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Like dragin said about having a pair... I use Compcam Hi-tech length checkers, each turn is .05 change in length. The lengths are accurate...send the dimension to Smith Brothers.

360 engine with oem cast crank, oem front damper, Ross forged pistons, eagle rods, and steel flywheel. Externally balanced including damper and flywheel mods. The new owner of the engine installed a flexplate for auto trany. Can he take the flywheel and flexplate and have them weight matched...

I use cork or black felpro type gaskets, coat them with black RTV and let it get a little tacky before installing the valve covers. Apply masking tape to all of the cylinder head contact surface...then install the valve covers. Let sit overnite, Remove the valve covers and remove the tape from...

what tubtar said

I'm sure you know the magnum head intake bolts install vertically, the Weiand go in at right angle to the intake gasket surface. Are you going to weld bolt bosses onto the intake manifold so the bolts can be tightened down correctly? Moving on...it would be better if the floor of the weiand...

We all make mistakes, me included. Years ago at a new job I screwed something up and told the boss...he said good, because if I had not screwed up within the first few weeks he would have fired me because He figured me the newbee was hiding mistakes. A friend of a friend...a very experienced...

I put EngineQuest magnum heads (factory replacement head) on an LA block, with flat tappet cam. They offer a magnum head with LA intake manifold bolt pattern and LA style thermostat bypass hose. Everything fit great. The magnum heads use 1.6 rocker ratio that puts the top of the pushrod...

TimT has very good suggestion and reasoning. Also, I suggest when was the last time your torque wrench was calibrated? I just went thru this with one of my Twrenches....the bugger was off over 20 % too lite!!! That was why the engine job I just finished pushed out the head gasket. Had to...

72blu - Ive been watching what your going thru, as I was considering running lash caps on a hydraulic cam. Some folks say to only use lash caps on solid lifter cams because if a "weak" lifter bleeds down overnite, then when the engine is started the lash cap can come off before oil pressure...

Have the ignition system checked on an oscilloscope. New plugs and wires are not good enough when chasing down the problem you have.

YES, usually it is better to cut the cylinder head intake gasket surface rather than the intake manifold. But either will work. Since your intake fits with no gasket Burch is correct suggesting to cut the intake surface about equal to the intake gasket thickness. Should not need to cut the...

Finally, here is a video of the engine with EQ heads and a short road test. 360 Mopar Engine July 2013, MT - YouTube

Install valve spring seat inserts, like a spring retainer but on the other end of the spring. All alum heads come with them. Lets see what everyone else suggests.

Absolutely true....buy new valves.

For a small block...Done it several times. Get the car up on jack stands, front & back makes it easier. Disconnect battery ground cable at the battery. Then remove steering idler arm long bolt but leave idler arm attached to steering drag link, disconnect passenger side tie rod end, remove...

Thanks to all for the experience and feedback. Looks like a 408 will be in the works. As to having the shop take more readings...dealing with that shop is two steps forward and one step back. I had them deck the block in their CNC mill...the tooling that slips thru the main bearing...

Felpro perma torque head gaskets are inexpensive, and around .045-.05 thick. Don't use any sealer on them, just clean the metal surfaces with brake clean and install the gasket. For the $13 price maybe try one with playdo on top of the piston. Wipe a little WD40 on the top of the playdo so it...

There is no one in my neck of the woods that does acceptable sonic testing. The nearest "speed shop" will test ONE location on each cylinder and call that good enough...really ignorant IMO. So the question is...I have a LA360 bored .03 over, production date 1979...does the engine block have a...

I added magnum heads to my LA 360, the chevy rockers worked fine. The rocker arm contact on the valve stem tip was offset from the valve centerline, but not extremely so, and the contact width on the valve tip was kept narrow. Here is the post I made on this forum...

Tightened most all fasteners, removed and inspected pushrods and rocker arms. Everything checked out OK, so put another 100 miles on the car today. Here is a pic of rocker arm valve stem tip contact. Contact area is .07 inch wide, and stops .05 inch from exhaust "side" edge of valve. Smokey...

Thanks for the encouragement. Finished assembly today, ran the engine for 25 minutes to break in the cam, set total timing at 34*, then took the Challenger out for 20 miles on the road pushing thru the rpm range. The engine ran good with no issues. Tomorrow I'll runs the roads again after...

Photo is of 68cc combustion chamber. After polishing the chambers the volume was 62cc. Then the valves were unshrouded as much as possible, followed by enlarging the chamber below the intake valve at the bottom of pic. This last cut removed metal from the thick deck of the casting, but did not...

Finally have time to get the heads on the engine. Changes to the parts list: With the taller valves need to use Ford 302 rocker arm studs. The Mopar studs are too short and the rocker arm trunion was riding on the threaded shaft instead of the non-threaded shoulder. Second item is the Pioneer...

I'm looking forward to seeing how it turns out. Give me a couple months, there are two projects ahead of this one.

EQ heads for a street 360. Valve sizes used were 2.02/1.60 intake/exhaust. The EQ heads on the outside look identical to RHS, without the “RHS” logo. Bought most of the parts from the local machine shop, their prices were equal or better than summit, and no shipping charge...

I have a 360/5.9 liter block with the factory roller lifter yoke setup. Any idea how much valve spring pressure the factory roller lifters can handle? I asked at the local Mopar dealer concerning reliability of the OEM roller lifters...they said there were no issues, no problems...but they...

It's probably been asked somewhere, What cam specs are you running? Thanks for the great videos!!

One of the magazines did the 1.5 to 1.6 rocker swap using OEM heads, did not work out for hyd cam due to heavy weight of 3/8 valves. About a year later the same magazine(?) did a build with 1.6 rockers and newer style heads with smaller valve stems (less weight) and they had no problems at all...