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Help ! 383 doesnt work...

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Old Mar 31, 2011 | 04:40 PM
  #1  
88´TransAM's Avatar
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From: Germany
Car: TransAM
Engine: 355SBC
Transmission: TH700R4
Axle/Gears: 3.23
Help ! 383 doesnt work...

My new 383 doesn´t start. I think, the afr is too rich. I am going with a 454 BBC TBI, 80´injectors @20 PSI and turbocity´s vacuum fuel pressure regulator (9-20 PSI). My ECM works with the EBL. I think, the BIN is correctly. I was starting with the BIN from the 89´caprice with L05-engine, then, i changed the BPC-cells in BPC-BPC VS VAC, BST-BPC VS BOOST, disabled the EGR, and multiplied the cells in AE-TPS PW and AE-MAP PW with the factor 0.763 (61´injectors divided by 80´injecors). Everything to get a simply baseline-bin.

What can i do ? Which injectors at how much pressure do you use on your 383 stroker ??
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Old Mar 31, 2011 | 06:47 PM
  #2  
xch3no2's Avatar
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Joined: Oct 2009
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From: Pacific NW
Car: 89 K3500 Fleetside
Engine: RAT *tbi* EBL
Transmission: TH400
Axle/Gears: 3.73-Dana 60
Re: Help ! 383 doesnt work...

Ya too much fuel, we are talkin' EBL_F_2018 right?

I would start with the VRfpr (BPC's all at 90) disabled (plug the TB line) to start for consistency.

Then knock the 400-500 rpm VE's in half all the way across.
See if she lights up.
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Old Apr 1, 2011 | 12:17 PM
  #3  
88´TransAM's Avatar
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Joined: Aug 2007
Posts: 142
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From: Germany
Car: TransAM
Engine: 355SBC
Transmission: TH700R4
Axle/Gears: 3.23
Re: Help ! 383 doesnt work...

Yes, we are talking about the 18´BIN. Ok guys, to go with 80´injetors @13 PSI was the right way. Engine runs great.
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Old Apr 1, 2011 | 03:45 PM
  #4  
xch3no2's Avatar
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Joined: Oct 2009
Posts: 676
Likes: 1
From: Pacific NW
Car: 89 K3500 Fleetside
Engine: RAT *tbi* EBL
Transmission: TH400
Axle/Gears: 3.73-Dana 60
Re: Help ! 383 doesnt work...

That's good news, the 90BPC I mentioned was for 20 psi.

I might have chosen smaller injectors to use with more pressure, but that's just me. You might yet find good use for the big injectors at high RPM.

Keep us posted.
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