Check for chips on the web at the bottom of the cylinder bores usually caused by a previous failure or by knocking the rods into the block upon disassembly. With a flat-tappet cam, the break-in period is critical. Run a victor with a 850 dp and you should have one heck of a combo. In addition, you'll get details on troubleshooting, how to recondition parts, and how to properly assemble the motor. A slight bend will be obvious as you roll it. This is good practice for later when you re-install the cam during the rebuild.
I think of it as cheating. In fact, Demon was quick to point out that it has never lost a flat-tappet cam or lifter on any of its engines. Slight scoring or gouging in the bearing surface is usually caused by loose debris making its way past the filter and into the bearings. This is a big-block Chevy that goes together pretty much like a stock rebuild, but packing some serious punch. Both of these calipers are used to take precise measurements.
Build-up of carbon on the backside of the valve is a sign of oil getting into the intake port by way of a worn valve guide or a leaky gasket under the intake manifold. Clean the carbon out of the grooves and check fit again. One exhaust seat is bad in one head. The heads are secured using Fel-Pro head and intake gaskets. If these pathways exist, the block and head can be resurfaced to eliminate the groove.
If you notice a ridge about a quarter inch below the deck surface, such as the one seen in this chapter, your block should go under some close scrutiny to determine if it can be bored far enough to eliminate the ridge. Written by Tony Huntimer and Posted with Permission of CarTechBooks. It got its personality back. Specialty Tools The depth and breadth of the rebuild will determine the list of specialty tools needed. You can see that I have let the camshaft journals rest in the block on the bearings to adjust my grip. Look at the Brodix oval port heads and keep your same cam.
The answer to this can vary depending on the goals of a buildup, but there are several factors that apply to a big slice of us regular-guy hot rodders. An engine builder pointed out that if you are wiping down your engine parts with polyester or cotton towels, and a stray thread gets into the engine, a thread could cause catastrophic failure. When you look at the balance between cost and power potential, using a stroker combo has too much going for it to pass up. I told him when I'm ready to go big, I'll be going really big The big one I want to build myself, but currently I don't have the time or tools to do it right. We may well take up Demon on its offer to abuse this engine in the future, but for now, we were interested in seeing what this baby had to offer in as-delivered trim. On the right are a pair of cylinder head stands to elevate the heads for serviceability.
My next worry might be traction although I never had a problem hooking with the old motor. The front leg of this engine stand folds up for easy storage. As indicated, we prelubed the motor using 10W-30 Lucas conventional oil, the high-zinc break-in lube, and an electric drill. Step 11: Check the Crankshaft Precision Measurement A few quick checks indicate the condition of your crankshaft. If your engine has a short water pump check, make sure the alternator boss in the front is in good shape. I use mine frequently and loan it to friends when they need it. Give the entire casting a once over and look for visible defects, which include worn valve guides, damaged threads, deterioration around the coolant passages, chunks of material missing, or cracks in any part of the casting.
International customers, I need your country and Postal code to estimate shipping. There are some important safety aspects that you need to take into consideration for any engine rebuild. Visually inspect the rocker arm for abnormal wear in the fulcrum socket; the rocker tip should be smooth, not grooved like the tip of this rocker. This engine has a 4340 balanced assembly and see's 7,500 every pass and runs 6. But the most important tools you have are not in your toolbox.
So I'm looking for new pistons and wow, whodathunk nobody makes 396-402 pistons! Use a number stamp like these. All your parts are easily accessible and ready to assemble? Not only do these have a much higher capacity than late-model stock big-block heads with their 308cc intake runners, but they also come complete and ready to rock with valves, springs, retainers, studs, and guideplates. The screw bounced around to three different cylinders before getting past one valve completely where the real carnage took place. The face of the piston should be free of holes, gouges, and marks that look like pools of molten aluminum. Was leaning toward Holley strip dominator intake. What the small ports bring to the table is improved part-throttle response and torque production. I'll have to trust the machinist to do the job right.