rufcar Posted September 20, 2022 Report Share Posted September 20, 2022 When I got my 63 R2 in July the PO said the fan always ran full bore. I checked the feel cold and it was like all my other cars but just in case I got a new one and replaced it. It is still the same. The engine sounds like a huge fan on full high all the time. IT IS NOT THE BLOWER! How do I know that? Because it was the same before I had the blower hooked up. Any suggestions? How does everyone else's R2 sound? Link to comment Share on other sites More sharing options...
Leo B Posted September 21, 2022 Report Share Posted September 21, 2022 (edited) In this videothe engine is cold so you will hear knock sound from lifters. But when warm the sound is much softer. Note that phone records mostly high sound frequencies. https://www.dropbox.com/sh/uztyilp7fwc3q3i/AAC8oDcL3kHoGRaIM0XxW9TNa?dl=0 Edited September 21, 2022 by Leo B Link to comment Share on other sites More sharing options...
rufcar Posted September 21, 2022 Author Report Share Posted September 21, 2022 Leo B Thanks for that. With mine the fan sound like its locked up. 2nd clutch, turns free always full bore. its all I hear even through the dynamatted cabin and insulated hood! jim Link to comment Share on other sites More sharing options...
Leo B Posted September 21, 2022 Report Share Posted September 21, 2022 (edited) Does it spin freely when you turn it by hand but not roll? Have you installed the fan correctly way (5 blade: the top of the blade turns forward)? BTW... do you have 5 blade or 6 blade? It has been said that 6 blade makes more noise? Edited September 21, 2022 by Leo B Link to comment Share on other sites More sharing options...
rufcar Posted September 21, 2022 Author Report Share Posted September 21, 2022 I just checked I have the 6 blade fan. Tkx for that. Link to comment Share on other sites More sharing options...
Leo B Posted September 23, 2022 Report Share Posted September 23, 2022 (edited) Hi again. I just remember one thing which makes loud sound - Bad Timing Gear. Also note that Stude Avanti 289 uses aluminium gear which is not the quietest. I had classic Volvo and tested three different timing gears; Fiber, aluminium and steel. Huge differences. Fiber had very soft sound and steel like airplane turbo sound. I think that fiber do not stand 289 power. Aluminium is used also in classic sport Volvos. Steel in race Volvos. Bad and dry timing gear will make very loud sound. I use Mechanic's Stethoscope to find where the sound comes. Edited September 23, 2022 by Leo B Link to comment Share on other sites More sharing options...
64studeavanti Posted September 23, 2022 Report Share Posted September 23, 2022 I would change out the 6 blade fan. I tried one on my 64 and the noise was unbearable. Went back to stock 5 blade. Problem solved. Link to comment Share on other sites More sharing options...
Avanti1963! Posted September 23, 2022 Report Share Posted September 23, 2022 The reproduction fan drives are known to be much louder than the factory drives. I was told they sound like a wind tunnel. Link to comment Share on other sites More sharing options...
rufcar Posted October 8, 2022 Author Report Share Posted October 8, 2022 met several Avanti owners at Hershey. all 3 at the same problem as I. one guy changed his clutch 3 times to no avail the other 2 use a 5 blade original fan and its still very loud. Went for a drive today with the windows closed. All I head is that fan. I think but not sure If I can find a different fan clutch than the ones we buy from Avanti suppliers it might turn even more freely and make less spinning noise. Link to comment Share on other sites More sharing options...
mfg Posted October 8, 2022 Report Share Posted October 8, 2022 I agree with 64studeAvanti.. Replace the six blade with stock five blade.. Doing that will definitely reduce fan noise level. Link to comment Share on other sites More sharing options...
rufcar Posted October 8, 2022 Author Report Share Posted October 8, 2022 Like I said the 3 folks I met did that and it's still very loud. Link to comment Share on other sites More sharing options...
Leo B Posted October 9, 2022 Report Share Posted October 9, 2022 (edited) When I bought new water pump, cam shaft timing gear, I bought also new fan shroud, belts and this fan clutch and result is normal "noise/music". https://www.parts123.com/parts123/dyndetail.pta?catalog=0001003a&uKeY=AAECZ Edit. If you have stethoscope check also sound from timing gear. Edited October 9, 2022 by Leo B Link to comment Share on other sites More sharing options...
rufcar Posted October 9, 2022 Author Report Share Posted October 9, 2022 dont need one you can see and hear the sound of the fan. The entire engine was rebuilt. Tkx Link to comment Share on other sites More sharing options...
mfg Posted October 9, 2022 Report Share Posted October 9, 2022 'Fan roar' is definitely more noticeable in Avantis than in 'steel' Studebakers....Just part of the 'AVANTI EXPERIENCE'! Link to comment Share on other sites More sharing options...
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