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Old 08-06-2009, 06:42 PM   #1
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4.3l Injector size?
I recently got an intake from a 1995 caprice with the 4.3l v8. I have tried to find what size the injectors are. Does anyone know? thanks
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Old 08-06-2009, 06:47 PM   #2
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Re: 4.3l Injector size?
Best for sure way to know.....get a part number from off the side of injector, search on that.....Some lt1 motors (93 corvette) run a small injector, so that one I would suspect to be 18-22lbs
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Old 08-06-2009, 07:35 PM   #3
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Re: 4.3l Injector size?
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Originally Posted by 91interceptorZ View Post
Best for sure way to know.....get a part number from off the side of injector, search on that.....Some lt1 motors (93 corvette) run a small injector, so that one I would suspect to be 18-22lbs
ive never heard of a 4.3l v8.... the 4.3 is a v6
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Old 08-06-2009, 08:49 PM   #4
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Re: 4.3l Injector size?
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Originally Posted by Gearhead291 View Post
ive never heard of a 4.3l v8.... the 4.3 is a v6
the 4.3 is a mini lt1 used in full size chevys.. they use a 19 lb injector
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Old 08-07-2009, 11:06 PM   #5
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Re: 4.3l Injector size?
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the 4.3 is a mini lt1 used in full size chevys.. they use a 19 lb injector
ohh
how much power do they make?
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Old 08-07-2009, 11:34 PM   #6
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Re: 4.3l Injector size?
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Originally Posted by Gearhead291 View Post
ohh
how much power do they make?
I think they were 200 HP and 240-250 TQ depending on the year. It is basically a 305 version of the LT1 with a 3" stroke crankshaft and 5.94" rods. (3.735" bore and 3.00 stroke) The cylinder heads are almost identical to the L30 305 Vortec.

On a 1994 Caprice the stock injector flow constant is programmed at 19.45 lb/hr.
Last edited by Fast355; 08-07-2009 at 11:40 PM.
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Old 08-07-2009, 11:34 PM
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