LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

CC306 guys what injectors and plugs r u running

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Old Oct 25, 2006 | 08:06 PM
  #1  
93transam1234's Avatar
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CC306 guys what injectors and plugs r u running

Im working on getting my car to 100% (got a high rpm stumble).
Did the opti and doing moroso wires soon.

Also thinking i might need to step up to larger injectors and i am not sure what plugs i should run

I am on stock heads that have been slightly ported

I am shifting at 6200rps untill i get dyno tuned but i not doing that til i have the car running 100%
Old Oct 25, 2006 | 08:54 PM
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30lb SVO's and ngk TR6's since I run the juice

-Brian
Old Oct 25, 2006 | 09:08 PM
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cc306

Im running moroso wires,accel 30lb. injectors, and ngk tr55's. gapped at .050.
with my cc306.
Old Oct 25, 2006 | 09:16 PM
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SVO 30lb and NGKs.
Old Oct 25, 2006 | 11:28 PM
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dsmith's Avatar
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same as above
Old Oct 25, 2006 | 11:44 PM
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95z28_m6's Avatar
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What about bosch platinums? Anyone run those?
Old Oct 25, 2006 | 11:46 PM
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I was about to ask this same question. Can you run stock plugs/injectors?
Old Oct 25, 2006 | 11:56 PM
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Originally Posted by 69gto96z
I was about to ask this same question. Can you run stock plugs/injectors?
TR55 is a stock style plug. Stock injectors won't work with that large of a cam on most cars.
Old Oct 26, 2006 | 12:02 AM
  #9  
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Originally Posted by seawolf06
TR55 is a stock style plug. Stock injectors won't work with that large of a cam on most cars.
actually you def can run the 306 or bigger with stock injectors

i am running the 306 on stockers right now and my last car had the gm 847 with ported heads and all that jazz i was runnin stock injectors on that as well

i can tell you there was ALOT left on the table with out upgrading injectors but it is more than doable
Old Oct 26, 2006 | 12:12 AM
  #10  
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Awesome, atleast I know I dont have to upgrade injectors just yet. Are the accel injectors any good? What brand would everybody recommend?
Old Oct 26, 2006 | 12:33 AM
  #11  
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SVO Injectors.
Old Oct 26, 2006 | 04:16 AM
  #12  
Daniel6718's Avatar
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you dont have to, but remember the more power its making the harder the injectors have to work, end up spraying on the back of the valve not into the cylinder= lost power...but ya im using stock injectors had tr5 in it for a long time no problems...


does svo make a 38 or 42 pound injector? i need some about that size....
what about the pintle style, anything involved in the swap (i.e. change connectors???) injuneer says they are better for higher fuel pressure, so i guess i could run a big dry shot...
Old Oct 27, 2006 | 12:29 PM
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96 mikez28's Avatar
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would stock fuel pump be fine with cc306 and 30# SVO's?
Old Oct 27, 2006 | 12:41 PM
  #14  
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Originally Posted by 96 mikez28
would stock fuel pump be fine with cc306 and 30# SVO's?
Yes.
Old Oct 27, 2006 | 12:45 PM
  #15  
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From: High Ridge, MO
Originally Posted by 96 mikez28
would stock fuel pump be fine with cc306 and 30# SVO's?
Some people have had the stock pump supply enough fuel for 400 rwhp. I wasn't so lucky (gave up around 360 rwhp). You may be pushing it.

As for the original question, you can run stock injectors. It's all about keeping the injector duty cycle down (<85%). If you used an adjustable fuel pressure regulator and had a good pump (Walbro 255), you could up the fuel pressure and be fine (of course there is a lot more involved in it than that ie. tuning). If you plan on doing more mods, get the injectors.



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