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Just curious.

This is 1965 factory stock 273 Carter AFB, 273 factory intake, 273 factory exhaust manifolds on a stock rebuilt 318 short block with 2.5 inch TTI dual exhaust. Only about 2,000 street miles on re-build which, up until now, had a rock-solid smooth idle but now shaking noticeably at idle. Warm...

This morning I got all my chores done early and was looking for something else to do. Some years ago I purchased two small block oil pans and never opened the shipping box. Well, Christmas is here and Santa brought me nothing (bad boy?) so I open the box. I pull out two small block oil pans...

One time bracket racing my '65 Valiant four-door 273 A833 with 4.56 gears at Fremont Raceway, I experienced a run with a total loss of traction. Really freaked me out. Parked in the pit area and starting snooping around under the vehicle. That's when I noticed the belts were showing through on...

There is a formula to determine what ET one should be running based on MPH in the quarter mile. ET = 1353/MPH or MPH = 1353/ET my mph was 108 so it should run 12.52 but my best was 12.72 my mph was 104 so it should run 13.00 but my best was 13.29 When I punch my MPH into the formula, I find my...

When a hydraulic lifter cammed motor experiences valve float, how far open are the valves when this happens? Do both intake and exhaust valves float at the same time or do the heavier intake valves always float first? When does this condition cause contact between the piston dome and valve...

Would like to compare specific stock rod "end" weights with advertised custom/aftermarket rods. Thank you.

How much does a set of small block piston rings weigh (grams)? Does an engine balancer or crankshaft supplier/manufacturer need to take ring mass into consideration during final balance of reciprocating assembly? Thank you.

Just spoke with my custom rod manufacturer who told me he machined the bearing tab slots differently in the upper and lower parts (rod and cap) of my connecting rods. The reason being the sample connecting rod bearing I sent him had the tab offset a little differently between the two halves. At...

I was wondering if a full radius fillet is standard practice, optional, or not used when building the billet type crank. Thank you.

Does anyone have a part number for the Mopar 340 cylinder head from the 1970's that was cast iron but with no heat crossover passage? And another question, how much (if any) compression would be lost putting these heads on a 273 with 10:5 compression factory style pistons? Thank you. The reason...