Bigjohn4300 Posted September 26, 2019 Share Posted September 26, 2019 Drivetrain is in excellent shape, 157k, conservatively operated and well maintained for 110k of that, will the 375 file and injectors eliminate the 4-6 seconds of lag on initial takeoff? I really want to get that gone, makes pulling out in some situations really sketchy! Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-432905 Share on other sites More sharing options...
Mack Technician Posted September 27, 2019 Author Share Posted September 27, 2019 10 hours ago, Bigjohn4300 said: will the 375 file and injectors eliminate the 4-6 seconds of lag on initial takeoff? No guarantees it would be eliminated. It’s all pioneering. The only people Christopher Columbus refused to sell life insurance to were the folks willing to get on his ship. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-432922 Share on other sites More sharing options...
The Burren Posted September 27, 2019 Share Posted September 27, 2019 (edited) On 9/23/2019 at 10:19 PM, Bigjohn4300 said: Ok, so ive been saving my nickles to do the 5 inch exhaust(my local truck pro can get them, has already quoted), exhaust manifold, K&S injectors and 400 turbo, but i just read something that concerns me, if my local dealer has the "Grey Motor Amnesia", does that mean that installing the parts wont help? Or just that it would run better if it had the dealer tune it after? Just curious, if there was a way to convince the engine brain that the engine had boost, say 10 lbs or some low number like that, by fooling the boost sensor/manifold pressure sensor electronically, would that allow more fueling earlier? Maybe allow the actual boost to build quicker, minimizing the low end lag? Maybe a resistor or something in the circuit? Im not interested in rolling coal, just thinking aloud Called 3 places today asking for quotes for the front and rear pipes: 1. Carolina International Trucks, Florence SC 2. FleetPride, Wilmington NC 3. Truck Pro, Charleston SC **Carolina International Trucks — called back within 15 mins best price by far 843-468-9560 $250.00 FRONT MK-41112M2-5 $260.00 REAR MK-5110A-5 Fleetpride out of Wilmington NC came back with a quote of $305.00 FRONT $325.00 REAR. PLUS FREIGHT CHARGES TruckPro never called back Edited October 11, 2019 by The Burren 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-432958 Share on other sites More sharing options...
Bigjohn4300 Posted October 4, 2019 Share Posted October 4, 2019 MK 51105a-5 $331+tax MK 41112M2-5 $315 +tax M-132 direct fit muffler $127 +tax these prices are delivered to the baton rouge Truck Pro 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433322 Share on other sites More sharing options...
The Burren Posted October 11, 2019 Share Posted October 11, 2019 (edited) On 10/3/2019 at 10:13 PM, Bigjohn4300 said: MK 51105a-5 $331+tax MK 41112M2-5 $315 +tax M-132 direct fit muffler $127 +tax these prices are delivered to the baton rouge Truck Pro Your rear pipe number is different than mine.? I went off this The custom Grand Rock, CV713, single run, exhaust part numbers are as follows: MK-41112M2-5, 5" 2-BEND W/BELL FLARE & PYRO; ALZ (front pipe) MK-5110A-5, 5" 4-BEND W/LIST & WELDS OD/OD; ALZ (rear pipe) My Mack Dealership prices, w/mark-up, are as follows: $206.99 front pipe $221.03 rear pipe Edited October 11, 2019 by The Burren Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433706 Share on other sites More sharing options...
Mackpro Posted October 11, 2019 Share Posted October 11, 2019 As far as the “Turbo “ pipe ( pipe coming off the turbo) The very first CV’s with regular ETECH’s ( very few made) their pipes were 5” in diameter all the way down under the cab to where they necked down to 4” where the flex pipe slid on . On the CV’s with the AI engines, the turbo pipe necked down to 4” right behind the turbo. The original ETECH pipe is still available through Mack and will fit the CV’s with the AI engine but is really tight. I used this pipe for a buddy’s 2005 CV and chopped off the 4” necked down part and did a full 5” flex and fab’ed up some elbows to a full flow 5” in/out muffler. We experimented with some software (. 427 Australia file) along with the exhaust but he sold the truck before we could see if it helped the performance. Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433712 Share on other sites More sharing options...
The Burren Posted October 11, 2019 Share Posted October 11, 2019 Headed to pick up my pipes. I hope the numbers I used were correct Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433731 Share on other sites More sharing options...
Mack Technician Posted October 11, 2019 Author Share Posted October 11, 2019 9 minutes ago, The Burren said: Headed to pick up my pipes. I hope the numbers I used were correct I think the odds are in your favor since yours matches mine and mine are installed. Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433734 Share on other sites More sharing options...
The Burren Posted October 11, 2019 Share Posted October 11, 2019 My 70 mile 1 way trip is going to be so much nicer now. Don't know where big John got that extra 5 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433735 Share on other sites More sharing options...
The Burren Posted October 11, 2019 Share Posted October 11, 2019 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433756 Share on other sites More sharing options...
The Burren Posted October 11, 2019 Share Posted October 11, 2019 Forgot to take an actual picture of the pipes... but they looked perfect, and HUGE compared to the stock ones. Here's the exhaust I got for 200.00 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433757 Share on other sites More sharing options...
Mack Technician Posted October 11, 2019 Author Share Posted October 11, 2019 (edited) 9 hours ago, The Burren said: WHAT? No broken studs? Those two old ones are going to start bothering you....better crank on em! 😉 Did you take Mackpro's cue on replacement of the rocker shaft bolts? They have a history of snapping and killing the camshaft. Be easy to R&R one at a time. Edited October 12, 2019 by Mack Technician Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433759 Share on other sites More sharing options...
The Burren Posted October 11, 2019 Share Posted October 11, 2019 2 hours ago, Mack Technician said: WHAT? No broken studs? Those two old ones are going to start bothering you....better crank on em! 😉 Did you take Mackpro's cue on replacement of the rocker arm bolts? They have a history of snapping and killing the camshaft. Be easy to R&R one at a time. Wait a min.. where was that Cue on rocker arm bolts... Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433771 Share on other sites More sharing options...
Mack Technician Posted October 12, 2019 Author Share Posted October 12, 2019 (edited) 7 hours ago, The Burren said: Wait a min.. where was that Cue on rocker arm bolts... There is a service bulletin out there to replace the bolts for breaking.....It lists that its for ASET AC, but they apparently were breaking on AI and AC...... SB213043.pdf Edited October 12, 2019 by Mack Technician 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433790 Share on other sites More sharing options...
The Burren Posted October 12, 2019 Share Posted October 12, 2019 Got it. Ill call the dealer Monday and try to get the new rocker arm bolts. Thanks! Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-433792 Share on other sites More sharing options...
The Burren Posted October 19, 2019 Share Posted October 19, 2019 (edited) K&S injectors installed YTS Turbo in exhaust manifold on New rocker shaft bolts Dual 4” pipes replaced with 5” Grand Rock exhaust and M-132 muffler mounted Doing king pins tomorrow morning Still need a pyro, but for now I’m just going to plug it up. All in all coming along AWESOME! Who’s thread is this again? I’m sending you a beer. Edited October 19, 2019 by The Burren 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434139 Share on other sites More sharing options...
Mack Technician Posted October 19, 2019 Author Share Posted October 19, 2019 (edited) 10 hours ago, The Burren said: K&S injectors installed YTS Turbo in exhaust manifold on New rocker shaft bolts Dual 4” pipes replaced with 5” Grand Rock exhaust and M-132 muffler mounted Doing king pins tomorrow morning Still need a pyro, but for now I’m just going to plug it up. All in all coming along AWESOME! Who’s thread is this again? I’m sending you a beer. Lol, while you have it stripped for kingpins you better add an extra leaf to the front right spring to support that turbo, we don’t want to create a lean!! Careful about running with no pyro, it’s your insurance policy against a blue turbo. Old Milwaukee. Edited October 19, 2019 by Mack Technician Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434149 Share on other sites More sharing options...
The Burren Posted October 19, 2019 Share Posted October 19, 2019 13 hours ago, Mack Technician said: Lol, while you have it stripped for kingpins you better add an extra leaf to the front right spring to support that turbo, we don’t want to create a lean!! Careful about running with no pyro, it’s your insurance policy against a blue turbo. Old Milwaukee. Ha, Old Milwaukee.. no surprise there;) I remember drinking many a Milwaukees Best... A year supply headed your way! 10-4 on the pyro! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434168 Share on other sites More sharing options...
brettj3876 Posted October 25, 2019 Share Posted October 25, 2019 What's the specs on the turbo you got? Looks like it will flow a ton better and keep egt's in check Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434521 Share on other sites More sharing options...
The Burren Posted October 27, 2019 Share Posted October 27, 2019 On 10/25/2019 at 12:47 PM, brettj3876 said: What's the specs on the turbo you got? Looks like it will flow a ton better and keep egt's in check Mack Tech pointed me to this thread I ended up using his same turbo which I believe was a borg warner S467 with a billet wheel. Its a little bigger than the s300 and definitely spools earlier and flows nicely. Im no expert but the larger exhaust manifold and GR pipes in conjunction with the turbo and injectors from K&S have really made this truck a pleasure to drive 2 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434575 Share on other sites More sharing options...
terry Posted October 27, 2019 Share Posted October 27, 2019 Nice to hear somebody got a good combination together! terry Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434615 Share on other sites More sharing options...
brettj3876 Posted October 30, 2019 Share Posted October 30, 2019 (edited) On 10/27/2019 at 12:05 AM, The Burren said: Mack Tech pointed me to this thread I ended up using his same turbo which I believe was a borg warner S467 with a billet wheel. Its a little bigger than the s300 and definitely spools earlier and flows nicely. Im no expert but the larger exhaust manifold and GR pipes in conjunction with the turbo and injectors from K&S have really made this truck a pleasure to drive How much boost you pushing with that s467? On our 93 with the S475 (171702) we see 42 psi. Have you considered getting the blixxton 200? We have on the 99 460 E-tech and boy it brought that baby to life. Edited October 30, 2019 by brettj3876 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434784 Share on other sites More sharing options...
OldRedMack Posted October 30, 2019 Share Posted October 30, 2019 I have hit 46psi with this turbo, on the 370hp tune. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434827 Share on other sites More sharing options...
Mack Technician Posted October 30, 2019 Author Share Posted October 30, 2019 31 minutes ago, OldRedMack said: I have hit 46psi with this turbo, on the 370hp tune. The only thing a guy can add to that level of engine performance is disappointment! 1 Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434830 Share on other sites More sharing options...
The Burren Posted October 30, 2019 Share Posted October 30, 2019 22 minutes ago, Mack Technician said: The only thing a guy can add to that level of engine performance is disappointment! My feelings exactly. That and What the #%$$%^! Quote Link to comment https://www.bigmacktrucks.com/topic/50251-mack-ai460-ai427-ami-low-torque-low-horsepower-poor-fuel-mileage-granite-dead-dog-remediation/page/7/#findComment-434833 Share on other sites More sharing options...
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