Fuel economy is 7% better with the new four-speed automatic. Rechecked the manual; they say to torque in increments: M11 bolts are numbered 1- 10, the smaller M8 bolts are numbered 11- 14 Step 1- M11 bolts- 15 ft. As in all production small blocks, only the upper half of the mains are grooved. It should l … ook like this: 17 13 9 5 1 3 7 11 15 16 12 8 4 2 6 10 14 Where 1 is center and 15 is the back of the engine. Repeat the sequence retightening the bolts to a final torque of 105 ft. There are many major differences, including the overhead cam design, and aluminum heads.
Simply whether or not the 4. Fan still has to come on at highway speeds. Tighten head bolts in sequence to 50 ft. It utilizes a counter-rotating balance shaft mounted between the cylinder banks to deal with vibration problems of the 90-degree V6 design, as well as use a 30-degree split pin to fire the cylinders every 120 degrees. Engine torque specs are sometimes revised and owners should consult current reference material before attempting engine work. The bolts don't stretch - the gasket crushes. Please note inch pounds is used in a couple of these and that they require an inch pound torque wrench.
Please like video and subscribe! The secret was the change of search query wording to; 2002 2. Step 3- Tighten M11 bolts 90 degrees M8 bolts- 22 ft. In fact, the spec for the 95th percentile customer is 150,000 mile useful life. The 2003 models continued the redesigned model introduced the previous year. All journals have rolled fillets, a significant step taken, in the best racing engines, to prevent stress cracks from forming. I found tbillion's post rather vague - he says 90% of vehicles are using torque to yield head bolts; but doesn't say if the 4. Be sure and put just a little … oil on the threads of each bolt and under the head of the bolt.
Bearing cap bolts- 100 in. Until 2002, Dodge hadn't installed a 4. Replace all the head bolts, never using the old ones. Tell me this what are your qualifications to lead? Then starting from the center inside bolt ,which is number 1, to the outside center most bolt torque all the bolts to 70 foot pounds. Next, tighten the bolts to the left of center, inside to outside. Cylinder head bolts: 4 steps.
First torque all the bolts to 36. The head gaskets come off clean with virtually no residue. The pistons of the New Generation engine are aluminum, which reduces weight along with the magnesium valve covers and plastic intake manifold. It has a cast iron engine block and aluminum cylinder heads. It uses , has roller followers, and features fracture-split forged powder metal and an assembled reinforced plastic.
The block is made of cast iron and the heads are an aluminum alloy. This something all us guys with headers and toasted plug wires can really appreciate. I'm having a terrible time getting into a dyno shop somewhere around Nashville. Fasteners are hardened M9 capscrews threaded directly into the rod, no nuts are used. However, it has a smaller bore size of 4. The 2008 redesign had two spark plugs per cylinder, a 9.
The reason I am comparing the 4. Then the ones to the right of center, inside to outside. Total oil capacity is 6 quarts. The engine valve system is chain driven and uses a single overhead camshaft design with two valves per cylinder, totaling 16 valves. How the dodge durango's engines have evolved for the next generation of durangos the engine distribution was based on the trim level the 47liter powertech v8 engine was standard throughout. Cam valve covers are cast magnesium.
Oil rings are chrome as well, with a stainless expander. Using no sealer whatsoever, install the new head gasket s to the block. The head bolt pattern is the same for each cylinder and almost perfectly square at 4. Here's the tightening sequence- Start with third bolt in from front pass side then directly across driver side, then 4th bolt back pass side, then driver side directly across, then 2nd bolt back pass side, then driver side directly across, then last 5th bolt back pass side, then drivers side directly across, then front 1st bolt pass side and lastly driver side directly across. It produced 240 horsepower at 4,800 rpm and 300 foot-pounds of torque at 3,200 rpm. Valuve cover bolts 83 inch lbs.
The engine displacement is 4. It occurs to me these might be good numbers to have before I start pulling my engine down. Actually, I had no idea there was a site that had all this info on mopar engines. It is a 90° like the V8, with 2-valve heads. Buyers were able to upgrade this base model to the 4. Here I am thinking about changing out the head gasket on my '00 4.
That additional 90 degrees of rotation ends up yielding more like 100-110 ft lbs of torque in the end just judging by feel. But looky here, the Intake and Exhaust rockers are opposite each other. The PowerTech was on the list for 1999. Ring Width Top Compression Ring 1. That's where that extra 90 degree turn comes in.