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05-22-2024, 09:03 AM
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#1 |
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Senior Member
 
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,373
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402 BB Spintech Mufflers
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A husband can be right...or...A husband can be happy.  67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk.  1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc   JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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05-22-2024, 09:03 PM
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#2 |
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Senior Member
 
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,414
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Re: 402 BB Spintech Mufflers
Sounds good
__________________
70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
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05-22-2024, 10:39 PM
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#3 | |
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Senior Member
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,320
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Re: 402 BB Spintech Mufflers
Quote:
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Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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05-23-2024, 06:56 AM
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#4 |
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State of Confusion!
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,216
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Re: 402 BB Spintech Mufflers
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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05-23-2024, 07:23 AM
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#5 |
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Registered User
Join Date: Sep 2020
Location: Cleveland, Ohio
Posts: 553
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Re: 402 BB Spintech Mufflers
Sounds good! I have Spintech on my truck also. Much nicer sound that Flowmasters.
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05-23-2024, 12:19 PM
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#6 |
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Senior Member
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,414
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Re: 402 BB Spintech Mufflers
What series mufflers are those?
__________________
70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
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05-23-2024, 06:36 PM
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#7 |
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Registered User
Join Date: Aug 2013
Location: Calgary, Alberta
Posts: 683
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Re: 402 BB Spintech Mufflers
The youtube comments say they're SPORTSMAN STREET 3000XL.
I also had Spintech 3000 series on my 402 BB. They were too loud and droned, for me. https://youtu.be/J5CxfMAJR5U Much happier with my dynomax super turbo mufflers, now.
__________________
1972 Cheyenne Super SWB PS, PB, Tach, A/C, Tilt. Drivetrain: Built 402BB, TCI Streetfighter 700R4, 2,500 stall, Eaton posi, 3.73. Suspension/Chassis: ECE 4.5/6.5 drop, CPP nitrogen shocks, CPP front and rear sway bar, CPP cross members. Exhaust: 3" exhaust with x-pipe, Spintech 3000 mufflers, Hooker ceramic coated headers. Best 1/4 mile time: TBD. |
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05-23-2024, 08:23 PM
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#8 | |
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Senior Member
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,373
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Re: 402 BB Spintech Mufflers
Quote:
__________________
A husband can be right...or...A husband can be happy. 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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05-23-2024, 08:28 PM
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#9 | |
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Senior Member
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,414
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Re: 402 BB Spintech Mufflers
Quote:
__________________
70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear Last edited by 70STOVEBOLT; 05-24-2024 at 12:10 PM. |
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05-23-2024, 10:21 PM
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#10 | |
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Registered User
Join Date: Apr 2014
Location: California
Posts: 975
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Re: 402 BB Spintech Mufflers
Quote:
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05-23-2024, 11:01 PM
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#11 | |
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Senior Member
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,373
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Re: 402 BB Spintech Mufflers
Quote:
__________________
A husband can be right...or...A husband can be happy. 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! Last edited by 70cst; 05-23-2024 at 11:06 PM. |
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05-23-2024, 11:02 PM
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#12 |
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Senior Member
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,373
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Re: 402 BB Spintech Mufflers
Folks - these are quiet in the cab but great sounding outside...
__________________
A husband can be right...or...A husband can be happy. 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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05-23-2024, 11:03 PM
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#13 | |
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Senior Member
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,373
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Re: 402 BB Spintech Mufflers
Quote:
__________________
A husband can be right...or...A husband can be happy. 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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05-24-2024, 12:14 PM
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#14 |
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Senior Member
Join Date: Jun 2005
Location: Winona Lake, IN
Posts: 6,414
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Re: 402 BB Spintech Mufflers
The Thrush turbos are pretty quiet until you get on it then it gets loud. But not as loud as with the electric cutouts opened up…
__________________
70 C/10 SWB 402/TH400/3.73 "The Needy Beast" 200,000 Mile Club Disc Brake Club Owner installed options: Front Sway Bar Power Steering Power Brakes Cigar Lighter Courtesy Lights Deluxe Side Markers Wiper Delay Sliding Rear Window Power Windows Power Locks Sniper EFI 2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear |
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05-24-2024, 12:40 PM
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#15 | |
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Registered User
Join Date: Aug 2013
Location: Calgary, Alberta
Posts: 683
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Re: 402 BB Spintech Mufflers
Quote:
No drone, vs the Spintech 3000's I had.
__________________
1972 Cheyenne Super SWB PS, PB, Tach, A/C, Tilt. Drivetrain: Built 402BB, TCI Streetfighter 700R4, 2,500 stall, Eaton posi, 3.73. Suspension/Chassis: ECE 4.5/6.5 drop, CPP nitrogen shocks, CPP front and rear sway bar, CPP cross members. Exhaust: 3" exhaust with x-pipe, Spintech 3000 mufflers, Hooker ceramic coated headers. Best 1/4 mile time: TBD. |
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