Ramhorns on a 4X4 which ones? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

687980chevy · 02-25-2004, 04:58 AM

My 68 K-10 has a 350,sm465-4spd,Rockwell T-221 tcase. I want to put a new exhaust on manifolds back.I might go duals,maybe a single-anyway my manifolds go straight down I think I read that is the stock for a 4x4.I need to know because my truck was originally a 292 6cyl. Thanks

**JIMs70GMC** · 02-25-2004, 06:55 AM

yep. straight down both sides.

Dean · 02-25-2004, 08:41 AM

I agree. Straight down. Very easy to find them. Much easier than the 2WD manifolds at least around here.

dubie · 02-25-2004, 11:58 AM

I have a set of both the staright down dumps as well as the 2wd angle back ones. I am gonna sell the straight down dump ones. They have been sandblasted and coated in 1200 degree flat black paint

Here is a pic of them

**JIMs70GMC** · 02-25-2004, 03:58 PM

How much for them dubie? I want to loose the headers on the 71.

dubie · 02-25-2004, 04:41 PM

The studs need to be removed and replaced and the porting surface on one of the manifolds is a bit weathered, but still very usable. I see LMC now sells them, but for $150 per side. I can take some up close pics of them if you like, but it wouldn't be until the weekend. Or if your headers are in usable shape, maybe we can work a trade. Something like we pay each each others shipping cost or ??? Let me know bud

687980chevy · 02-26-2004, 03:51 AM

I have a set straight down dumps,just didn't know if thats what I needed(for off the shelf ex.pipes to work)Did they have a heat riser on either side?
Thanks guys

**JIMs70GMC** · 02-26-2004, 06:39 AM

Mine does not have the heat riser. The heat riser only came on the angled back type usually on the right side, you'd know it because I believe it will not accomadate a donut gasket.

Dean · 02-26-2004, 08:38 AM

There is a heat riser on the straight down dump manifolds that I use. You can however use the straight down manifolds on either side if you don't want the heat riser.

I can take pics of my latest K20 project if needed since I don't have exhaust on it yet.

687980chevy · 02-27-2004, 04:59 AM

Thanks guys
Mine have a taper for donut gaskets on both manifolds.

02-25-2004, 04:58 AM	#1
687980chevy Registered User Join Date: Feb 2004 Location: Hilly Southern Indiana! Posts: 201	Ramhorns on a 4X4 which ones? My 68 K-10 has a 350,sm465-4spd,Rockwell T-221 tcase. I want to put a new exhaust on manifolds back.I might go duals,maybe a single-anyway my manifolds go straight down I think I read that is the stock for a 4x4.I need to know because my truck was originally a 292 6cyl. Thanks __________________ 68 K-10,79 K-10,80 C-30 57 chevy convertible 79 Z28

02-25-2004, 06:55 AM	#2
JIMs70GMC user # 2756 Join Date: Jun 2001 Location: Chesapeake, Virginia Posts: 4,612	yep. straight down both sides. __________________ 1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm

02-25-2004, 11:58 AM	#4
dubie Registered User Join Date: May 2000 Location: Flin Flon, Manitoba, Canada Posts: 8,853	I have a set of both the staright down dumps as well as the 2wd angle back ones. I am gonna sell the straight down dump ones. They have been sandblasted and coated in 1200 degree flat black paint Here is a pic of them Attached Images __________________ My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795

02-25-2004, 03:58 PM	#5
JIMs70GMC user # 2756 Join Date: Jun 2001 Location: Chesapeake, Virginia Posts: 4,612	How much for them dubie? I want to loose the headers on the 71. __________________ 1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm

02-25-2004, 04:41 PM	#6
dubie Registered User Join Date: May 2000 Location: Flin Flon, Manitoba, Canada Posts: 8,853	The studs need to be removed and replaced and the porting surface on one of the manifolds is a bit weathered, but still very usable. I see LMC now sells them, but for $150 per side. I can take some up close pics of them if you like, but it wouldn't be until the weekend. Or if your headers are in usable shape, maybe we can work a trade. Something like we pay each each others shipping cost or ??? Let me know bud __________________ My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795 Last edited by dubie; 02-25-2004 at 04:43 PM.

02-25-2004, 08:41 AM	#3
Dean Senior Member Join Date: Jan 2000 Location: Cincinnati, Ohio Posts: 1,492	I agree. Straight down. Very easy to find them. Much easier than the 2WD manifolds at least around here.

02-26-2004, 03:51 AM	#7
687980chevy Registered User Join Date: Feb 2004 Location: Hilly Southern Indiana! Posts: 201	I have a set straight down dumps,just didn't know if thats what I needed(for off the shelf ex.pipes to work)Did they have a heat riser on either side? Thanks guys __________________ 68 K-10,79 K-10,80 C-30 57 chevy convertible 79 Z28

02-26-2004, 06:39 AM	#8
JIMs70GMC user # 2756 Join Date: Jun 2001 Location: Chesapeake, Virginia Posts: 4,612	Mine does not have the heat riser. The heat riser only came on the angled back type usually on the right side, you'd know it because I believe it will not accomadate a donut gasket. __________________ 1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm

02-26-2004, 08:38 AM	#9
Dean Senior Member Join Date: Jan 2000 Location: Cincinnati, Ohio Posts: 1,492	There is a heat riser on the straight down dump manifolds that I use. You can however use the straight down manifolds on either side if you don't want the heat riser. I can take pics of my latest K20 project if needed since I don't have exhaust on it yet.

02-27-2004, 04:59 AM	#10
687980chevy Registered User Join Date: Feb 2004 Location: Hilly Southern Indiana! Posts: 201	Thanks guys Mine have a taper for donut gaskets on both manifolds. __________________ 68 K-10,79 K-10,80 C-30 57 chevy convertible 79 Z28



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