I am converting to carb, can I use my stock ignition box? I know I need a different distributor, but summitt says I need a different ignition box. Tell me they are wrong? (I dont wanna fork out any more money)

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Bright red 87 GTA with 350 tuneport. Basic mods such as K&N filter, Flowmasters, Wells MAF, TPIS air foil, Accel 8.8mm plug wires with , Accel distributor cap and rotary buttons.Gutted cat. B&M Shift kit, 100HP shot Nitrous, soon to change over to carburator.

 

Well?

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Bright red 87 GTA with 350 tuneport. Basic mods such as K&N filter, Flowmasters, Wells MAF, TPIS air foil, Accel 8.8mm plug wires with , Accel distributor cap and rotary buttons.Gutted cat. B&M Shift kit, 100HP shot Nitrous, soon to change over to carburator.

 

What do you mean by "ignition box"? As in like an MSD, OEM has no such thing. But the computer controls advance timing. For that reason you need a vacuum advance distributor (any will do). Apart from the ECM, the coil, wires, spark plugs and of course the dist. are the only OEM ignition parts.

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George P. Lara
1994 Z28 LT1 T56
1984 Z28 High Output
Member: SCCA, SCFB, SC3GFB

 

So an ignition box is not required??? I can run the car without an ignition box as long as I have a vacuum advance distributor? Sorry for my ignorance, the whole carb thing is new to me.

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Bright red 87 GTA with 350 tuneport. Basic mods such as K&N filter, Flowmasters, Wells MAF, TPIS air foil, Accel 8.8mm plug wires with , Accel distributor cap and rotary buttons.Gutted cat. B&M Shift kit, 100HP shot Nitrous, soon to change over to carburator.

 

BTW, I am not running the computer.

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Bright red 87 GTA with 350 tuneport. Basic mods such as K&N filter, Flowmasters, Wells MAF, TPIS air foil, Accel 8.8mm plug wires with , Accel distributor cap and rotary buttons.Gutted cat. B&M Shift kit, 100HP shot Nitrous, soon to change over to carburator.

 

The computer controls the timing advance on a computer controlled HEI. When you remove the computer, you need to switch to a vacuum HEI. A MSD box just adds more juice to the spark a few degrees before, during, and after to satuarte the plug with sparking ability (make sense?).

There is no need for a MSD box and it will work with both computer controlled and vacuum HEIs.

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1984 z28 w/ a 357 cu in. monster engine which is looking like the posterchild for Edelbrock... all the suspension stuff... 9-bolt posi disk is in... K&N filter... 93 octane...

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