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post #31 of 232 (permalink) Old 07-21-2011, 05:31 PM
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1965 Coupe
351w, 2.5" Off-Road H-pipe, Flowmaster 40's out the valence
Never mind the smoke, still have to seat the rings.

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post #32 of 232 (permalink) Old 07-23-2011, 07:18 PM
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66 coupe. Warm 357w with Hedman swap headers, 2-1/2" pipe out the back with Flowmaster 40 series. Way too loud for my liking but the DynoMax Super Turbos in the size I needed were backordered at the time. They will be changed out when I get the time.

Embedding didn't work so here's link. I hope.
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post #33 of 232 (permalink) Old 08-07-2011, 09:57 PM
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1967 mustang ,Idle

flat top pistons .477 lift 255 @ .50

Last edited by kevs1967stang; 08-07-2011 at 10:14 PM. Reason: Video did not load
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post #34 of 232 (permalink) Old 08-24-2011, 01:51 AM
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Here's Plain Jane Idling - nothing special. 2 1/2" X pipe, DynoMax Super Turbos.

She makes a little more noise on the dyno.

Here's a quick 2-3 gear test run. Let out early - it's not safe to do that kind of stuff .

The DynoMax turbos are loud enough to sound good, still talk or hear the radio, and I can hear that other funny noise when I hit the gas (the one I really want to hear). Has a little resonance (gets louder) at 2200-2300 RPM, but not really objectionable (just have to drive a little faster!).

Plain Jane 65 Coupe w/ supercharged 4.6L DOHC, 10.5:1 compression, 10 psi boost, burns E85, 480 RWHP. (SOLD 10/2012)
Feature Car in December 2010 StreetScene (the magazine of the National Street Rod Assoc)

Last edited by ozarks06; 08-29-2011 at 09:49 AM.
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post #35 of 232 (permalink) Old 08-28-2011, 09:14 PM
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Very nice Ozark. That a 289 in there? You just sold me on those Dynomax's. What a sweet sound.
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post #36 of 232 (permalink) Old 08-29-2011, 07:03 AM
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Have Dynomax Super Turbos on my 68 cvt. They do have drone, sounds quiet at 55-65.
Seldom drive car with top up, but the one time I got caught in a drizzle, drove home with top up, windows up and it droned out ANY sound at 45 mph or so.
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post #37 of 232 (permalink) Old 09-04-2011, 04:53 AM
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I got some better vids of my car. Warm 357W, long tubes, 2.5" X-pipe, straight out the back and dumps behind rear valence.

Here is an in car vid.

1967 Mustang, mild 351W, 750 Demon, MSD, Pertronix, long tubes, Dan williams built top loader with Hurst shifter, #550 coils, 5 leaf mid-eye springs, 3:55's, CSRP disc brakes.

Last edited by sycostang67; 09-04-2011 at 04:56 AM.
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post #38 of 232 (permalink) Old 09-09-2011, 08:26 AM
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Here is Custom 3" Spintech Pro Streets, X-pipe, full tailpipes, 351c with Hooker Super Comps. Embedding didn't work for me... Here is a Link

1969 Mustang Spintech 3" Prostreet - YouTube

69 S-code Coupe -- TCP billet Rack, KRC power steering, TCP front coil over kit with braces, 4 piston front disc, Astro 2.95 T-5 with spec billet aluminum flywheel and stage 3 clutch, 3.89 posi, 18" Raceline GT wheels, Custom 3" Spintech exhaust, and much more

92 GT Procharged 358W -- Way too fast and cost way too much!

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post #39 of 232 (permalink) Old 09-09-2011, 05:40 PM
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3 chamber flowmasters

Sound from inside and outside on several places on the car during an autocross run.

400hp Performer RPM 351 - 2 1/2" mandrel bent custom exhaust.

The big difference in eliminating the drone is to seriously rubber mount the mufflers and tail pipes not just rubber washers to the frame and run the tail pipes past the rear valance by 2 inches to get the sound out from under the car. That way you get great rumble but when you roll up the windows a stereo or conversation is possible...

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post #40 of 232 (permalink) Old 10-08-2011, 02:19 PM
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Stock to Dynomax 2.5 Turbo Thrush comparison

Here's the before and after of my Mustang. The sound quality could be better but you'll definitely here the deeper bass tone to the second. First video is the stock cast iron manifolds with the V8 single exit exhaust. Second video is Flowtech headers and Dynomax Turbo Thrush 2.5" dual exhaust. The keen ear will notice the slight exhaust leak under the hood on both videos. I eventually changed the Flowtech headers to Hooker Headers which match the AFR exhaust ports better. I should probably do a 3rd video but the sound really isn't different between the two headers... just got rid of the exhaust leak.


Last edited by Le Singe Psycho; 10-10-2011 at 08:46 PM.
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post #41 of 232 (permalink) Old 10-19-2011, 05:32 PM
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repost with the goods

1968 302
1987 Heads
Comp Mutha Thumpr
Edelbrock Performer
Holley 650 Double Pumper
Headman Headers
Hearthrob True Dual 2-1/2" Exhaust

Last edited by austin552; 10-19-2011 at 05:39 PM.
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post #42 of 232 (permalink) Old 10-21-2011, 05:12 PM
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post #43 of 232 (permalink) Old 10-21-2011, 07:32 PM
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Please change the door hinges back to stock.... Please?

1968 Gulfstream Aqua Fastback 289::T5::8.8
1994 SVT Cobra- race car
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post #44 of 232 (permalink) Old 10-22-2011, 02:33 AM
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@ mustang6tee8

I know some people don't like them and some other ones love them too I had to admit they don look good on a car that is 100% original and classic. But my car it's all custom ,take a look a the car from the in side to the out side it's all custom ( trunk , lights , grill , bumper , hood , paint , power antena , power windows , shaved handles , pop out door , door panels with speakers , custom center console with gps ,touch screen, toggle switch for pop out doors and trunk and by pass stereo , alarm star up engine , 2 kill switch , fuel pump , up graded wheels and american racing rims , disk brakes , airbrush , carbon fiber dash , and I can continue with all the modification I did on my car and the cool thing i did all the costum my self at the end i respect all the sugestions , I admire any classic car just as much I admire my car I think I just like the cool gadgets on a older car
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post #45 of 232 (permalink) Old 10-25-2011, 09:38 PM
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this isn't quite realistic, but these are Borla XR-1 Sportsman's.

they are just hanging off the collectors.

i'll need to get the exhaust run out the back of the valance soon, so i'll post another when that time comes. it should get much quieter.

4.1" stroke windsor
1 3/4" long tubes
hydraulic roller

and this was the first time to drive it around outside...

Assembly :: driveway.mp4 video by buckeyedemon - Photobucket

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