8.3L Cummins pics and general info
#16
Nah, I seen a few trucks on the internet with the 8.3's and sure enough the p-7100 injector pump is very noticably detected compared to the other style pumps. 6 inline, looks like a mini cummins engine on the side of it, pretty cool.
Really, I dont think its that much weight, its like a heavy winch and bumber on a regular cummins powered truck, but the thing is the weight is not concentrated way up front like a bumber, snow plow, or winch would be. Just behind the tires which would transfer a little to the back. BTW Smokin five, how heavy is the cylinder head you took off the 8.3? Also, a NV5600 would be a good transmission weight saving wise, but Im not so certain about it handling the power and the clutch as well. 1000lb tq at 1400rpm nearly stock is a pretty good amount, now a few bombs its at 1500-1600lbs tq easy.
You know how the 8.3 doesnt have an engine brake like the big rigs, whats the next step up from the 8.3 that does have one? Old that is the ISL is too expensive and new.
Really, I dont think its that much weight, its like a heavy winch and bumber on a regular cummins powered truck, but the thing is the weight is not concentrated way up front like a bumber, snow plow, or winch would be. Just behind the tires which would transfer a little to the back. BTW Smokin five, how heavy is the cylinder head you took off the 8.3? Also, a NV5600 would be a good transmission weight saving wise, but Im not so certain about it handling the power and the clutch as well. 1000lb tq at 1400rpm nearly stock is a pretty good amount, now a few bombs its at 1500-1600lbs tq easy.
You know how the 8.3 doesnt have an engine brake like the big rigs, whats the next step up from the 8.3 that does have one? Old that is the ISL is too expensive and new.
#17
Oh man, well. To get it off the engine at the angle we had to lift it took 3 pretty big guys. That was with the turbo and manifold still on it. Once bare 2 of use could move it pretty well. Of course my 5.9L head I wouldn't ever move without another person either. If I had to guess I'd say 150-200 lbs. As for the NV5600, it's holding 800-1000hp in some of the pulling trucks I've seen, save up for a clutch though.
#18
Wow, thats crazzy it weighs that much. I think the eaton FUller 9 speed vs the NV5600 has some good points and bad points.
NV5600, 1. pricey, 2. needs upgrades to handle power ie cluth, Good points are 1. weighs 300lbs lighter then the eaton which is good b/c the engine now weighs 1500lbs, 2. easy to shift compared to the eaton.
Eaton 9 speed 1. heavy 600lbs, 2. needs a big transmission tunnel to fit, maybe a body lift, 3. Very hard to push the clutch, its all mechanical so a hyrdualic setup would be in order, but I dont know where one big enough would work. Good points 1. can handle 1800lbs tq stock, 2. attianable for a cheap price and its used everywhere.
NV5600, 1. pricey, 2. needs upgrades to handle power ie cluth, Good points are 1. weighs 300lbs lighter then the eaton which is good b/c the engine now weighs 1500lbs, 2. easy to shift compared to the eaton.
Eaton 9 speed 1. heavy 600lbs, 2. needs a big transmission tunnel to fit, maybe a body lift, 3. Very hard to push the clutch, its all mechanical so a hyrdualic setup would be in order, but I dont know where one big enough would work. Good points 1. can handle 1800lbs tq stock, 2. attianable for a cheap price and its used everywhere.
#19
A 910, 913, and 915 roadranger handles 900 foot pounds of torque. A 9509, 9510, 9513 and 9515 is 950 torque. A 12613 is 1200 foot pounds and 13 speeds. And so on, the first part of the number is the torque and the second half is the number of gears. The amount of torque the engine has governs the size of the transmission. The nv5600 would be very undersized, the 9509 would probably hold it ok. The 9513 will hold an old 350 Cummins ok, a Detroit v12 na will strip the teeth off the input shaft after a short time. I would guess that any of them would hold the 8.3 except the 600 series or the 6600 series.
Any of the commercial bell housings would bolt one up, you would need a starter, tunnel room and my understanding is that the stock hydraulic slave cylinder can be modified to work the clutch. I have not done this mod but was told that it can be done. You have a choice of single disk push clutches or double disk pull clutches. I have a single disk against the 3208 Cat that works effectively. The two clutches take a different front housing on the trans.
Any of the commercial bell housings would bolt one up, you would need a starter, tunnel room and my understanding is that the stock hydraulic slave cylinder can be modified to work the clutch. I have not done this mod but was told that it can be done. You have a choice of single disk push clutches or double disk pull clutches. I have a single disk against the 3208 Cat that works effectively. The two clutches take a different front housing on the trans.
#20
Maybe an ISL would be better b/c of the jake brake, but then again the ISL doesnt have a p-7100 pump which is easily upgradable to higher poweroutput. The ISL has the same bore, just longer stroke making it an 8.9L monster, but the appeal to it which the 8.3 doesnt have is the jake brake. Oh how I'd love to drive by residential areas late at night with the jake brake humming away music to my ears and the angry houseowners. lol besides that the 8.3 is just a bigger displacement 5.9 with a whole lot of extra torque. If the 8.3 had a jake brake, It would motivate me that much more to do a project like this. What if the 8.9L jake was installed on the 8.3?
#21
the only thing keeping the jake from working on the ISC is the calibrations , there are none available for the ISC. and the difference from the 8,3 and ISC is almost like the 5.9 and ISB , 12 valve to 24 valve .
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