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351mach1, The 1972 HO engine (as delivered) should be a solid lifter engine and therefore (should ) have screw in rocker studs and adjustable rocker gear with open chamber heads. The CJ (should) have hydraulic camshaft, pedestal rocker arms and open chamber heads. Boilermaster

FirstMach1, How well did the engine crank when you had no fire ?. If in doubt, simply disconnect the distributor and take the timing out of the equation. With no fire the engine doesn't know or care what the timing is. If the engine still does not crank well the issue is with cranking. Once that...

73 pony how about a picture of the exact hole this bolt came from?. If it came from on top of the lower hose it would thread into the engine block. If it came from BELOW the hose it threads into the timing cover and NOT the engine block, two totally different jobs. If it is the lower, I do NOT...

Ok, I am seeing a pattern here, aluminum radiators. both 3 and 4 core probably do not flow as well as thier OEM counterparts and who is still running OEM timing with 1971-73 fuel ? We change the base, curve and total timing because the lead and octane are no longer there, how can we expect what...

A smaller water pump pulley will increase air flow AND coolant flow, just saying. Boilermaster

Randyi00. I am running 408 C manual trans OEM 429 radiator with correct shroud, high quality fan and clutch and aluminum restrictor with 195 degree Windsor thermostat. my 71 FB,s temp would climb at extended idle in 80 degree temp until I installed a 351 AC water pump pulley, which is a smaller...

Fellas, Really, 12 point flare nut wrench set, they will only cause you skinned knuckles and rounded off flare nuts. Boilermaster

basstrix, are you running aftermarket fuel injection ?. If so, perhaps you have some EMI.. Never known it to be an issue with carb and Duraspark. if you are injected, might I recommend some 3M EMI tape on your pickup and tach signal wiring ? Boilermaster

basstrix, Would like to see what the tach signal looks like with the vacuum advance disconnected and plugged. Your rotor phasing could simply be worse on the low end, and gets better (closer) as the mechanical advance (rpm) increases. My experience tells me that rotor phasing is usually poor...

basstrix, How far off are you ?. are you checking mechanically or electronically? if electronically, leading edge or trailing edge ?. When I was running duraspark, I simply rotated to my all in timing with timing already set and rotated advance assy. against spring tension and low and behold, I...

Walter1973, I was able to use the stock driveshaft from my 1973 fb donor car with Q code and toploader. What I had to do was to use the (super short) Daytona pinion yoke from my N case differential. this yoke is actually way shorter than the short 4 inch yoke but is only for Daytona big bearing...

Walter1973, Looking good, ready for driveshaft. Boilermaster

Walter1973, It just occurred to me that when installing the MDL crossmember to install the trans mount on the crossmember with the transmission as high as it will go and then slide it foreword on the mount pad and align the two holes for the bolts, as there is not enough room to get past the two...

Walter1973 Modern Driveline MD6773M-CMTKX works for my 71fb. $ 165.00 Boilermaster

pjs2pc, Try adjusting your pump like this, choke fully open, wide open throttle engine off. place a flat blade screwdriver on the pump body lever and fully depress it. Now measure between pump body lever and bolt head, shoot for ..015 inch clearance. when you remove the feeler gauge the pumps...

Superbond, you could remove the complete vacuum pod as a unit (3 screws and an Eclip and apply vacuum to the pod an see if the rod moves an holds. a vacuum pump works well for this or simply push the rod in and place your thumb over the port and see if it holds. depending on what version of pod...

Vincent72Q, Have you assembled just one side or both ? Please keep in mind that wheel bearing cups, cones and seal can have an effect on where that brake rotor sits in relationship to the spindle and the caliper bracket. one bearing cup not being fully seated in the rotor could be causing an...

Machattack, MSD 6al ignition, one strike against you (high energy and magnetic pickup) a distributor with an optical sensor would be much better. Specifically what alternator are you running (style and amp rating?. electric cooling fans electrical rating ?. air cleaner size and clearance to...

GERMYS 72. You did not state if your pedals are OEM or aftermarket, the brake light switch could cause grief, they are different from power to non power brakes, just know what brakes your donor had, weather it be OEM or aftermarket. The difference is in the height. of the attachment rod, which...

Mjseakan, Bring the arrow on the camshaft gear to 6 o clock. by doing this, it should put the keyway on the crankshaft gear very near 12 o clock. If you have 4 degree crankshaft gear that should put the crankshaft gear dot just to the left of the keyway (never heard of a blue dot on an OEM Ford...