Re: Need advice: LS ENGINE SWAP
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Re: Need advice: LS ENGINE SWAP
does anyone know what the difference is on the 4l65e vs the 4l60e ? He says this motor does not have flex fuel...was that an option ? just trying to get my ducks straight when I talk to him tomorrow
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Re: Need advice: LS ENGINE SWAP
i would guess misprint.....once again ill let the pros handle it man
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So just got off the phone with him the 08 engine and tranny fell through because they wanted an extra grand but he has an 07 Silverado comming in on Friday, this one he says is low mileage in the 50k range which should go to me so I'm keeping my fingers crossed
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Re: Need advice: LS ENGINE SWAP
Flex fuel was an option afaik, at least with the GenIII it used a different fuel rail and had the sensor that recognized what fuel it was being fed to adjust the computer map.
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There are both flex fuel and non flex fuel version of GenIV engines as well (can't comment on the differences in how it works, but both versions were available in 4.8-6.2l)
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Re: Need advice: LS ENGINE SWAP
In 2007 they made both gen3 and gen4 engines The new body style trucks got the new engine but they also made the older style trucks and called them silverado classics.. Also, it doesn't really matter if its flex fuel or not, they'll both run on gas. Do know that with a gen4, speedometers are harder to hook up and you loose the ability to use some features like DBW cruise control.
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Take her to the garage and tell her you can't go...cuz the engine fell out of the truck?
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Back from our camping trip ! it was nice, now I can continue with business on the LS swap... guy says he is going to send me pics this week and as soon as does I will post up. I told him I need a pic of the cluster and of the stamp on the block that gives the date so I just hope its all legit and no bumps on the road.
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IF you can, I would want to watch them remove the motor from the vehicle. He has already demonstrated that his business isnt 100% trustworthy.
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Time for an update..I got tired of waiting for my engine to be delivered, so I decided to drive up to long beach and just go get my engine...to give him credit he tried hard to get someone down here but his boss didnt want to deliver it if there were no other deliveries...long story short its now in my garage and Im getting it to a friends shop where my suspension and drive train will be installed. Going to try to get it there tomorrow and hopefully in the next couple of weeks it will be done, well... almost done. Here are a few pics of my new engine. the date stamp code is saying it was made in 06 which I guess falls in line of being installed in an 07 Silverado. It looks a bit different and In my opinion looks to be newer than the last one so Im happy I ran a Car Fax on the Vin and last recorded mileage was 69K and some change the cluster odometer showed 72k... here are some pics Im hoping someone can tell me anything that jumps out at them.
Attachment 1238042 fuel rails look a bit different...good bad ? Attachment 1238043 this is different looks like a heatsink of some kind ? anyone ? Attachment 1238044 Attachment 1238045 one of what my truck looks like at the moment Attachment 1238047 |
Re: Need advice: LS ENGINE SWAP
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Re: Need advice: LS ENGINE SWAP
I think the heat sink thing would be a power steering fluid cooler, it's hard to tell from the pictures but it does connect to the PS pump correct? If not, and it connects to the drivers side of the oil pan then it would be an oil cooler. Does your PS pump have an extra line coming out of it? If so, the donor had hydro assist power brakes. As far as the later style fuel rail I'm not that savvy on which year they switched but it does mean you will need the external pressure regulator style system. The early years had a regulator on the fuel rail. If you do a search on fuel systems there is a lot of information on the subject.
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Re: Need advice: LS ENGINE SWAP
I think thats the metal flex-fuel rail, and a hydro-boost equipped power steering cooler (though I think some hd trucks may have had a power steering cooler option without being hydroboost equipped)
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That looks exactly like my 07 silverado classic 5.3. The fuel rail is a flex fuel and the cooler is a power steering cooler, but you already know that since it already been answered twice. :lol:
Did you get the TAC and pedal? It would have the plastic pedal. |
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Ast for the flex fuel thing; it also means that your pressure regulator will run a few psi lower than the standard truck FPR. Its worth mentioning so you don't panic if you test fuel psi and it is lower than 58.
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On a returnless system with a Vette filter/regulator it will be regulated at 58psi. The older retutn type with the vacuum regulator it will be a lower pressure.
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