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01-08-2003, 07:58 AM
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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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H Pipe
I'm thinking about a set of Flows for my 69 C10.
When I went to the Flowmaster website, they state that they highly recommend an H pipe for all dual exhaust applications. Anybody know why? Is anyone else running flowmasters without the H pipe? Jim M. Mt Juliet 
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01-08-2003, 08:11 AM
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#2 |
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Registered User
Join Date: Jan 2000
Location: Tulsa, Oklahoma
Posts: 498
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If you put the H pipe in the right place, its free torque, improved scavenging, very slightly more subtle exhaust tone, added rigidity to the exhaust system.
Cheers Richard
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Broken Arrow, OK. 1977 Corvette, ZZ4 Crate, new interior, new suspension, new driveline, you get the picture, (new project / daily driver) |
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01-08-2003, 08:22 AM
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#3 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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I would reccomend an H or X pipe in any dual system, the x is new tec , but a little harder to fit to the chassis. They are basically a balance tube, that lets the pipes draw from either side to help with the out of sequence pulses in the firing order. The "balance pipe" will give more response in the low & mid ranges, without hurting top end power. They also mellow the ex note,& give it a more "tuned" sound. they are also said to pick up some milage.......i couldnt say on that(my foot is too heavy!)
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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01-08-2003, 08:59 AM
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#4 |
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Led Sled! Discs R 4 ME!
Join Date: Jan 2001
Location: Toms River, NJ, USA (Transplanted Hoosier)
Posts: 7,327
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If you do go with a H pipe have them put one in that has flanges so that it can be removed for trans and drive line service.
Denny |
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01-08-2003, 11:24 AM
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#5 |
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Registered User
Join Date: May 2000
Location: Frankfort, Kentucky, USA
Posts: 2,163
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I have an X pipe on my truck, motor really sounds good, not sure if its the pipe or the mean cam i stuffed in it. It impressed my dad. He had one put on his 87 4x4.
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'69 CST Short fleetside Lowered, 400 small block, 700R4, 4 wheel disc brakes, front sway bar & rear camaro sway bar (in progress) '87 V10 4x4 Short Fleetside Quad Suspension and Dual Tanks |
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01-08-2003, 12:33 PM
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#6 |
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Half a bubble off!
Join Date: Jun 2000
Location: Winfield, Ks, USA
Posts: 5,588
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No dual exhaust should be without it, it's a good thing!
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Just call me LB.  '71 Cheyenne, 402BB, hauls blondes, brunettes, or redheads. |
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01-08-2003, 12:53 PM
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#7 |
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Project Junkie! Fishing Poor!!
 
Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,770
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Here is a picture of our Performance EX exhaust system installed under a 68 Short Bed Chevy 2WD with T-400 transmission. You can see it would be a tight squeeze, but I believe the tranny could be removed with the exhaust in place.
http://www.classicheartbeat.com/exaust.htm WES www.ClassicHeartbeat.com
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On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys Last edited by Classic Heartbeat; 10-04-2007 at 06:47 PM. |
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01-08-2003, 01:08 PM
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#8 |
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Registered User
Join Date: Jul 2000
Location: Chandler, Arizona, USA
Posts: 299
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I am running 2 1/2 inch pipe with dual flowmaster and no H or X pipe..dumped right before rear tires. Sounds real good.
Douglas. |
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01-08-2003, 03:10 PM
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#9 |
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Low & Slow
Join Date: Dec 2002
Location: Oklahoma
Posts: 1,047
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I wished my exhaust was longer... It's turned down right under where the carrier bearing is... Hey wes do you guys sell just he x portion of the exhaust?
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70' C-10 LWB Fleetside 4.5/6 drop 
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01-08-2003, 03:19 PM
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#10 |
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Project Junkie! Fishing Poor!!
Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,770
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Yes we do. We call that section the Street EX. If you click on the link provided it will show you pictures and prices.
http://www.classicheartbeat.com/cata...%20adapter.htm WES www.ClassicHeartbeat.com
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On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys |
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01-08-2003, 07:00 PM
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#11 |
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Led Sled! Discs R 4 ME!
Join Date: Jan 2001
Location: Toms River, NJ, USA (Transplanted Hoosier)
Posts: 7,327
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Thats pretty trick WES.
whats the internal volume at the pipe intersection as compaired to the volume of each pipe (2 1/2" pipe for example). Denny |
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01-08-2003, 07:11 PM
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#12 |
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Project Junkie! Fishing Poor!!
Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,770
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As I remember the whole that is cut in each side is about 2" X 3" then both sides are welded together. WES www.ClassicHeartbeat.com
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On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys |
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01-10-2003, 12:35 PM
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#13 |
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Led Sled! Discs R 4 ME!
Join Date: Jan 2001
Location: Toms River, NJ, USA (Transplanted Hoosier)
Posts: 7,327
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Neat idea..I like it!
Denny |
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