Frankenstang- The Tuning [M112 Eaton custom blower build]

a91what

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#1
So i figured since I was tuning the newest combo i would share the experience with all of you, This will be my first attempt at tuning a MAF setup from start to finish.
The car is already running and idling in closed loop with the ign timing locked out in TS at 15*, I must still verify timing with a light.

The combo is as follows.
-306CID SBF with Stock crank and rods, DSS street forged pistons, total seal TS-1 gapless rings.
-GT 40 heads with port work and 2.02, 1.6 valves
-custom intake manifold with adapter for a M112 blower pulled off a wrecked XKR Jaguar
-I had to make the adapter and the inlet plenum for the blower
-BBK fuel rails with 47lbhr FORD racing injectors
- Ignition system is handled as wasted spark using a custom trigger wheel setup and coil packs from a early 2v 4.6

This build utilizes a heavily modified DIYPNP with semi sequential injection and ignition mods... I also have a JBperf. Tinyixo handling all the IO for the fans/wmeth/pwm outputs ect since the microsquirt card was fully taxed by the mods. the tiny io and the microsquirt talk over canbus.

I will attach a copy of the tune i am working with along with the first datalog of the car running on MAF.
20180715_150309.jpg
 

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Jun 28, 2018
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#3
This has nothing to do with tuning, but I absolutely love the look of that Eaton sitting on top of a pushrod 5.0! I'm going to have to find your build thread. Had a Kenne Bell a few years back, always thought it'd be cool to fab up an Eaton on one.
 

stanglx2002

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#4
This has nothing to do with tuning, but I absolutely love the look of that Eaton sitting on top of a pushrod 5.0! I'm going to have to find your build thread. Had a Kenne Bell a few years back, always thought it'd be cool to fab up an Eaton on one.
Its in his signature
 

a91what

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#5
the thread link is in my signature if you are on a phone turn it sideways to see the sig under my post
 

a91what

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#7
Well guys i dont have any video of the first drive but i do have a datalog!! when looking at the log keep in mind all the ignition and AFR fields are referenced off of MAP, MAF only does fuel.
I made 7.5 lbs of boost during this pull, this was with the stock fox crank pulley. I have a bronco pulley that should add 3-4psi.
lots of things are not enabled yet, [w/meth, pwm solenoid for meth, boost bleed solenoid (controls rate of boost onset)]
these are all off to make sure everything works as intended.
 

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a91what

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#8
Did some searching and on the HP tuners site alot of guys say the HP is fairly close to the MAF g/sec.
on an engine dyno a PD blower engine usually makes (MAF g/sec)*(1.1) at the flywheel.
this rough estimate says i have 380hp at the flywheel or 326 at the tire.
This seems like a fun way to guestimate HP.
 

a91what

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#9
Took the car out yesterday for a short drive and figured i would share the datalog.
Dont read much into the idle valve pwm... it does not seem to be doing much, this will require troubleshooting.
 

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a91what

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#10
Today i have for you a datalog with a working speed sensor input on the DIYPNP using a timer circuit from the tinyiox. You will find the field in the datalog under tiny:vehiclespeed
I have a few other added sensors as well but they are currently in the planning stages.
 

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a91what

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#11
Back from the dead it is.... I'd use a blow through slot style maf. I bought a lightening m112 to install on an older project. Guy stopped making intake (disappeared) ... So I've got this rebuilt supercharger and no way to put on the car.
Did you mean to post in my tuning thread? This car is already fully operable, the kit Joey came up with was a joke at best.
 

wiseguyk

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#13
Lookin good Steve! :nice:

So, the logic you wrote to "interpret" these inputs convert the signals from the sensors into MPH and PSI? Was the oil pressure easier than the VSS to figure out?
 

a91what

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#14
Much easier, this was really simple you just use the custom channel editor. The vss input was non-standard as I am using the tinyiox and a timer input for that.. If this was as MS3 and not a Microsquirt it would have been very simple.