R.E.D

This how it looks like.the big belt is missing in this image.the belt shreds from the inside part (where arrow for number 4 is pointing)

 the first two sets of belts I bought since Monday were a combination of Pai brand and gates.today I bought original bulldog parts and same result.i just caught it earlier

4 minutes ago, JoeH said:

To clarify, as I'm not real familiar with CV's, the thin belt is to the air conditioner from the fan? Separate from the serpentine belt? 

Take the  belt off the AC for a day (driver will hate me) and see if the serpentine belt holds up. AC is a creature comforts, not mandatory. Engine water pump and fan spinning are mandatory.

The cv uses two belts.wide belt only goes from crankshaft to fan pulley and is has it's own tensioner.the thin belt runs the water pump , alternator , ac compressor and it goes thru an idler pulley and it's driven by the fan pulley .so just undoing the ac would render the belt two long 

I thought of that but the small belt isn't connected to the crankshaft.it uses power from the fan pulley.and the small belt is the one that rips first then it takes the other with it once it wraps itself around it

Not sure if it's worth mentioning , but it seems like this started happening since the fan is kicking on more often due to high temps in texas.i bought the truck in October of last year and this is it's first southern summer.

When I replaced the tensioner on top ,the dowel that holds it from rotating was sheared off.i thought this was the problem.but just after a few miles with the new components the belt shredded one of the grooves .

Replaced both tensioners and belts .drove truck 10 miles and the thin belt is already starting to shred.nothin seems to be rubbing

Will do.a/c is running good..

Hello fellas.i have changed belts twice today on the truck.they keep popping off.seems to me like the thin belt is the one with the issue but once it goes it takes The other one with it.everything seems to be aligned as far as pulleys goes except for the tensioner that is bit off center.could this cause it to pop off? bearing on all pulleys seem to be in good shape.please advice .

Thanks 

RED

Thought so.im at 9b now and wondered if I would need to ask for both software updates when all parts were installed in the truck.now just need to find a willing dealership to do my hp upgrade.

Thanks

Is the 12b flash needed even when upgrading from 370hp to 427hp?

That's great.i change all filters every 10k miles .I'll be removing this system , less clutter in the engine bay.

So I go to change the oil for the first time on my new to me granite dump.i notice that it has one of those Ops eco pure oil bypass filters.im guessing previous owner installed it to keep oil cleaner since these Ami engines are so dirty.Has anyone here had any experiences with these systems?what kinda oil change interval can I expect?I looked at the prices for Ops filters and they are like 40$ a pop.i wonder if any other brand would work or if the ops system only uses ops filters.please advice .thanks in advance .

Red

6 minutes ago, LilMartian said:

Gotcha and by the way, the wastegate part number you want is 172743. If the one you found online is the 171702 p/n, that is a non waste gate turbo. Get your vecu to 12b , 380P4 , which is for throttle response, won’t do anything for engine power but does help somewhat with tps reaction and if the person that is doing the programming is an older Mack “mechanic “, ask him if he knows Mr. Frank in tech support, if so, he might be able to get them to change the engine files as well. ( I didn’t say that out loud) good luck and keep me posted, just curious on how it helps. 

Thank you for your insight.i believe it is a wastegate model (see picture at the beginning of this post) since it has the signal line from the cold side of the turbo to the wastegate actuator.i will post more pics Saturday when I pick it up.

6 hours ago, LilMartian said:

Since it’s an AMI, yes sir and will(if you haven’t already) mount up with no problems, make sure the waste gate works and please let me know how it does with your 370 hp,please, oh please!!!! I know of some ASET AC engines that have been changed a slight bit and that turbo was used, on one perticular one who had been getting passed by a KW CAT3406, the comment that he sent to my buddy in a text was “ HERE KITTY,KITTY !!!!” You may not have the same results as him,but it should help a pretty good bit!!! Good luck

From the research i have done so far , i believe the wastegate is set to 35psi but I will confirm this when I bolts it up and have the vecu upgraded to the step 12b .I ain't looking for crazy horse power or even to tame any kitties , just want the bulldog to act like a bulldog not like the Chihuahua it is now😁

18 minutes ago, 880joe said:

There have been several posts about using bigger injectors and detroit turbo but when I went to checking on the turbo the first thing they want to know is a part number they are several different ones but I have yet to see a actual part number. Detroit turbos on eBay for 400 dollars and up just knowing which one to buy is the big question

I'll probably buy it anyway since I can probably re sell to any Detroit guy at my yard.i will post part number.

2 hours ago, fullfuel01 said:

I cant get enough fuel to make all the boost it should. 30psi was the max with non stock injector and still a lazy dog. I have been trying to find someone that can trick the ecm without luck. I also try to get bosch pump that supply more fuel with the same pulse. If you don't have a Cat, no one want to touch or know how to improve it..

What's your mpg with your current set up.I gross 64000 and can't get better than 5.35 mpg with 4.42 and 11r22.5.I reckon even if it lags, that Detroit turbo will make it breathe better than that wimpy s300.

I know I seen a post here of someone running aftermarket injectors with a 60 series turbo and they were happy with their set up.i just wanted to make sure since the turbo is at such a good price .

On 1/8/2019 at 9:39 AM, fullfuel01 said:

it seems they do good on E7 pre etech engine (vmac1) I have on on my etech and it's too big, I guess it wouldnt work good on a ami either. I will retrofit to a non wastegate 460 turbo.

Whats the problem with your current set up?Is it taking too long to build boost?is your truck stock ?I would think that with aftermarket injectors and a good flowing exhaust it should work .

Im not sure about the model of   this particular turbo since the seller can't seem to find the tag , but I thought 60 series used a s400 model that just like mack 400 427 460?

Hello guys,

I began sourcing out parts for my granite in order to change turbo , exhaust manifold and exhaust piping .I just found a good deal on what looks to be a mechanical wasgated Detroit 12.7 turbo that's too good to pass up.i want to know if it'll work good on my granite with upgraded injectors.i know it wouldn't be a direct fit , but as long as the exhaust flange bolts up I can take care of the turbo to intercooler piping.

Thanks

Red

Hello guys.first and foremost happy holidays to everyone.

I recently purchased a new to me 04 CV with Ami 370.it came with standard dash without pyro and boost gauge and I'm itching to add them.i bought a dash online that came with the pyro but no boost gauge.would like to know what is needed besides the thermocouple to make the pyro gauge work in my truck.Does it need to reflashed at mack in order to make the gauge work.also can anyone provide part number for boost gauge so I can drop by the local mack dealership and pick one up.

Thanks

Red

I could also trade for a 18 foot dump truck body and steerable pusher axles.

Selling 96 Rd. 

350hp mechanical 

10 speed Eaton Fuller (overdrive)

4.17 ratio on Camelback suspension

20k front axle 

20k Pusher axle

Cold a/c 

Dump body vibrator

Truck works every day.selling in order to buy longer wheelbase truck that can carry more payload. 16500 or best offer.

Thanks 

RED