300 exhaust
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Senior User
Joined: Sep 2000
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300 exhaust
right now i have one converter and then straight pipe dummy duals and it isnt loud enough for me. One of my friends has his coverter hollowed out and glasspack i think is what he said it is that is made to make 2 into one and turned it around backwards to make dummy duals and it sounds like a dump truck or something like that anyways it sounds awesome. so if i took a regular glasspack put it before my y pipe and turned it around backwards would it do about the same thing. has anyone ever heard of turning them around backwards. thanks for any help.
Senior User
Joined: Sep 2001
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300 exhaust
You'll never know until you try it....
Or you could say screw it and run true duals! Dual headers make a good performance upgrade...along with a pretty cool sound...
I'm gonna run dual headers straight to some 3" eight foot stacks off a Mack semi....can't wait to hear it!!
Or you could say screw it and run true duals! Dual headers make a good performance upgrade...along with a pretty cool sound...
I'm gonna run dual headers straight to some 3" eight foot stacks off a Mack semi....can't wait to hear it!!
New User
Joined: Aug 2001
Posts: 18
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300 exhaust
I had a good mechanic look my f-150 over before i bought it. when he was underneath he said something like "well, your exaust is pretty bad and your pretty much using the converter as a muffler". well, i had no idea that the converter WAS the muffler!! Someone had ynked the muffler out so all i have is the end pipe (which is kinda rusted out) and the converter, and the space where a muffler WOULD be, so i'm coming straight out the converter. Don't know if this is a bad thing or not, but it's not loud at all and i'm surprised at this.
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300 exhaust
A glasspack works like this:
(insert ASCII image here that hasn't worked after 10 min of playing)
AKA, the exhaust comes in and punched out fingers pull the exhaust (and pulses) into the surrounding glass packing. If you turn it backwards, the fingers don't grab but create a little backpressure (less than in the correct direction) and it doesn't work as well (aka, it gets louder).
-=Whittey=-
(insert ASCII image here that hasn't worked after 10 min of playing)
AKA, the exhaust comes in and punched out fingers pull the exhaust (and pulses) into the surrounding glass packing. If you turn it backwards, the fingers don't grab but create a little backpressure (less than in the correct direction) and it doesn't work as well (aka, it gets louder).
-=Whittey=-
Post Fiend
Joined: Jan 2000
Posts: 5,860
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From: Metro Detroit (Redford)
300 exhaust
...so i'm coming straight out the converter. Don't know if this is a bad thing or not, but it's not loud at all and i'm surprised at this.
INLINE SIX POWER!
https://www.ford-trucks.com/dcforum/User_files/TallPaul/3bd090f91fd9e18d.jpg
300 Cubic Inches of Low RPM Truck Torque!
Senior User
Joined: Aug 1999
Posts: 166
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300 exhaust
Tall Paul, what kind of Tach is that in the picture? Looks like something that I could use.
1977 F-100
300 I-6 / C-4 (soon to be AOD)
Offy C intake w/Edelbrock 500CFM
Hooker Ceramic coated headers w/duals, turbos, tips, and 02's
MSD6A w/Blaster Coil
Headlight relay system (Delanty style)
Overhead Mount FM-CD etc.
R-134 A/C system (I'm cool)
1977 F-100
300 I-6 / C-4 (soon to be AOD)
Offy C intake w/Edelbrock 500CFM
Hooker Ceramic coated headers w/duals, turbos, tips, and 02's
MSD6A w/Blaster Coil
Headlight relay system (Delanty style)
Overhead Mount FM-CD etc.
R-134 A/C system (I'm cool)
Post Fiend
Joined: Jan 2000
Posts: 5,860
Likes: 4
From: Metro Detroit (Redford)
300 exhaust
Tall Paul, what kind of Tach is that in the picture? Looks like something that I could use.
https://www.ford-trucks.com/dcforum/User_files/TallPaul/3be7d7f0282d31a7.jpg
Got it from J.C. Whitney. Listed as "Illuminated 4000-RPM Electronic Tachometer." Has 3&3/8" face. $64.99 My only complaint is the lighting is not the greatest. I changed from the 1 candlepower to a 2 candlepower bulb and the light is brighter at the top, but I have no trouble seeing it at night even with the 1 candlepower bulb. I would buy it again. Also, there are a whole lot of other models by Datcon (and SW) with various RPM ranges and face sizes to choose from at Fuel Systems in Wisconsin (262 781 4353). Also check out how I mounted it. This just sits in there by friction with the hole that happened to come out just the right size. Had to cut a little plastic behind to gain clearance. Used coping saw blade wrapped with tape on one end, cutting as I pulled.
https://www.ford-trucks.com/dcforum/User_files/TallPaul/3be68a4421766c4a.jpg
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Senior User
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From: Granite Bay USA
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