nothing to do with our trucks - The 1947 - Present Chevrolet & GMC Truck Message Board Network

texas69truck · 01-25-2007, 05:50 PM

My buddy threw a rod in his 98 cherokee 4.0L HO. This weekend i am helping him put a new engine in, nothing special just a replacement crate motor. Now I've never done a fuel injected engine swap and I am wondering if there is anything i should know??? Im scared of getting the motor in and then having an electical nightmare with it not starting. any adivce is appreciated.
Thanks, Travis

brak · 01-25-2007, 09:07 PM

most important thing....

Label EVERYTHING as you remove it!!!

otherwise it should be a straightforward swap.

Sport/Truck · 01-25-2007, 09:18 PM

There’s going to be some adjustable sensors that you will want to avoid moving… the throttle position sensor. you will most likely be swapping the intake over so shouldn’t be an issue. You are going to have to transfer the cam angle sensor if it has one. If it does you will need to put it at about the same position. You will adjust that when you set the timing.
That’s all I can think of now.
s/t

Sport/Truck · 01-25-2007, 09:35 PM

One word of caution- The fuel line will be under some pressure. So don’t get in a hurry and get fuel in you eyes. I don’t think you’ll have any problems. But if you do just Google whatever you have trouble with there’s tons of info on those. They seem quite popular and the info should be abundant.
Good luck.
s/t

Imacarguytoo · 01-25-2007, 09:43 PM

Go to pirate4x4.com and go in there jeep section for newbies and ask away with your questions there. Now i will tell you those 4.0's are a pain in the butt to pull out. Ive done it once.... So you know. leave the tranny and t-case in the jeep.
Good Luck.

01-25-2007, 05:50 PM	#1
texas69truck Registered User Join Date: Jul 2005 Location: austin texas Posts: 113	nothing to do with our trucks My buddy threw a rod in his 98 cherokee 4.0L HO. This weekend i am helping him put a new engine in, nothing special just a replacement crate motor. Now I've never done a fuel injected engine swap and I am wondering if there is anything i should know??? Im scared of getting the motor in and then having an electical nightmare with it not starting. any adivce is appreciated. Thanks, Travis

01-25-2007, 09:07 PM	#2
brak Registered User Join Date: Apr 2006 Location: MinneSNOWta Posts: 1,381	Re: nothing to do with our trucks most important thing.... Label EVERYTHING as you remove it!!! otherwise it should be a straightforward swap. __________________ 2003 GMC Sierra 1500 WT 1995 Nissan Hardbody 2016 Hyundai Veloster Turbo DC2 (SW/AW) Clyde W. Harvey USN "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery" Winston Churchill

01-25-2007, 09:18 PM	#3
Sport/Truck Sierra Grande Club Join Date: Jan 2007 Location: New Mexico USA Posts: 2,433	Re: nothing to do with our trucks There’s going to be some adjustable sensors that you will want to avoid moving… the throttle position sensor. you will most likely be swapping the intake over so shouldn’t be an issue. You are going to have to transfer the cam angle sensor if it has one. If it does you will need to put it at about the same position. You will adjust that when you set the timing. That’s all I can think of now. s/t __________________ 1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.

01-25-2007, 09:35 PM	#4
Sport/Truck Sierra Grande Club Join Date: Jan 2007 Location: New Mexico USA Posts: 2,433	Re: nothing to do with our trucks One word of caution- The fuel line will be under some pressure. So don’t get in a hurry and get fuel in you eyes. I don’t think you’ll have any problems. But if you do just Google whatever you have trouble with there’s tons of info on those. They seem quite popular and the info should be abundant. Good luck. s/t __________________ 1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.

01-25-2007, 09:43 PM	#5
Imacarguytoo Registered User Join Date: Nov 2006 Location: Illinois Posts: 306	Re: nothing to do with our trucks Go to pirate4x4.com and go in there jeep section for newbies and ask away with your questions there. Now i will tell you those 4.0's are a pain in the butt to pull out. Ive done it once.... So you know. leave the tranny and t-case in the jeep. Good Luck.



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