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engine swap

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Question
My 4.0 engine that I had purchased before blew out and now I can't afford 4.0 engine. Could I replace the engine with small 3.3L, even if performances decrease?
Hi and thanks for contacting Your Mechanic. You can replace your vehicle with any engine size as long as the engine will bolt up to the transmission, the electrical harness will match the engine as it did on the 4.0L,...
Question
Engine swap? Have both VIN numbers don't want to buy if not compatible 2000 saturn LS2
Hi there - since the engine type is "R" for both VINs (position 8 in the VIN), yes, these engines should be compatible. I would recommend using the engine management (computer) and engine wiring harness from the donor vehicle, just...
Question
Mustang engine swap. The speedometer doesn't work now. Why? Mustang
Hello - the speedometer is driven by a sensor on the transmission. Perhaps this problem is because the sensor was not re-connected after the swap? If the transmission was also swapped, it is possible the sensor on the donor transmission...
Question
Skyline GTR R33 Engine swap with Chevy 383 small block, will it fit?
With a large enough budget, you can get just about anything in there. You will need more than just an engine to make everything work like the engine control module from the donor vehicle with a wiring harness installed in...
Question
When an engine is replaced should it include a new intake boot or air intake system? Or is that separate?
The intake hose and any external component of the engine is not included in an engine swap replacement unless it is listed to be replaced as a separate item to be replaced.
Question
Do I have to change the engine mounts and bellhousing when switching to the 3.9l?
The engine should bolt up to the transmission, but the 4t45e has a lower torque rating than a 4t65e so pushing more power through it might cause problems. There may also be a few subtle issues with mounting the new...
Question
Can i swap à 4.3 chevy blazer four wheel drive into my 4.3 gmc Jimmy two wheel drive? 1995 Chevy Blazer
Hi - yes, the engine will bolt up, although some swapping of manifolds, accessory mounts, etc. may be required. The bigger issue is compatibility with engine electronics, which will include the transmission controller. Your are best off if you can...
Question
Changing engines. What engine has a power stroke every revolution?
Only two stroke engines have a power stroke once every revolution of the crankshaft. There is no vehicle that I know of or an engine in a car or truck that is not a four stroke gas or diesel engine....
Question
Change or repair engine
Hello. In most cases, it is more cost effective to install a rebuilt or even a new "crate" motor, than to repair a seriously damaged engine as you describe. The economies of scale for new engines have lowered the cost...
Question
Engine was swapped. I need to know how to tell if they put 1.8 or 2.0 back in?
Each of those engine sizes have unique casting numbers embossed on the head, block, etc. The casting numbers for the 1.8L are Block Cast # 5M0; In-Line Head Cast # 5M0; Cam Cast # 5M0-5M0 or 4M5-4M5; and Crankshaft...
Question
Where does ignition usually draw its power? 89 wrangler with 94 chevy 350 and wiring. I'm not getting power to the key. 1989 Jeep Wrangler
Hello - usually power to the ignition switch, engine swap or not, comes through the fuse block. So, first thing to check is the appropriate fuse for the ignition from the Jeep Owners Manual. With the engine swap, unless you...
Question
Engine swap
Hello - no, this swap will require custom engine mounts, transmission mounts, driveshaft, wiring changes, and many other not-so-little swaps or custom pieces. Better to buy or swap your Pontiac drivetrain for a Chevy package that is much more likely...
Question
I plan on putting a 6g74 from a Diamante
Hey there. The 6G74 is a direct drop in as long as the donor vehicle is the right one. That engine was used in a few models with some being FWD and others AWD, and there will be very subtle...
Question
What is the price of a new 2008 jeep commander engine 3.7?
Sent CS a billing question on the price of a new 3.7L engine for a 2008 Jeep Commander.
Question
What is the cost of changing engine in 2006 Cadillac Dts 4.6L?
Sent question to CS for billing question about swapping an engine from an engine with a high mileage to an engine with a low mileage.
Question
Need to swap engine from 2002 eclipse into 2006 eclipse
The 2002 engine used Head Cast # G6 and Block Cast # 4G64. The 2006 used Head Cast # G69M and Block Cast # 4G69. There are other differences between the two years as well. The principal problem is your...
Question
My car won't shift out of 1st gear. I replaced the engine with one from a Saturn, now it won't shift up.
The vehicle speed sensor (VSS) has failed or lost power to the transmission and computer system. The computer needs to recognize the road speed to perform an up shift. Check the VSS to make sure the harness is plugged in...
Question
If I replace my engine does it have to be the same year?
If you are looking to do an engine swap you should use the same year motor. This way you will not have different sensors and harnesses. Also you may have different exhaust, intakes, and accessories. From one year to another...
Question
How can I swap to a Vortec engine without a lot of trouble?
The engines are very similar other than a few subtle differences. The donor engine is only a couple of years newer so I do believe many of the electronics may be the same. Make sure you use a new gasket...
Question
Running into issues when I put a 2004 motor in a 2002 body of a Chevrolet Silverado
The engines are fairly identical, but the manufacturer made a few upgrades on the newer model engine. You should have swapped all of the fuel system parts and electronics from the old engine to the new one. The intake manifold,...

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