost $new cummins
i realy like my 4000rpm gsk. i never go past 3200rpm or so but it fuels harder at bottom end than the 3000 gsk will. if you go past 3200rpm your valves will start float un less you put 60# valve springs in. which you dont need it you dont go over 3200rpm
Diesel Enthusiast
Joined: Jan 2009
Posts: 194
Likes: 7
From: New Albany Indiana
kdp
cummins used a dowl pin to hold the timing case in place till they put the bolts in, eventually the pin works its way uot into the timing case, if it comes out it could do 3 things
1.) nothing fall into the oil pan and no worries
2.) come in contact with cam gear and the pin will be forced threw the timing case now needing to replace the case averag cost $1200
3.) come in contact with cam causing gear to break off cam casuing everything to F up with valves in the cylanders cost $new cummins
i realy like my 4000rpm gsk. i never go past 3200rpm or so but it fuels harder at bottom end than the 3000 gsk will. if you go past 3200rpm your valves will start float un less you put 60# valve springs in. which you dont need it you dont go over 3200rpm
cummins used a dowl pin to hold the timing case in place till they put the bolts in, eventually the pin works its way uot into the timing case, if it comes out it could do 3 things
1.) nothing fall into the oil pan and no worries
2.) come in contact with cam gear and the pin will be forced threw the timing case now needing to replace the case averag cost $1200
3.) come in contact with cam causing gear to break off cam casuing everything to F up with valves in the cylanders cost $new cummins
i realy like my 4000rpm gsk. i never go past 3200rpm or so but it fuels harder at bottom end than the 3000 gsk will. if you go past 3200rpm your valves will start float un less you put 60# valve springs in. which you dont need it you dont go over 3200rpm
just thought this would be interesting to add the new housing cover is made differently. the pin cant fall out on the new one. It has a back over the hole. Guess cummins realized they mad a mistake
Last edited by Beets; Jan 25, 2009 at 05:16 PM.
Diesel Bomber
Joined: Jan 2008
Posts: 4,525
Likes: 103
From: Havre mt
kdp
cummins used a dowl pin to hold the timing case in place till they put the bolts in, eventually the pin works its way uot into the timing case, if it comes out it could do 3 things
1.) nothing fall into the oil pan and no worries
2.) come in contact with cam gear and the pin will be forced threw the timing case now needing to replace the case averag cost $1200
3.) come in contact with cam causing gear to break off cam casuing everything to F up with valves in the cylanders cost $new cummins
i realy like my 4000rpm gsk. i never go past 3200rpm or so but it fuels harder at bottom end than the 3000 gsk will. if you go past 3200rpm your valves will start float un less you put 60# valve springs in. which you dont need it you dont go over 3200rpm
cummins used a dowl pin to hold the timing case in place till they put the bolts in, eventually the pin works its way uot into the timing case, if it comes out it could do 3 things
1.) nothing fall into the oil pan and no worries
2.) come in contact with cam gear and the pin will be forced threw the timing case now needing to replace the case averag cost $1200
3.) come in contact with cam causing gear to break off cam casuing everything to F up with valves in the cylanders cost $new cummins
i realy like my 4000rpm gsk. i never go past 3200rpm or so but it fuels harder at bottom end than the 3000 gsk will. if you go past 3200rpm your valves will start float un less you put 60# valve springs in. which you dont need it you dont go over 3200rpm
