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Old 01-12-2012, 09:17 PM
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Information/suggestions needed for completion TBI 350 conversion

hey gang --

need a little input from you 350 jedi masters.

I recently completed a carb to TBI conversion on my SBC 350. I used a stock TBI unit and the OEM harness which I went through and used which parts I need. There are a few things I've heard of which i have a couple questions and suggestive needs answered.

1.) Knock sensor. I have headers off my block, and the two usual places in the water jacket on the side of the block where it would go...it won't fit with the sensor and wire. Is there any other option for this? is it necessary? I hear that some new "chips" or programs for the stock computer eliminate the need for a knock sensor? changing the entirety of my exhaust system would be...well, inconvenient to say the least.

2.) computer. I have the stock computer with the computer # 1227747, which is I believe the most adaptable, or what more options are made for. is it important to change to an aftermarket program or chip? suggestions for such if thats true? do these typically negate the need for a knock sensor?

I understand the purpose of a knock sensor, and would like to include it if I could, but having to change the entirety of my exhaust system to meet that isn't a fun prospect.

thanks for the input and suggestions. I'm trying to finish up a great project by tying up the last few unknowns and undone's in a quality way.

Mike

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Old 01-13-2012, 09:34 AM
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ttt. any suggestions or answers?
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Old 01-13-2012, 10:25 AM
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Moving this to the Modern Electronics subforum, you might get better response there.
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Old 01-13-2012, 02:03 PM
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Quote:
Originally Posted by fireman111
hey gang --

need a little input from you 350 jedi masters.

I recently completed a carb to TBI conversion on my SBC 350. I used a stock TBI unit and the OEM harness which I went through and used which parts I need. There are a few things I've heard of which i have a couple questions and suggestive needs answered.

1.) Knock sensor. I have headers off my block, and the two usual places in the water jacket on the side of the block where it would go...it won't fit with the sensor and wire. Is there any other option for this? is it necessary? I hear that some new "chips" or programs for the stock computer eliminate the need for a knock sensor? changing the entirety of my exhaust system would be...well, inconvenient to say the least.

2.) computer. I have the stock computer with the computer # 1227747, which is I believe the most adaptable, or what more options are made for. is it important to change to an aftermarket program or chip? suggestions for such if thats true? do these typically negate the need for a knock sensor?

I understand the purpose of a knock sensor, and would like to include it if I could, but having to change the entirety of my exhaust system to meet that isn't a fun prospect.

thanks for the input and suggestions. I'm trying to finish up a great project by tying up the last few unknowns and undone's in a quality way.

Mike
Here you go! www.thirdengen.org moates.net and www.dynamicefi.com
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Old 01-13-2012, 03:17 PM
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I read an article sometime back where the fellow screwed an iron srteet elbow into the block to get the knock sensor away from his headers. Maybe something like that might work.
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Old 01-13-2012, 03:39 PM
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thanks for that...first website didn't load...i'm assuming there may be a typo there somewhere on the "thirdengen" somewhere?

I've been looking through the other two, but still have yet to find explanations as to what the programs accomplish vs. the stock program.

My primary uses/goals/desires are just to have a well running reliable setup for multitude of altitudes and such. power isn't really a ginormous issue as this 350 is in my jeep...i've always had more than enough power...it's just been an altitude/angle issue i've had with my carb as I go jeepin and visit places like i do every year in Moab, UT where i can be at 2,000ft and several hours later, be almost to 10,000ft....or sitting at extreme angles for any extended period of time.

performance, yes, but reliability more....along with the peripheral issue of dealing with a knock sensor and nowhere to put it...
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Old 01-13-2012, 04:07 PM
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Quote:
Originally Posted by paparay
I read an article sometime back where the fellow screwed an iron srteet elbow into the block to get the knock sensor away from his headers. Maybe something like that might work.
Thats not a bad idea....!! Like a solid iron 90*?
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Old 01-13-2012, 05:27 PM
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[QUOTE=fireman111]thanks for that...first website didn't load...i'm assuming there may be a typo there somewhere on the "thirdengen" somewhere?

Ok messed that one up! www.thirdgen.org www.moates.net
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