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11-09-2003, 01:54 PM
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#1 |
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Senior Member
 Join Date: May 2002
Location: mt juliet, tennessee, usa
Posts: 237
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Flow(Masters?)
Well I wanted to replace the cheapass
parts store mufflers currently on my 69 C10 P/U with 350/th350. They are light guage metal and sound like it. So I bought a set of 50 series Flowmasters. There seem to be rather strong opinions on these mufflers but compared to the crapola that I have on now, they're an improvement. (They were on sale to boot) My question is...do I have to put a continous bead around each joint or can I tack weld each joint instead? Also...do they tend to run higher temperatures than other mufflers? Will I have to use heat shields? Jim Mt Juliet 
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11-09-2003, 02:48 PM
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#2 |
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Registered User
Join Date: Jan 2003
Location: Seattle WA
Posts: 1,466
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WXMAN1:
Not sure about the wld question....but I have 40's on mine that are mounted pretty darn close to the bottom of the bed....they get very hot...in fact if my bed was wood...I would either have them moved or have heat shields installed. I think it will depend on where you install them.
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FocuzTech Performance Evergreen Protective Coatings Gatorhyde...the best kept secret in spray in bed lining & protection |
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11-09-2003, 02:54 PM
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#3 |
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Insert witty comment here
Join Date: Nov 2003
Location: Lakeville Minnesota
Posts: 388
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I have them on my 74 with approximately 4 inch clearance from the wood bed. No probs. I also was concerned at first. I don't know how much clearance you will have though.
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So many trucks, So little time! |
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11-09-2003, 03:02 PM
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#4 |
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Try spinnin 4 rear tars
Join Date: Sep 2003
Location: Salt Lake City, Utah
Posts: 757
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put a weld all the way around, or it will leak on you. As for spacing, a few inches should be fine. Mine is ~5" from my bed (not wood). I can feel the bed get warm when driving around, but not hot... But it does melt all of the snow out of my bed in the front half of my bed
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SWEET7T 1970 C10, 2wd, LB, 307/TH350/3.08. PS, PB |
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11-09-2003, 04:47 PM
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#5 |
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Formerly yellow72custom
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
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My 40's are about 4-5" under my metal bed....no heat problems. No tailpipes either, the mufflers just end there.
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'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride. '70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck. '97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg |
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11-09-2003, 05:00 PM
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#6 |
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Registered User
Join Date: Aug 2001
Location: SOMERSET KY.
Posts: 6,425
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I JUST BOUGHT SOME 40 SERIES FLOWMASTERS ON EBAY FOR $37 EACH. I'VE PREVEIOSLY (SP) BOUGHT THEM THRU SUMMIT FOR ABOUT $65 SO THIS SEEMED LIKE A GOOD PRICE. THIS GUY HAS A DUTCH AUCTION GOING ALL THE TIME, SO JUST DO A SEARCH FOR FLOWMASTER ON EBAY. JOHN
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junkyardjohn 69 1 TON TOW TRUCK // 84 4WD CUCV BLAZER// 85 1 TON 4WD STAKE TRUCK// 86 M1031 5/4 TON 4WD CUCV// ALOT OF OLD TRUCKS FOR ONE OLD MAN TO DRIVE.  THERES ROOM FOR ALL OF GODS CREATURES RIGHT NEXT TO MY MASHED POTATOES//LIFE MEMBER OF P.E.T.A (PEOPLE EATING TASTY ANIMALS) DON'T RENT U-HAUL ALWAYS TELL THE TRUTH IT WILL AMAZE PART OF THE PEOPLE & ASTONISH THE REST |
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