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Progress Thread Progress Thread- From6to8's 1994 Cobra Supercharger install

  • Thread starter Thread starter from6to8
  • Start date Start date Sep 25, 2025
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from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
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Oct 3, 2025
#161
  • Oct 3, 2025
  • #161
gkomo said:
Yes per the instructions the FMU goes to the vacuum tree B/R port.

@from6to8 good idea on wrapping the line that’s something I could do too.
Click to expand...
What size injectors are you running again? And @Noobz347 so I have 42's that's for my 95's 331 build but I might actually run an S/C as well with the 331.

About to do some research on 42's with a S/C because I know I've read where some guys have ran them. I'll expect around 340-350 N/A with the 331 and with the blower maybe around 475-500. I'd rather run the 42's with the 94's S/C setup since the expected hp will be around 415's or so.

Thoughts?
 

gkomo

now i can hopefully expect to receive the shaft
Aug 2, 2024
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San Diego, CA
Oct 3, 2025
#162
  • Oct 3, 2025
  • #162
from6to8 said:
What size injectors are you running again?
Click to expand...
Stock 19#’rs for now.
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
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Oct 3, 2025
#163
  • Oct 3, 2025
  • #163
gkomo said:
Stock 19#’rs for now.
Click to expand...
I think I read where some people actually ran the stock ones with a blower. So I should be fine with the 42s but I'm going to do a little more reset when I get back to work
 

gkomo

now i can hopefully expect to receive the shaft
Aug 2, 2024
2,162
1,411
133
San Diego, CA
Oct 3, 2025
#164
  • Oct 3, 2025
  • #164
from6to8 said:
I think I read where some people actually ran the stock ones with a blower. So I should be fine with the 42s but I'm going to do a little more reset when I get back to work
Click to expand...
Its only fine because 1. i'm running a FMU which ups the pressure to the injectors, kind of like 'overdriving' the injectors and 2. i'm just running minimal boost anyways.

If i add more MODs (heads/cam/intake, power pipe, MAF, TB, etc) my current setup wouldn't work.
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
94
Oct 3, 2025
#165
  • Oct 3, 2025
  • #165
gkomo said:
Its only fine because 1. i'm running a FMU which ups the pressure to the injectors, kind of like 'overdriving' the injectors and 2. i'm just running minimal boost anyways.

If i add more MODs (heads/cam/intake, power pipe, MAF, TB, etc) my current setup wouldn't work.
Click to expand...
Oh yeah that's right I forgot that's how and what the FM do, makes sense LOL
 

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
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Oct 3, 2025
#166
  • Oct 3, 2025
  • #166
from6to8 said:
What size injectors are you running again? And @Noobz347 so I have 42's that's for my 95's 331 build but I might actually run an S/C as well with the 331.

About to do some research on 42's with a S/C because I know I've read where some guys have ran them. I'll expect around 340-350 N/A with the 331 and with the blower maybe around 475-500. I'd rather run the 42's with the 94's S/C setup since the expected hp will be around 415's or so.

Thoughts?
Click to expand...

They work for me.


More folks are about running larger injectors these days but there are more choices too.

It wasn't that long ago that running 60+ lb injectors required a high impedance driver.
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
94
Oct 3, 2025
#167
  • Oct 3, 2025
  • #167
Noobz347 said:
They work for me.


More folks are about running larger injectors these days but there are more choices too.

It wasn't that long ago that running 60+ lb injectors required a high impedance driver.
Click to expand...
gotcha, gotcha.
 

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
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#168
  • Oct 3, 2025
  • #168
from6to8 said:
gotcha, gotcha.
Click to expand...

If you have 42s. I would run them.

I [highly] doubt that your combo is going to need more than that and I only say that because I know my combo is "close" at the very top.
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
94
Oct 3, 2025
#169
  • Oct 3, 2025
  • #169
Noobz347 said:
If you have 42s. I would run them.

I [highly] doubt that your combo is going to need more than that and I only say that because I know my combo is "close" at the very top.
Click to expand...
makes sense to me definitely lol. What are you making at the wheels again?
 

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
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#170
  • Oct 3, 2025
  • #170
from6to8 said:
makes sense to me definitely lol. What are you making at the wheels again?
Click to expand...
460/480 at the wheel.

It's been a while but I [do] recall putting a notch or two in the Boost-A-Pump to bring the duty cycle [down] on the dyno.

That parts themselves though, are up to the task at your predicted power level. No problem.
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
94
Oct 3, 2025
#171
  • Oct 3, 2025
  • #171
Noobz347 said:
460/480 at the wheel.

It's been a while but I [do] recall putting a notch or two in the Boost-A-Pump to bring the duty cycle [down] on the dyno.

That parts themselves though, are up to the task at your predicted power level. No problem.
Click to expand...
cool all good.

Now I have to research rather a bypass valve comes with the UPR boostmaster pipe as in a thread from 2011 someone said it didn't. If if doesn't, I gotta see about getting one I guess lol
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
94
Oct 3, 2025
#172
  • Oct 3, 2025
  • #172
well looks like you the S/C kit comes with the bypass valve so I should be good
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
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Oct 28, 2025
#173
  • Oct 28, 2025
  • #173
@Noobz347 @AeroCoupe ect, what have you learned or read about using an electric boost/vac gauge? I love the price and looks of the Glow shift digital but they only have a digital gauge in electric. Still reading up on what folks think and actually talking to a rep at glow shift he said the electric one should actually be more accurate.
 

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
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#174
  • Oct 28, 2025
  • #174
I've seen them before but I've not owned one.

I'm the guy that looks for analog gauges.

I cannot confirm or deny the seller's accuracy claims however, when you're actively driving you're only looking for things to 'act' correctly.

After that, it becomes a matter of what you like the look of.
 
Reactions: from6to8

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
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#175
  • Oct 28, 2025
  • #175
If I was going to get one it would be with a stepper motor. Just more accurate.

https://www.autometer.com/2-5-8-boost-vac-30-in-hg-30-psi-fse-ul.html
 
Reactions: from6to8

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
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Nov 7, 2025
#176
  • Nov 7, 2025
  • #176
AeroCoupe said:
If I was going to get one it would be with a stepper motor. Just more accurate.

https://www.autometer.com/2-5-8-boost-vac-30-in-hg-30-psi-fse-ul.html
Click to expand...
@Noobz347 and @AeroCoupe looking at meters I'm going to have to go with an SCT BA 2600 90 mm because the Pro M's it seems well LMR definitely doesn't carry them and even folks on fb were talking about how hard it is to get a hold of Pro M. I even had Beekcake racing reach out to them and they weren't able. So I will just go with the Sct and my question is, since I'm getting a tune would any sct ba 2600 for any vehicle lets say a lightning or even if it was one for the 03-04 Cobra, would it work for my application?
 

Noobz347

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#177
  • Nov 7, 2025
  • #177
Yes. So long as you have a good transfer function to go along with it.

You do not need a meter that calibrated to any particular ECU or injector if you are digitally tuning.

Make sure you are getting a meter that is the correct: Inlet side MAF or outlet side MAF depending on your setup. I believe the Procharger kit uses an inlet side MAF and not a blow-through.
 
Reactions: from6to8

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
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Nov 7, 2025
#178
  • Nov 7, 2025
  • #178
Just get a 90mm Lighting MAF. Go on car-part.com and buy a couple so you have a spare. A good tuner will already have that transfer function and the OEM stuff is super accurate.
 
Reactions: from6to8

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
94
Nov 7, 2025
#179
  • Nov 7, 2025
  • #179
AeroCoupe said:
Just get a 90mm Lighting MAF. Go on car-part.com and buy a couple so you have a spare. A good tuner will already have that transfer function and the OEM stuff is super accurate.
Click to expand...
Or this?
 

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from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
94
Nov 7, 2025
#180
  • Nov 7, 2025
  • #180
AeroCoupe said:
Just get a 90mm Lighting MAF. Go on car-part.com and buy a couple so you have a spare. A good tuner will already have that transfer function and the OEM stuff is super accurate.
Click to expand...
Any particular year range lightning?
 
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