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Engine Weight? |
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ramblinfsj 
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Joined: Jul/07/2007 Location: Lubbock, Texas Status: Offline Points: 1611 |
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 Topic: Engine Weight?Posted: Jul/23/2015 at 12:59pm |
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With both engines being in stock form, what is the weight difference between a 232 straight 6 and a 304 V8?
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1982 Jeep J-20
1965 Rambler American 220 1978 Jeep Cherokee w/401 1983 Jeep J-10 1979 Concord DL 2dr |
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Boris Badanov
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Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4209 |
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Posted: Jul/23/2015 at 7:33pm |
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550 lbs for a 304 or 290 give or take a row...
I seem to remember the early short deck pre 1970 232 was a skosh under 450. I am taking a stab from memory and could be wrong. I could be wrong about the date for the deck height change... Aluminum heads can bring a 304 down by 70~ lbs if weight is a problem. Better to start with a 360 anyhow. Edit, there is an excellent aluminum head for the AMC L6 from Eddelbrock that should knock off at least 50 lbs and add a few HP. A local engine builder of stroker 4.6's says the head was good for an honest 20HP and 20 Torque. He dynos nearly every engine he builds. Edited by Boris Badanov - Jul/23/2015 at 7:36pm |
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Gremlin Dreams
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tyrodtom
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Posted: Jul/23/2015 at 10:07pm |
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I thought the 81and up AMC 6 was around that weight or even a little more. That's with the aluminum intake, fewer counterweights on the crank, smaller headbolts, and a little less excess cast iron around the bottom mains.
I've heard around 520 for the earlier AMC 6s. 560 for the 290. But of course that's my memory too. |
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66 American SW, 66 American 2dr, 82 J10, 70 Hornet, Pound, Va.
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farna
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Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19676 |
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Posted: Jul/24/2015 at 6:07am |
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500 or so for the six, 550 or so for the V-8 is about right. The early six is only about 50 pounds shy of the V-8. The 81+ six is a bit lighter, by about 50 pounds, so around 100 pounds under the V-8.
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Frank Swygert
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toolmanxiii
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Joined: Oct/16/2010 Location: Moncton Canada Status: Offline Points: 1384 |
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Posted: Jul/24/2015 at 6:51am |
there was only about 70 lbs difference between a 258 and a 304. 50 for a 232 prior to 81. then the 258's lost 50 lbs Approx. so there is only about 20 lb's difference.  550 - 50 = 500 ... where did the other 100 come from ? |
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71 360 Hornet sst 83 2wd 360/727 Eagle wagon (crashed)
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ramblinfsj
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Joined: Jul/07/2007 Location: Lubbock, Texas Status: Offline Points: 1611 |
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Posted: Jul/24/2015 at 9:14am |
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Thanks guys. It is time to V8 my Rambler. I was asking because of possibility of having to change the front springs. If there is only a 50 pound or so difference, I'm not going to worry about it. The 232 is from a '77 Postal Jeep and the 304 is from a '79 AMX, FYI.
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1982 Jeep J-20
1965 Rambler American 220 1978 Jeep Cherokee w/401 1983 Jeep J-10 1979 Concord DL 2dr |
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amc401t10
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Posted: Jul/24/2015 at 9:36am |
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That extra 50-100 lbs won't hurt a thing.
It may lower the front slightly,might look better. Alum intake, and headers would help reduce it even more. I put a 455 Pontiac where a 232 was in my 70 rebel and it only dropped about 2 in, looks better than it did, still don't bottom out. |
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1-owner 74 gremlin x 401, t10,3.73 12 bolt,750carb,reed 250@50 cam, roller rockers,msd,offy int.
72 amc matador 401 727 84 j10 ,360, 727 1970 4-door rebel sleeper(455 pontiac,turbo 400) 79 spirit,4.2 |
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ramblinfsj
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Joined: Jul/07/2007 Location: Lubbock, Texas Status: Offline Points: 1611 |
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Posted: Jul/24/2015 at 9:48am |
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That's what I was thinking. The car originally came with a 196 but I swapped it out for the 232. The bigger 6 didn't change the height at all. It even sits higher than I like. The 304 should diffinitely make the car look better in the front.
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1982 Jeep J-20
1965 Rambler American 220 1978 Jeep Cherokee w/401 1983 Jeep J-10 1979 Concord DL 2dr |
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toolmanxiii
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Joined: Oct/16/2010 Location: Moncton Canada Status: Offline Points: 1384 |
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Posted: Jul/24/2015 at 10:59am |
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I dropped a 360 in a 79 258 Spirit about 2 months ago . front dropped about 1/2 an inch. We ended up cutting the springs to get it down an extra inch to where he wanted it . It still has lots of ground clearance .
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71 360 Hornet sst 83 2wd 360/727 Eagle wagon (crashed)
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Boris Badanov
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Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4209 |
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Posted: Jul/24/2015 at 11:28am |
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Aluminum intake and Eddy heads on a 360 and it will be lighter.
I have a 304 iron 2BBL manifold here and it weighs 70 lbs with carb. Heads and manifold will save 100+ lbs. |
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Gremlin Dreams
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farna wrote: