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flat head 6 weight vs dodge red ram #1594580 03/17/14 09:43 PM 03/17/14 09:43 PM
Joined: Dec 2004 Posts: 1,757 levittown pa fstfish66 OP top fuel
fstfish66 OP top fuel Joined: Dec 2004 Posts: 1,757 levittown pa	any one know for sure the weight of a mopar flat head 6 1940 era,,,??? im having front coil springs made and car is apart so cant take it to weigh it,, I would like to compare the flat head 6 to a red ram 241 fro weight and go from there,,,thanks in advance,, 1966 barracuda prostreeter super charged 340(SOLD) 1940 dodge coupe 241 hemi street rod 2014 ram express hemi 4x4 dailey driver 2015 cherokee 2013 R/T classic

Re: flat head 6 weight vs dodge red ram [Re: fstfish66] #1594581 03/18/14 12:32 PM 03/18/14 12:32 PM
Joined: Jan 2003 Posts: 10,558 Freeport IL USA poorboy I Live Here
poorboy I Live Here Joined: Jan 2003 Posts: 10,558 Freeport IL USA	I can't give you numbers, but we pulled a flathead 6 with a 3 speed trans out of a 47 Plymouth coupe and installed a 360 with a 727. If I (around 240 lbs then) stood on the front frame (which was directly above the springs) the car returned to the height it was before we swapped the motors (this was less sheetmetal). My guess is that would put the flathead 6 with its attached 3 speed around 650-700 lbs or about 100-150 lbs heavier then a 360/727. They were not light weight motors. Gene

Re: flat head 6 weight vs dodge red ram [Re: poorboy] #1594582 03/18/14 05:22 PM 03/18/14 05:22 PM
Joined: Dec 2004 Posts: 1,757 levittown pa fstfish66 OP top fuel
fstfish66 OP top fuel Joined: Dec 2004 Posts: 1,757 levittown pa	GENE, thanks for your input,,, reason im asking is im putting new coils in my 40 coupe, and didnt want to put a standard spring in if the rem ram was that much heavier,,, i guess ill stay with standard 1966 barracuda prostreeter super charged 340(SOLD) 1940 dodge coupe 241 hemi street rod 2014 ram express hemi 4x4 dailey driver 2015 cherokee 2013 R/T classic

Re: flat head 6 weight vs dodge red ram [Re: fstfish66] #1594583 03/18/14 11:40 PM 03/18/14 11:40 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	Red Ram 241 - 270 580 lb. Source: http://www.crankshaftcoalition.com/wiki/Early_Hemi_engine_specifications On to the six cylinders: Slant 6, 475 lb. I believe as the Slant was intended to be made out of aluminum, which would save about 100 lb, that the 218 would weigh something more than 375 lb. My thinking, the designers of the "new Slant Six" would have wanted to make the new six lighter and more powerful than the old flathead. Also, a similar size Studebaker flathead six weighs in at 404 lb. I would guess the complete 218 would weigh right at 425 lb. Hows that for guesswork? R. Last edited by dogdays; 03/19/14 12:05 AM.

Re: flat head 6 weight vs dodge red ram [Re: dogdays] #1594584 03/25/14 06:56 PM 03/25/14 06:56 PM
Joined: Dec 2004 Posts: 1,757 levittown pa fstfish66 OP top fuel
fstfish66 OP top fuel Joined: Dec 2004 Posts: 1,757 levittown pa	Quote: Red Ram 241 - 270 580 lb. Source: http://www.crankshaftcoalition.com/wiki/Early_Hemi_engine_specifications On to the six cylinders: Slant 6, 475 lb. I believe as the Slant was intended to be made out of aluminum, which would save about 100 lb, that the 218 would weigh something more than 375 lb. My thinking, the designers of the "new Slant Six" would have wanted to make the new six lighter and more powerful than the old flathead. Also, a similar size Studebaker flathead six weighs in at 404 lb. I would guess the complete 218 would weigh right at 425 lb. Hows that for guesswork? R. ur guess may be better then mine thats why im asking,,LOL ive seen guesses from 450 to 700 lbs,,,, trying to figure out if i need to go to a stiffer coil spring rate or not,,,thanks 1966 barracuda prostreeter super charged 340(SOLD) 1940 dodge coupe 241 hemi street rod 2014 ram express hemi 4x4 dailey driver 2015 cherokee 2013 R/T classic

Re: flat head 6 weight vs dodge red ram [Re: fstfish66] #1594585 03/25/14 09:19 PM 03/25/14 09:19 PM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	The smaller Six wasn't really that big of an engine. Now the 251 which was found in Chryslers would be about 100lb more, it was beefy. Keep in mind that the Red Ram will have a center of gravity farther back in the chassis than the six, so there may not be all that much extra weight on the front end. That's if you put the engine towards the back of the engine compartment. R.

Re: flat head 6 weight vs dodge red ram [Re: dogdays] #1594586 03/25/14 10:43 PM 03/25/14 10:43 PM
Joined: Jan 2003 Posts: 10,558 Freeport IL USA poorboy I Live Here
poorboy I Live Here Joined: Jan 2003 Posts: 10,558 Freeport IL USA	I'm betting that flathead 6 is heavier then you guys think. Gene

Re: flat head 6 weight vs dodge red ram [Re: dogdays] #1594587 03/26/14 02:14 AM 03/26/14 02:14 AM
Joined: Dec 2004 Posts: 1,757 levittown pa fstfish66 OP top fuel
fstfish66 OP top fuel Joined: Dec 2004 Posts: 1,757 levittown pa	Quote: The smaller Six wasn't really that big of an engine. Now the 251 which was found in Chryslers would be about 100lb more, it was beefy. Keep in mind that the Red Ram will have a center of gravity farther back in the chassis than the six, so there may not be all that much extra weight on the front end. That's if you put the engine towards the back of the engine compartment. R. thanks for the reply 1966 barracuda prostreeter super charged 340(SOLD) 1940 dodge coupe 241 hemi street rod 2014 ram express hemi 4x4 dailey driver 2015 cherokee 2013 R/T classic

Re: flat head 6 weight vs dodge red ram [Re: poorboy] #1594588 03/26/14 02:16 AM 03/26/14 02:16 AM
Joined: Dec 2004 Posts: 1,757 levittown pa fstfish66 OP top fuel
fstfish66 OP top fuel Joined: Dec 2004 Posts: 1,757 levittown pa	Quote: I'm betting that flathead 6 is heavier then you guys think. Gene GENE thats what i keep reading,,il assume its as heavy or maybe alittle more then my 241 red ram,,guess i will stay with a stock type front replacement coil spring 1966 barracuda prostreeter super charged 340(SOLD) 1940 dodge coupe 241 hemi street rod 2014 ram express hemi 4x4 dailey driver 2015 cherokee 2013 R/T classic

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