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Hey guys, just rebuilt the 273 in my 66 cuda and need a little help getting the holley tuned in. Basically a stock rebuild: Comp Cams Duration 250/260, Lift .432/.444, factory intake and exhaust, used a holley 390 CFM I had. Car idles and cruises great but does stumble a bit when I get on the...

Bill, if I sent you a pic of the bolt location, would you know the length?

Thanks Pishta!

Anyone have a diagram of the bolts for a 273 water pump? Just rebuilt the engine and the left water pump bolt holding the alternator lower bracket is leaking. Feels like it's a bit too short - i'm not getting any bite on the thread once it's all the way in. Need to know what length each of the...

I've just rebuilt my 66 commando 273. Got everything together and ended up having a bad cam from the rebuild kit. Ordered Comp cam and lifters - Lift .432/.444. Got everything back together and pushrods are too long for specs in Comp data sheets. I traded my adjustable rockers and pushrods...

I was out with the car on Sunday when I heard a loud tapping sound. Turns out #2 exhaust lifter is shot. Probably less than 100 miles since the rebuild. I'm assuming this is what causing the engine to act up and then die at 4000. Anyone had this happen after a new rebuild?

Stock rebuild, but switched to non-adjustable rockers on the commando 273 with hydraulic cam. Haha, the fuel filter is new! I'm going to check the plug wires and coil on Sunday and see where that leads.

I just had my 273 rebuilt, .030 bore. Put it back in and runs great at low rpm around town. But once I hit 4000, it's almost like the engine just stops pulling. And, if you rev up the engine in neutral to around 4000, it starts missing once it idles back down and sputters a bit. Any...