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

Hard to start

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Old Jan 29, 2007 | 02:25 PM
  #1  
jsetzer's Avatar
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From: Moore OK
Hard to start

This is something I have dealt with for a year, just wanting some input.

My car always starts. This is not a battery or alt problem.

When the car is cold (like cold outside below 70) it usually fires first thing. If its warmed up or temps outside are warmer I have to crack the throttle a tiny bit and then it fires right up.

I have drilled the little hole between the throttle blades several times now at I know its getting rather large because the IAC takes a sec to bring the idle down when its cold out.

My thoughts.
Still choking, needs more air?
Fuel related, I have 36# set to @ 39.x
Nature of the beast? The motor has a lot of compression. 13:1+ Maybe its just harder to turn over warm because the pistons/rings are expanded.

I am on my factory starter, maybe an lt4 with a bit more oomph would help?
Old Jan 30, 2007 | 09:30 AM
  #2  
jsetzer's Avatar
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From: Moore OK
Can a starter be worn out, but still working? Thought they just went bad.
Old Jan 30, 2007 | 11:05 AM
  #3  
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Joined: Jul 2006
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interested as well.. bump
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