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07-29-2010, 09:58 PM
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#1 |
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Registered User
Join Date: May 2010
Location: Rock Hill, SC
Posts: 14
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305 question
ive got a 86 silverado and im plannin to switch out the 305 motor and put a 350 in it. ive had somebody tell me about something about a knock sensor that is located on the side of the block. i didint know if there is a way to bypass this sensor wire and continue on with the 350 or would it be mandatory to keep this wire and do machine work to the 350 to make this sensor active.
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1971 Chevrolet C/10 ShortBed 1978 Chevrolet K/5 Blazer 1986 Chevrolet Silverado ShortBed |
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07-29-2010, 10:11 PM
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#2 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,281
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Re: 305 question
if your 86 is like my 86 it was carbueratored and there was no ECM or EFI therefore a knock sensor is moot. You can leave the sensor in the block or remove it and plug the hole. You have to switch over the intake manifolds and make sure there is a cam lobe for the manual fuel pump or you have to wire up an electric fuel pump
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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07-29-2010, 10:16 PM
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#3 |
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Registered User
Join Date: May 2010
Location: Rock Hill, SC
Posts: 14
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Re: 305 question
well i mean am i able to just take the wire out completely and put the 350 in?
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1971 Chevrolet C/10 ShortBed 1978 Chevrolet K/5 Blazer 1986 Chevrolet Silverado ShortBed |
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07-29-2010, 10:24 PM
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#4 |
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Registered User
Join Date: May 2010
Location: Reno Ne-VAH-da
Posts: 594
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Re: 305 question
You just phase out that electronic spark controller, the knock sensor is part of it. I just did this yesterday to my truck. The plug that comes out of the distributor with 4 wires, on the distributor side of the plug... just cut the green and black wire and splice them together. Unplug it and your good. This knowledge is courtesy of people from this forum.
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07-30-2010, 02:05 AM
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#5 |
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Registered User
Join Date: Sep 2009
Location: Van Buren, AR
Posts: 321
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Re: 305 question
You dont need no computer sensors on a 86 just get a mechanical advance distributor
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 Drive It Like Ya Stole It '82  Primer White c10 2wd LWB 350 sbc t350 (Hot Rod) '90 2wd LWB Silverado 350 tbi 700R4(Daily Driver) '53 m38a1 Willys Jeep (Toy) |
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