Bolt on performance
Logistics Pro
Joined: Sep 2011
Posts: 4,491
Likes: 26
From: Algona,WA
Others can chime in about the carb and manifold, I'm not too familiar with the inline 6 department for that kind of stuff. Most order from either Jegs, Summit Racing or eBay. Or scan the local Craigslist for used parts.
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New User
Joined: Nov 2015
Posts: 7
Likes: 0
Where can a guy find a exhaust system
Cargo Master
Joined: Dec 2009
Posts: 3,452
Likes: 2
From: Santa Fe Tx
The best "bang for your buck" is an EFI exhaust manifold, they are about 20 bucks at your local junk yard.
Intakes ect are pricey for a 300! My plan is to buy a 2 to 1 adapter that will allow me to bolt on a 2bbl to the 1bbl intake. The catch is only a holley 2bbl will bolt up.
Intakes ect are pricey for a 300! My plan is to buy a 2 to 1 adapter that will allow me to bolt on a 2bbl to the 1bbl intake. The catch is only a holley 2bbl will bolt up.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Efi exhaust manifolds and the Walker Ypipe will flow better than stock but you will lose the heated floor to your intake.
This isn't a great situation if you live in a cold climate.
You are going to want a heated carb spacer or an intake that accomodates hot water.
Clifford and Offenhauser are the two that I know of.
This isn't a great situation if you live in a cold climate.
You are going to want a heated carb spacer or an intake that accomodates hot water.
Clifford and Offenhauser are the two that I know of.
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New User
Joined: Nov 2015
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The best "bang for your buck" is an EFI exhaust manifold, they are about 20 bucks at your local junk yard.
Intakes ect are pricey for a 300! My plan is to buy a 2 to 1 adapter that will allow me to bolt on a 2bbl to the 1bbl intake. The catch is only a holley 2bbl will bolt up.
Intakes ect are pricey for a 300! My plan is to buy a 2 to 1 adapter that will allow me to bolt on a 2bbl to the 1bbl intake. The catch is only a holley 2bbl will bolt up.
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New User
Joined: Nov 2015
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Efi exhaust manifolds and the Walker Ypipe will flow better than stock but you will lose the heated floor to your intake.
This isn't a great situation if you live in a cold climate.
You are going to want a heated carb spacer or an intake that accomodates hot water.
Clifford and Offenhauser are the two that I know of.
This isn't a great situation if you live in a cold climate.
You are going to want a heated carb spacer or an intake that accomodates hot water.
Clifford and Offenhauser are the two that I know of.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
As was mentioned, the split exhaust manifolds found on later fuel injected engines flow much better than the single manifold found on carbureted models.
But I-6 engines have both the intake and exhaust hanging off the side where the intake is not warmed by the engine or coolant flowing through it.
This is a utility engine.
You CAN add performance, but will lose utility.
I'm not sure what you are hoping for, but you might be better off with a 351 truck instead of a 'tractor'.
But I-6 engines have both the intake and exhaust hanging off the side where the intake is not warmed by the engine or coolant flowing through it.
This is a utility engine.
You CAN add performance, but will lose utility.
I'm not sure what you are hoping for, but you might be better off with a 351 truck instead of a 'tractor'.
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Joined: Nov 2007
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From: Denver Metro Area, CO
Senior User
Joined: Feb 2015
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Oh yea, forgot about that. DS2 with timing recurve and carb swap, along with exhaust and manifold would really wake that sixer up.