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Edit: the R3 blocks were available at a nominal 8.900 and IIRC you could take another .100 off if you thought you needed to.

LOL, I worked at the corner of Earth City Expressway (now 141) and Rider Trail N. for 14 years. I thought it looked familiar! That may be some of my rubber on the road! :lol:

Hmmm I just happened to see there is a Nick's customs in Brantford wonder if it's the same guy.

I also have a 72 340 Duster that originally had 3.23s and have swapped to 3.91s. Although my 340 is now 422” and I run a 4 speed. In my opinion 3.91 and a 4 speed are a match made in heaven for a street car.

Eliminate the head unit entirely and spend that money on a DSP(Digital Signal Processor) with built in amp instead. Instead, download Tidal onto your smart phone for CD quality and above music streamed directly to the DSP and then to your speakers. If you conceal the speakers, no one will...

Do you recall the decks on those blocks? I think they were nominally 9 inch IIRC.

R5P7 nascar smallblock is what I'd be thinking

Prays to you. Glad you are safe.

You’d have a rod to stroke ratio of 2.29 and if you ran a car with over 270 advertised duration you’d never get the valve notched deep enough. You could make the piston thicker at the valve pockets but you’re just making the piston heavier than it needs to be. If it’s an unlimited induction...

I am looking to install a new stereo for my '72 Duster. I don't want anything "crazy", just a solid sounding system. Probably looking at 6x9s in the back with a single DIN head unit, and probably a power amp. Suggestions or other ideas would be greatly appreciated!

Well, I already have most all of the parts and pieces. So if I can tweak a couple things and get another 50hp or whatever....I'd definitely consider it. Sending for porting, including necessary valve changes, etc. That's gonna end up costing a couple grand. I could manage a cam change, maybe...

Yesterday was a beautiful fall day, and my youngest son has some reorganizing of his single car garge to do this fall/winter and a winter car project as well ( another vehicle ) i told him his Duster could spend the winter at my garage. My garage isn't massive just a two car garage but like a...

Hey guys... I have a '72 340 Duster with a few engine mods (Holley 750, bored .030 over, Mopar performance purple cam/P4120235, Hooker comp headers, Edlebrock Torker II intake, 2.5" exhausts with Flowmaster mufflers). It has a Mopar 727-A three speed auto trans with a 3200 RPM Stahl Speed...

Yunick13, per post #365 your Midwest Nationals picks are carried over to the Texas FallNationals.

This is interesting. I was looking at my 383 and run twin 72mm turbos, but under 372 would be a better class. No nitrous as that goes into a Fuel class.

Thank you!

I honestly appreciate everyone's comments and input. I go look at that block tonight and see if it's worth it.

The speedo never worked in this car when I bought it. I've finally starting messing with it and I don't know if it's bored out or if the cable just isn't the right one. I thought it should be square, but this one looks circular.

We're near the SC/GA/NC border. We took a beating. Luckily no major flooding in our area but lots of trees down, power out probably for days yet. We have to go travel a bit just to get cell service and power/internet to stay in touch. Our prayers go out to everyone that is dealing with the...

What intake do you have now? I am of the belief that not all combo’s will benefit with that swap.

That's shorter than a small block, that would be unreasonable lol, nearly 1 inch shorter. The stroke you mentioned 3.100 with a 7.100 rod bbc journals and a 1.320 ch piston would work with a standard deck height block with .010 to deck square. Fairly lightweight and rev to the moon, put some -1...

A quick update on the AC. I got the ducting run and although the heater hoses and AC lines have yet to be built/connected, I was able to test the unit and check for the volume of air that would come out of the vents. I’m very happy with the results. There’s good velocity coming out of the...

You asked a question. Thank God this isn’t school where you can’t discuss anything outside of what the teacher wants

lol you know I hate math but I’ll have to run the numbers. Pulling the numbers out of my arse I’d say a 9.000 deck would be about as tall as you’d want it.

What have I done?!?! :eek:

Dunno why, but post 21 brought this clip to mind

Gentlemen (and ladies), I would appreciate any thoughts on my situation. Car is a 1969 Dart Swinger 340. I Just replaced manual steering box with Peter's BAC Borgeson unit, and the spindles with Cass/Doctor Differential spindles for Stage 2 disc brakes so I could move up to 5x4.5 bolt pattern...

I don't think so. He's just a member on these sites.

How short of a deck ?

60 over 361 b engine...Indy top end