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K2XX 5.3L Pic Request - Flex Fuel sensor mounted on the frame

crafferty

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erocktimus prime New Member

erocktimus prime

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Posted

 

Right, I think it was stated earlier in this thread that the part numbers for are identical for both systems. So at this point, unless proven otherwise, the reality is that they are all the same. There is only value in discussing "why" GM would do this and if it meant higher cost, I would bet they wouldn't. Therefore, the cost must be a wash.

For what it's worth, and my source at the moment is advance auto [emoji12] . When I look up fuel injectors for my 03 Tahoe. Changing the vehicle from vin z to t(flex or non) I get a completely different list of fuel injectors. None listed are the same part number between those 2 engines.

 

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redwngr Senior Enthusiast

redwngr

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In 2014 all 5.3's were flexfuel.

 

Maybe there are no E10 only versions of the components. (other than those required to remove the sensor)

Rawyzf Senior Enthusiast

Rawyzf

Posted
Posted

I just ordered all the parts for the conversion.

Fishbait Enthusiast

Fishbait

Posted
Posted

I just ordered all the parts for the conversion.

Can you list part #'s and vendors please. I will be doing this upgrade also and am too busy (lazy) to research. Pics would be cool also.

Rawyzf Senior Enthusiast

Rawyzf

Posted
Posted

Can you list part #'s and vendors please. I will be doing this upgrade also and am too busy (lazy) to research. Pics would be cool also.

I'll post pics of the parts and part numbers once they arrive.

 

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Eddie 70 Senior Enthusiast

Eddie 70

Posted
Posted

You guys doing the conversion must be doing it for the power results because it can't be for the fuel costs. E85 is the same or more in East Tennessee the last time I checked. Then it's not available everywhere here either.

redwngr Senior Enthusiast

redwngr

Posted
Posted

You guys doing the conversion must be doing it for the power results because it can't be for the fuel costs. E85 is the same or more in East Tennessee the last time I checked. Then it's not available everywhere here either.

Depends on how your area taxes ethanol.

Someplaces the cost/mile to run E85 is less than running E10 or E0.

crafferty Senior Enthusiast

crafferty

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For what it's worth, and my source at the moment is advance auto [emoji12] . When I look up fuel injectors for my 03 Tahoe. Changing the vehicle from vin z to t(flex or non) I get a completely different list of fuel injectors. None listed are the same part number between those 2 engines.

 

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Honestly that isn't worth much of anything since you are talking about 12 year old vehicles who were the first generation for the E85. It's a completely different ball game now.

 

What about a 2014/15 Silverado or Sierra. That is what we are talking about. Maybe something changed.

I just looked up the parts for the 2014 5.3L vs 6.2L and they both use the same injectors.

erocktimus prime New Member

erocktimus prime

Posted
Posted

You might be surprised how many parts have been exactly the same for the last 12 years .....

If the latest generation trucks only need the sensor to be flex fuel, why wouldn't gm make them all flex fuel compatible ? I've spent a lot of time in automotive plants. That 100 dollar part isn't worth changing up what's done on the line. Even multiplied over all the trucks made. The difference in sourcing, shipping, storing,and putting on 2 different parts cost WAY more than what they saved.

But hey, I've also seen them do things that made less since for lesser a reason. So who knows.

 

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Rawyzf Senior Enthusiast

Rawyzf

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Posted

Still waiting on tracking info from gm parts direct.

 

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Rawyzf Senior Enthusiast

Rawyzf

Posted
Posted

Got tracking info, will be delivered Monday

 

For giggles, I looked at gas prices today.

 

2.19 87 Oct

2.79 91 Oct (which I usually run)

1.79 E85

 

 

 

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POS VETT Enthusiast

POS VETT

Posted
Posted

The price of E85 here is only 10c more (will likely soon drop) but the price of 93-octane is only $2.39.

Black02Silverado Senior Enthusiast

Black02Silverado

Posted
Posted

I need to get a sensor and tune for my 02 along with bigger injectors. It runs great on E85 just don't get the full benefits without the extra parts. E85 here is $1.54 a gallon and 93 is $2.65 even with the mpg hit, it is still cheaper to run E85 for me.

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