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Ring compressor recomendations #1317078 10/08/12 02:22 AM 10/08/12 02:22 AM
Joined: Nov 2009 Posts: 252 Seattle, WA. E edp OP enthusiast
edp OP enthusiast E Joined: Nov 2009 Posts: 252 Seattle, WA.	As the title suggests - whats a really good one or type? I've got a crappy conventional one that worked OK on Datsun 76mm pistons but is sh**y on 4.25" pistons. the tapered ones look pretty decent, not east to find local though.. thanks, Evan

Re: Ring compressor recomendations [Re: edp] #1317079 10/08/12 02:26 AM 10/08/12 02:26 AM
Joined: Jan 2003 Posts: 5,875 communist bloc of new jersey J jamesc master
jamesc master J Joined: Jan 2003 Posts: 5,875 communist bloc of new jersey	it depends on what you want. tapered is by far the best, there is also the split tapered though i've never used them so i don't know what the range is. the plier type can have a big range and work ok as long as you're careful as for finding local you could order any of them online

Re: Ring compressor recomendations [Re: jamesc] #1317080 10/08/12 06:05 AM 10/08/12 06:05 AM
Joined: Feb 2007 Posts: 6,295 U.S. M moparniac master
moparniac master M Joined: Feb 2007 Posts: 6,295 U.S.	I have total seal and is adjustable. Mopar Performance

Re: Ring compressor recomendations [Re: jamesc] #1317081 10/08/12 07:25 AM 10/08/12 07:25 AM
Joined: Oct 2003 Posts: 7,506 Az Crizila master
Crizila master Joined: Oct 2003 Posts: 7,506 Az	Quote: it depends on what you want. tapered is by far the best, there is also the split tapered though i've never used them so i don't know what the range is. the plier type can have a big range and work ok as long as you're careful as for finding local you could order any of them online Save yourself some grief and go tapered. You can get them pretty reasonable on E-bag. Think I bought a set of 4 ( along with a ring squaring tool ) for around $120. Fastest 300

Re: Ring compressor recomendations [Re: edp] #1317082 10/08/12 07:33 AM 10/08/12 07:33 AM
Joined: Jan 2003 Posts: 11,657 Fitchburg,Massachusetts MPerry Mopahts memba'
MPerry Mopahts memba' Joined: Jan 2003 Posts: 11,657 Fitchburg,Massachusetts	I bought the proper sized fixed style and love it. Goodvibe Racing

Re: Ring compressor recomendations [Re: edp] #1317083 10/08/12 10:56 AM 10/08/12 10:56 AM
Joined: Jan 2003 Posts: 16,923 NC 440Jim I Live Here
440Jim I Live Here Joined: Jan 2003 Posts: 16,923 NC	The tapered ring compressors are so nice and easy to use. Broken rings are a thing of the past. Think of it as a cost of building the motor. And a tool you will have for the rest of your life. Including any future rebuilds. If you do a lot of different size motors/pistons, then the locking pliers type with several bands are the next best thing. http://www.summitracing.com/parts/ARP-900-3750/ http://www.bing.com/shopping/alltrade-94...r&FORM=HURE

Re: Ring compressor recomendations [Re: 440Jim] #1317084 10/08/12 11:21 AM 10/08/12 11:21 AM
Joined: Oct 2003 Posts: 7,506 Az Crizila master
Crizila master Joined: Oct 2003 Posts: 7,506 Az	On E-bay or Racers Outlet - "PRC" #41-4000-kit = $87.99 and consists of 4 tapered compressors (4", 4.030", 4.040", and 4.060". Fastest 300

Re: Ring compressor recomendations [Re: edp] #1317085 10/08/12 11:57 AM 10/08/12 11:57 AM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	This is the style I use... it gives you a small bit of adjustment so if I bore the engine it will still work(this isnt the size I use but the same thing)... it is the tapper style http://www.summitracing.com/parts/SME-90A3900/

Re: Ring compressor recomendations [Re: Crizila] #1317086 10/08/12 11:58 AM 10/08/12 11:58 AM
Joined: Jan 2003 Posts: 6,266 Renton Washington T Triple Threat master
Triple Threat master T Joined: Jan 2003 Posts: 6,266 Renton Washington	I purchased a Summit brand adjustable tapered compressor for my last engine build. I was very pleased with it. Much much nicer than the cheap band style. http://www.summitracing.com/search/Part-...ing+compressors -Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA

Re: Ring compressor recomendations [Re: MR_P_BODY] #1317087 10/08/12 12:00 PM 10/08/12 12:00 PM
Joined: Oct 2003 Posts: 7,506 Az Crizila master
Crizila master Joined: Oct 2003 Posts: 7,506 Az	Quote: This is the style I use... it gives you a small bit of adjustment so if I bore the engine it will still work(this isnt the size I use but the same thing)... it is the tapper style http://www.summitracing.com/parts/SME-90A3900/ The taper plus adjustability thing is nice. Fastest 300

Re: Ring compressor recomendations [Re: Crizila] #1317088 10/08/12 12:17 PM 10/08/12 12:17 PM
Joined: Nov 2009 Posts: 252 Seattle, WA. E edp OP enthusiast
edp OP enthusiast E Joined: Nov 2009 Posts: 252 Seattle, WA.	thanks guys, thats quite a list! I figured the tapered one would be what I end up with. If stock pistons are 4.250 (I think - should measure) & mine are .030 over I assume I need the 4.280 tapered or do you want one slightly larger than the oversized piston? Oh yeah, going in a 69 383 HP motor, badger 10:1 pistons. Thx. E Last edited by edp; 10/08/12 12:19 PM.

Re: Ring compressor recomendations [Re: edp] #1317089 10/08/12 12:20 PM 10/08/12 12:20 PM
Joined: Jan 2003 Posts: 6,266 Renton Washington T Triple Threat master
Triple Threat master T Joined: Jan 2003 Posts: 6,266 Renton Washington	Get one intended for the bore size you will end up with, 4.28 in your case. http://www.summitracing.com/parts/SME-90A4250/ -Dustin 67 Dart, 9 second, 392" G3 Hemi 68 Barracuda 340 F/SA

Re: Ring compressor recomendations [Re: 440Jim] #1317090 10/08/12 12:56 PM 10/08/12 12:56 PM
Joined: Jan 2003 Posts: 5,875 communist bloc of new jersey J jamesc master
jamesc master J Joined: Jan 2003 Posts: 5,875 communist bloc of new jersey	Quote: The tapered ring compressors are so nice and easy to use. Broken rings are a thing of the past. Think of it as a cost of building the motor. And a tool you will have for the rest of your life. Including any future rebuilds. If you do a lot of different size motors/pistons, then the locking pliers type with several bands are the next best thing. http://www.summitracing.com/parts/ARP-900-3750/ http://www.bing.com/shopping/alltrade-94...r&FORM=HURE this is the point i was trying to make the tapered compressors are great but when i worked in an engine rebuilding shop it was not practical and the plier type will work decent you just need to be careful. we used to upset the bottom of the band with a pair of dykes so there was a little part sticking out to keep the band from wanting to go into the bore which was the biggest problem i ever saw with them. come to think of it of they would just spotweld a little nub on them it would be great

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