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Forced Induction Injector size for supercharger

  • Thread starter Thread starter GreyMare88
  • Start date Start date Feb 22, 2020
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Sparky714

5 Year Member
Oct 16, 2015
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#41
  • Sep 23, 2025
  • #41
Noobz347 said:
Both of you should be looking for sets that are flow matched.
Click to expand...
TREperformance claims theirs are. Anybody ever used their stuff before?
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
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#42
  • Sep 23, 2025
  • #42
Noobz347 said:
Both of you should be looking for sets that are flow matched.
Click to expand...
all new/legit one's aren't? like Siemans, FR ones...
 

Noobz347

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#43
  • Sep 23, 2025
  • #43
from6to8 said:
all new/legit one's aren't? like Siemans, FR ones...
Click to expand...

No. They are all manufactured to a standard but that standard could put one at the top of the scale in the same bank as one at the bottom.

Matched sets will all come with [flow sheets] and are usually grouped with injectors that are within 1-2% of each other.
 

Noobz347

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#44
  • Sep 23, 2025
  • #44
Sparky714 said:
TREperformance claims theirs are. Anybody ever used their stuff before?
Click to expand...

I have not but if you get the flow data with the injectors then you're all set!
 

Noobz347

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#45
  • Sep 23, 2025
  • #45
Our Fuel Injections system is [batch fired]. There no trimming between the cylinders only bank-to-bank.

matched set were made for us. lol
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
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#46
  • Sep 23, 2025
  • #46
Noobz347 said:
I have not but if you get the flow data with the injectors then you're all set!
Click to expand...
going to call them right now and ask if they come with them
 

from6to8

There's suction so I used that end O_O
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#47
  • Sep 23, 2025
  • #47
Gotta wait till 11 eastern they 're in Cali
 

Noobz347

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#48
  • Sep 23, 2025
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I guess it is a bit early for them. hehe
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
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#49
  • Sep 23, 2025
  • #49
Noobz347 said:
I guess it is a bit early for them. hehe
Click to expand...
LOL yep. Just called them and was told they do come with the flow sheets and something else he says they come with
 

Sparky714

5 Year Member
Oct 16, 2015
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North Dakota
Sep 23, 2025
#50
  • Sep 23, 2025
  • #50
from6to8 said:
Gotta wait till 11 eastern they 're in Cali
Click to expand...
Everything I'm finding says their house brand injectors are chinese brand. Lots of poor idle, stuck open reviews, and poor customer service. They do sell genuine Siemens, but all out of stock like everyone else. I think I'll keep looking.
 

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
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Sep 23, 2025
#51
  • Sep 23, 2025
  • #51
Sparky714 said:
Everything I'm finding says their house brand injectors are chinese brand. Lots of poor idle, stuck open reviews, and poor customer service. They do sell genuine Siemens, but all out of stock like everyone else. I think I'll keep looking.
Click to expand...
wow. Just called them and they said they do some with flow sheets. I asked them about the ones that say bosch/siemens and they didn't say out of stock so I'll call back and ask as to if their house brands come with flow sheets. I just googled 60 lbers yesterday and it showed those at their site but i didnt look at others at the site.

But all in all if the reviews are bad I'll definitely not go with a house brand and only want to stick with FR or siemens anyway. Might just have to go FR and use the adapters if can't find siemens or no eta on them coming in. Gotta make sure with the adapters there are no issues as connectivity or coming loose, ect. I read something where some had issues either with the adapters or the pigtails or something
 

Sparky714

5 Year Member
Oct 16, 2015
368
208
73
North Dakota
Sep 23, 2025
#52
  • Sep 23, 2025
  • #52
from6to8 said:
wow. Just called them and they said they do some with flow sheets. I asked them about the ones that say bosch/siemens and they didn't say out of stock so I'll call back and ask as to if their house brands come with flow sheets. I just googled 60 lbers yesterday and it showed those at their site but i didnt look at others at the site.

But all in all if the reviews are bad I'll definitely not go with a house brand and only want to stick with FR or siemens anyway. Might just have to go FR and use the adapters if can't find siemens or no eta on them coming in. Gotta make sure with the adapters there are no issues as connectivity or coming loose, ect. I read something where some had issues either with the adapters or the pigtails or something
Click to expand...
I've been using the FR 47lb with adapters for years without any problems. Putting in a new motor this winter is the only reason I'm looking for 80lb. I might just bite the bullet and get the FR again.
 
Reactions: from6to8

from6to8

There's suction so I used that end O_O
15 Year Member
Sep 2, 2012
1,896
142
94
Sep 23, 2025
#53
  • Sep 23, 2025
  • #53
Sparky714 said:
I've been using the FR 47lb with adapters for years without any problems. Putting in a new motor this winter is the only reason I'm looking for 80lb. I might just bite the bullet and get the FR again.
Click to expand...
Oh I see, seems you prefer the 80's siemens without having to use the adapters but ok with the FR's if you have to
 

Sparky714

5 Year Member
Oct 16, 2015
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North Dakota
Sep 23, 2025
#54
  • Sep 23, 2025
  • #54
from6to8 said:
Oh I see, seems you prefer the 80's siemens without having to use the adapters but ok with the FR's if you have to
Click to expand...
Don't really have a preference. Everyone recommends Siemens and they're a little cheaper if you can find them.
 
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