Is there a check engine light on? Information on the fan shroud or in front of the radiator. Probably leak in engine bay, or even under the truck's fuel line, filter, pump. Lower end: This is a very long process, and should only be performed if you have knowledge on Engine rebuilding. After block has been cleaned and inspected you can now start the assembling process. Or do you smell at exhaust? A long block engine is an option to upgrade or replace your current engine.
You would need to drill and tap for new oil passages,unfornately. Do steps for disassembling top end as stated above. Once the heads are off you can now rework the heads yourself, but i highly suggest you take them to a machine shop to have them reworked by a cylinder head specialist. Once all engine components are removed, you can now inspect and clean the block. For this reason it is imperative that you label all wires before disconnecting any of them. If it is and the choke operating correctly, then you have a warped metering plate in the carb allowing too much gas to go into the engine. Remove the main bearings via two bolts per bearing.
Just use the correct firing order for the cam you have. Try disconnecting the vacuum line at the egr valve and see if that helps. I have already replaced spark plugs, plug wires, distibutor cap, rotor button and coil. I put a holley 4brl 650 and was going with 351W heads. If you blow your engine or notice that it burns too much oil, smokes, taps, or knocks, it might be best to replace the entire engine. I think that about covers it, Please do other research aswell as reading this, I am human and do make mistakes. This info is from a Motorcraft tune up manual and covers cars and trucks, but not vans specificly but they should be the same.
Look for damaged parts accordingly. Do you smell fuel in the engine compartment? Apr 24, 2010 For the 1985 Jeep Grand Wagoneer: I do not know if you have the 4. If it is fouling plugs that fast it either has to be burning a lot of fuel or oil. Keep in mind that there is a lot of Ethenol in our gas that is lowing the gas mileage on our vehicles. Next you remove the the piston and connecting rods by pushing out or pulling in.
I'm guessing it is a 2v. Once you have removed the main bearings you can remove the bolts holding each connecting rod Note: You will have to rotate the crankshaft to get the bolts out. Also, before removal, compare the current wiring with the accompanying illustrations. These parts come assembled and ready for your repair. I have also unplugged electronic items one a time too see if there was a difference in idle and there were for each one I unplugged. So I dont know how hp from the heads. After 73 they dropped way down and before 68 they were 289's.
If the current wiring does not match, make notes in your book to reflect how your engine is wired. Top End: Guessing the motor is on a engine stand, you remove plenum and intake, remove valve covers, brackets, etc. Too much fuel bad burn lots of black smoke. The distributor cap is installed with the marked 1 position facing to the rear and slightly towards the drivers side. A long block consists of the engine block, pistons, heads, and valvetrain. I am assuming that what you mean.
The engine runs fine power wise but, it runs so rich it will burn your eyes and uses a lot of fuel. You will need alot of Assembly lube Be very generous when applying Assembly lube to crankshaft and camshaft. The canister purge tank can cause gas smell if it isn't working right, but the computer should give you a service engine light on any of these. If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. I never got the chance to put 351W heads on. First off, You want to decide how much of an extensive build you want to do.
Do you smell in the cab? There is also a power valve in the carburator that some times goes bad. I do suggest installing the valve covers prior to installing the plenum for ease of installation. If it's so dark that it's almost blue then I can tell you that somehow oil is getting into the cylinder and burning alongside the air and fuel. Rebuild the carb abd check the plates for warpage before reinstalling them. I would think this truck would really smell bad if it is fouling out the plugs that fast. Does it smell real gassy, fuel mileage go south? But it sounds more like a plugged up exhaust system.