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305 tbi to 350 tbi questions

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Old 09-27-2011, 06:51 PM
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Car: 91 camaro rs
Engine: 305 (350 vortec in dec.)
Transmission: Wc-T5
Axle/Gears: 3.08 (3.42 in dec.)
305 tbi to 350 tbi questions

I have a truck that I'm selling, almost as I'm the finance co... Well I also have a camaro. The truck is a 94 silverado 350 tbi, the camaro, 305 tbi. Would there be any problems in swapping motor? Direct replacement? Any help would be awesome, thanks guys.
Old 09-28-2011, 02:25 PM
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Re: 305 tbi to 350 tbi questions

See stickkies above...
Old 09-28-2011, 02:52 PM
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Re: 305 tbi to 350 tbi questions

seriously the sticky says it all!
Old 03-08-2021, 05:20 PM
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Re: 305 tbi to 350 tbi questions

After replacing ICM car cranks but it wont start. It has fuel and spark. Any idea?
Old 03-08-2021, 09:17 PM
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Car: 91 z28
Engine: 305 tpi
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Re: 305 tbi to 350 tbi questions

Ignition timing, firing order, cam timing, compression, valve adjustment, age of fuel... A little background as to what you're working on, what has been touched, state of vehicle prior to changes goes a long ways for others trying to help from the other side of a computer screen.
Old 03-09-2021, 05:11 AM
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Re: 305 tbi to 350 tbi questions

Originally Posted by 88RS
Ignition timing, firing order, cam timing, compression, valve adjustment, age of fuel... A little background as to what you're working on, what has been touched, state of vehicle prior to changes goes a long ways for others trying to help from the other side of a computer screen.
Sorry, i have posted question in wrong thread, if it helps my thread is this one
https://www.thirdgen.org/forums/tbi/...-problems.html
Tnx!
Old 03-09-2021, 11:57 AM
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Re: 305 tbi to 350 tbi questions

Originally Posted by 88RS
Ignition timing, firing order, cam timing, compression, valve adjustment, age of fuel... A little background as to what you're working on, what has been touched, state of vehicle prior to changes goes a long ways for others trying to help from the other side of a computer screen.
possibly the distributor is 180 degrees out
Old 03-09-2021, 12:26 PM
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Re: 305 tbi to 350 tbi questions

Originally Posted by Ronny
possibly the distributor is 180 degrees out
it was turning on fine before replacing ICM, after that nothing. Btw i forgot to write that i accidently start cranking with diagnostic wire, could that make a problem?
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