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I’ve driven Studes with all the different R engines and the one that sticks with me as the best sounding from the driver’s seat is actually the R1. The reason could be that my first hippo Stude was a 63 R1 4 spd which I flogged relentlessly. The exhaust was running through silent mufflers and was a good sound but the induction noise when the secondaries of the afb opening was shear symphonic. It just made me want to run it to 6200 rpm and power shift to the next gear which I did often. The only improvement to the induction noise would be four two barrel Webers.

Let's use very quiet mufflers on all the engines so that we can single out the engine noises. Then, one engine noise to consider is the sound of the pistons swapping holes in the R3 & R4 engines. By that I mean the piston slap that one can hear with "quiet"mufflers and a nearby building to reflect the sound back to the driver when driving relatively slowly. Under WOT that piston slap would be in the mix of all the other engine noises. Also, aren't the valve clearances greater for R3 & R4 than for R1 & R2? If so, then the R3 & R4 would have a bit more lifter clatter. I'm not trying to provide the answer here; just adding up some of the component noises. BTW, ALL Studebaker engines (excepting the 56J) have solid lifters. --Dwight

Thanks. These knobs are actually for the seat releases.

A dual carbed engine does make some incredible sucking sounds although they're still very different from air being squeezed sounds. I don't know, R2 vs. R3. Blower noise is blower noise and the actual supercharging device sits in the same location. That's where the air is getting the squish. And then it would be a question of how much each supercharger is squishing what quantity of air over how much duration? The stories Ron and Doug Crall have regarding driving 1025 in the 1970s, "winding her out to the R" [in thousand R P M at bottom of the 6k tachometer] it made some glorious noises spun that tight, both induction and exhaust. That particular Paxton was a competition model which possibly brings in other factors. It also had loud tone mufflers initially, then Ron replaced those with glasspack style mufflers except they did have one baffle. These were the ones I knew driving it in the 1990s. I also only max spun it a skoosh over 5000 RPM; I pretty much only drove the car in its torque curve [R < 5252 RPM]. A modded-dupe is what I'd call it. I want to build a modded-dupe of RS1021 in 63R-1025.

Two to Austria: 63R-3216 Ernst Riesch And Co. Vienna Austria Gold R-3465 Ernst Riesch And Co. Vienna Austria White

Sorry I was wrong on above post. Here is a picture of spring in position. Longest arm on spring is in the right spot on your carb and will attach correctly to the choke lever. Dan

I’ll toss in my two cents….. In my opinion the answer may be the 1963 Avanti R2…. Reason being, from my own experience, the scream coming from the supercharger is LOUD at anything above 3500 RPM… (the factory air filter setup is basically unsilenced) Although the R3 Avanti is more powerful, it’s supercharger’s air filter is located in front of the radiator, which would quiet the supercharger noise compared to the R2 under hood setup. As far as the R4’s engine song, I’ve ridden in a 425 horse 409 Chev (dual carbs) and although the two carbs, when opened up, were very loud, (sounded great in car!) I don’t think the sound was as ‘strong’ as a wound up Paxton.

Having recently installed a SBC in my 63 I have contended with the heighth issue, I have the Edlebrock performer intake and Edlebrock carb, air cleaner base with recessed center that fits over carb. The trick for me was to go from a 3 inch aircleaner element to a 2 inch. There is no doubt that the SBC sits taller than the Stude 289 in the engine bay.

Three exported to Italy from the factory 🙂 Compagnia Generale Auto, Milan. 4641 Gray Compagnia Generale Auto. Milan 4643 White Renato Bornigia. Rome 3141 Gold

You should be able to find them on eBay. The seats were common with several German cars in the 80's and I found several parts that I needed for my 82 seats a year ago. There may be a part or ID # on your old part if you still have them that might help too.

Hope you can open Dropbox https://www.dropbox.com/scl/fi/zbgmt215j7hkk6of65nct/carter-afb-emanual.pdf?rlkey=6vztsvrfr2pd9xomt3se7ejmm&dl=0 The Carter AFB Manual shows the spring. page 40/79 etc ...

The spring is on backwards. Tall arm hocks on notch in chock arm facing to the firewall. Bottom part hooks on to notch on lower part of same chock arm and I don't see it your picture. Dan

Single-plane intakes are better for high rpm performance but a dual-plane such as the Performer are better at lower rpm’s and better all-around performance.

my 79, likely NOT stock, had a Edelbrock MT-1 (early low profile single plane Torker, popular among early Vette enthusiasts) manifold and Carter AFB. Replaced the Torker with a Performer EPS, well worth the extra 3/8" height.

on my 79 the front is dropped back down to Stude height, with a C4 front suspension/frame grafted to the frame and wheel arches restored to 63 cut. Hood clearance is short and it had a single plane low profile Torker manifold with an older carter AFB. Not very smooth off-idle, and that's typical of single planes. After much deliberation I bought and installed a new dual plane Edelbrock Performer EPS, which is ~3/8" taller. The change was nothing short of amazing. I did have to tweak my air filter housing, but there was room. The old AFB was still a bit persnickety (and didnt have a choke) so when I saw a Holley 4150 on sale I picked one up. I believe I'm now running the same setup as Wildfeir. It took a little more effort but I'm pretty happy with it. I may go to a different power valve but it ran pretty well right out of the box.

Here you find a good picture. https://www.ebay.com/itm/265096515598

The 300HP / 327 used in the 67 Avanti has hydraulic lifters. The R3/4 cams were solid lifter and noisy.

Other thoughts on this burning question??

Interesting… and the ‘64 R4 indeed could be the ‘ noise king’! Your ‘67 327 sounds like a great ride!!

Good points… however, I was leaning to the sound of the engine itself from inside the passenger compartment. (if it’s actually possible to ignore the sounds the exhaust system produces!!!)

For lumbar levers.

A couple thoughts: 1) The exhaust sound of a Studebaker V8 is much louder than that of a Chevrolet V8, all else being equal. 2) The exhaust sound of an R3 is notably different than that of an R2. 3) Wouldn't the R4, with its two carbs, make a loud sucking sound when under full throttle? (I haven't had an R4, so no experience here.) 4) The supercharger of an R2 or R3 will make a nice scream when under full throttle. 5) The more horsepower an engine produces the louder its exhaust. So, it depends on what kind of exhaust sound one wants. --Dwight