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Jul 21st, 2025 | | | | Joined: Jan 2015 Posts: 37 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2015 Posts: 37 | I am building a 49 3100 with a 350 and I am about ready for exhaust manifolds I know that the rams horn manifolds are what I need but I have two questions first are the after market cast iron manifolds good quality and second, does anybody make a cast iron manifold that is better looking than the stockers and possibly ceramic coated ? ? ?
THANKS
BILL | | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | No experience with the repops, but the old original 300 HP 327 ram's horn manifolds with the 2 1/2" pipes were some of the best I ever ran on my dyno. Other than a tuned header with equal-length pipes for all cylinders, they gave the best torque output over a wide range of RPM. Even regular unequal-length tube headers couldn't match their performance.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Aug 2013 Posts: 568 Shop Shark | | Shop Shark Joined: Aug 2013 Posts: 568 | I think Sanderson makes a coated ram horn.
I can explain it to you, I can't understand it for you.
| | | | | Joined: Apr 2005 Posts: 2,066 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,066 | I used some aftermarket rams horns that came from Dorman Products on a job a couple of years ago. They were relatively inexpensive and seemed to be of good quality. I see lots of the standard 2" manifolds at swap meets but the 2 1/2" originals are becomming scarce and pricy as well.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
| | | | | Joined: Oct 2004 Posts: 128 Shop Shark | | Shop Shark Joined: Oct 2004 Posts: 128 | speedwaymotors.com has quite a selection of rams horn manifolds with any coating you want. They also sell a tru-ram manifold, much cleaner than stock.
John | | | | | Joined: Mar 2003 Posts: 1,132 Shop Shark | | Shop Shark Joined: Mar 2003 Posts: 1,132 | Had em on the 283 in the sub. took up very little space and worked good with stock sounding mufflers I think they were 2".
Weeds
| | | | | Joined: Mar 2003 Posts: 1,132 Shop Shark | | Shop Shark Joined: Mar 2003 Posts: 1,132 | Had em on the 283 in the sub. took up very little space and worked good with stock sounding mufflers I think they were 2".
Weeds
| | | | | Joined: Apr 2010 Posts: 362 Shop Shark | | Shop Shark Joined: Apr 2010 Posts: 362 | I used the Sanderson block huggers on my 58 gmc. Working great and no clearance problems. I know my blue chip truck has a little more room than your 49 but that saying I remember long years ago a 50 gmc I had with rams horns was real close. Wish I'd had the sanderson back then.Larry
58 gmc 100 with 350 sbc
| | | | | Joined: Jul 2014 Posts: 12 New Guy | | New Guy Joined: Jul 2014 Posts: 12 | I ended up using exhaust manifold for 67-72 truck...plenty of clearance for steering shaft with 2 u joints CarParts wholesale Lasalle Illinois. | | |
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