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Re: A body BB to Hemi MM [Re: 68 HEMI GTS] #3213155
02/13/24 12:11 AM
02/13/24 12:11 AM
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Mt Morris Michigan
mopar dave Offline OP
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I may just do that. What all did you have to do to fit the Hemi?

Re: A body BB to Hemi MM [Re: mopar dave] #3213158
02/13/24 01:12 AM
02/13/24 01:12 AM
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Temperance, MI
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68 HEMI GTS Offline
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Originally Posted by mopar dave
I may just do that. What all did you have to do to fit the Hemi?


Lots….


68 Dart GTS "HEMI" 10.30 @ 131 pump gas street car 3780#
69 Roadrunner 511 six pack 10.92 drive to track street car
Re: A body BB to Hemi MM [Re: 68 HEMI GTS] #3213173
02/13/24 08:39 AM
02/13/24 08:39 AM
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Originally Posted by 68 HEMI GTS
Originally Posted by mopar dave
I may just do that. What all did you have to do to fit the Hemi?


Lots….


HAHA, that always sounded like a cool thing to have to me but what a packaging nightmare


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Re: A body BB to Hemi MM [Re: cdwmotorsports] #3213180
02/13/24 10:04 AM
02/13/24 10:04 AM
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Mt Morris Michigan
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The only mod that concerns me would be the pass side inner fender mod. Not sure how much i need to remove. A gentleman over on B bodies sent me excellent pics of his mods and he did a professional job with it, but he removed way more than needed and got into the shock support. Hes using a crossram, so i can see why he did that. Im using a Stage V intake, so wont need to remove as much as him, but not sure how much to remove as a minimum.

Re: A body BB to Hemi MM [Re: mopar dave] #3213182
02/13/24 10:09 AM
02/13/24 10:09 AM
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Marion, South Carolina [><]
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One thing that will help is using bolts to hold the valve cover on instead of studs. Studs do make everything else easier though.
You will have a little more movement w/o studs to help clear the fender.


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
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Re: A body BB to Hemi MM [Re: an8sec70cuda] #3213185
02/13/24 10:30 AM
02/13/24 10:30 AM
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Yes, i have planned on using bolts on the covers to get the extra movement. I won't get started on this til next year and will most likely be a 1 to 2yr project. Gonna completely rebuild the front suspension using a tubular K, complete all the mods needed and strip and paint the engine bay body color, all but the firewall. I'm told I should space the K from the frame as well, but not sure how much spacer is needed for that. Some used 1/4" some 1/2", not sure what is really needed there.

Re: A body BB to Hemi MM [Re: an8sec70cuda] #3213192
02/13/24 10:47 AM
02/13/24 10:47 AM
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Originally Posted by an8sec70cuda
One thing that will help is using bolts to hold the valve cover on instead of studs. Studs do make everything else easier though.
You will have a little more movement w/o studs to help clear the fender.


Yes, I should have mentioned that also. My entire engine is mostly studded including the driver side rocker cover. Except for the passenger rocker cover for this very reason. I have 12 point s.s. ARP bolts in that cover.


1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
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Re: A body BB to Hemi MM [Re: mopar dave] #3213207
02/13/24 12:16 PM
02/13/24 12:16 PM
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Stuttgart, Arkansas
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Originally Posted by mopar dave
Gonna completely rebuild the front suspension using a tubular K, complete all the mods needed and strip and paint the engine bay body color, all but the firewall. I'm told I should space the K from the frame as well, but not sure how much spacer is needed for that. Some used 1/4" some 1/2", not sure what is really needed there.

If you are using a tubular K-member I don't think you need to space it down at all. When they developed the Hemi A-bodies they said they did that to get room for the air horns.


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Re: A body BB to Hemi MM [Re: rickseeman] #3213216
02/13/24 01:09 PM
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Ok, i was under the understanding that the spacing was for handling issues.

Re: A body BB to Hemi MM [Re: mopar dave] #3213244
02/13/24 03:45 PM
02/13/24 03:45 PM
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No, the spacers were for carb clearance, which always seemed a bit odd to me.
And my moving the K down, that likely put the right valve cover into the rt shock tower panel.
Sorry if my earlier post was confusing in that regard.

Re: A body BB to Hemi MM [Re: topside] #3213250
02/13/24 04:04 PM
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Originally Posted by topside
No, the spacers were for carb clearance, which always seemed a bit odd to me.
And my moving the K down, that likely put the right valve cover into the rt shock tower panel.
Sorry if my earlier post was confusing in that regard.


Yes, unless someone has limited hood clearance, you open a whole can of worms by using the k frame spacers.
It made the early cars without the modified steering linkage all wonky running down the track.

Re: A body BB to Hemi MM [Re: A727Tflite] #3213256
02/13/24 04:25 PM
02/13/24 04:25 PM
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Wheatfield, NY
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iI would have Al Debevec make you an A-body K-frame. Then use the stock mounts and you KNOW the engine will be positioned right, its a tight fit.

https://www.forabodiesonly.com/mopar/threads/al-debevec-k-member-mods.427818/

Re: A body BB to Hemi MM [Re: A727Tflite] #3213317
02/13/24 08:52 PM
02/13/24 08:52 PM
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Temperance, MI
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Originally Posted by A727Tflite
Originally Posted by topside
No, the spacers were for carb clearance, which always seemed a bit odd to me.
And my moving the K down, that likely put the right valve cover into the rt shock tower panel.
Sorry if my earlier post was confusing in that regard.


Yes, unless someone has limited hood clearance, you open a whole can of worms by using the k frame spacers.
It made the early cars without the modified steering linkage all wonky running down the track.




Spacers provide header clearance to the steering linkage. Engine sits in the stock big block location. My car is a factory big block, that’s how I positioned the motor plate, hemi sits exactly where the factory 383 did. Without spacers the headers crash into the steering linkage.
That’s true with the tti and hooker’s

IMG_0315.jpeg
Last edited by 68 HEMI GTS; 02/13/24 09:17 PM.

68 Dart GTS "HEMI" 10.30 @ 131 pump gas street car 3780#
69 Roadrunner 511 six pack 10.92 drive to track street car
Re: A body BB to Hemi MM [Re: 68 HEMI GTS] #3214200
02/17/24 06:25 PM
02/17/24 06:25 PM
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Mt Morris Michigan
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Does that pan help with the clearance issues? I had planned on using a low profile Milodon. My plans have changed a bit after making a few calls to QA1,TTI and Schumacher. Option is now to use a QA1 K or my factory K, QA1 lower arms(currently have the Cap Auto uppers) and HDK torsion bar conversion with coil over shocks. Will have to keep my steering box. TTI 2 1/8 headers should fit this easy. Should keep the cost down and still get it done. Thanks guys

Re: A body BB to Hemi MM [Re: topside] #3214205
02/17/24 06:45 PM
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Thanks for the heads up on the manual. I bought one. They list the original hooker headers used and a nice pic of the fender mod needed.

IMG_1947.jpegIMG_1946.jpeg
Re: A body BB to Hemi MM [Re: mopar dave] #3214206
02/17/24 06:46 PM
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I'd never space the K member. That was a rules thing if i remember correctly. Draws a super wide engine into the narrowest part of a really small engine bay realcrazy Fender mods are real light if you don't do that

20220718_165647.jpg
Re: A body BB to Hemi MM [Re: 68 HEMI GTS] #3214224
02/17/24 07:53 PM
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Originally Posted by 68 HEMI GTS
Originally Posted by A727Tflite
Originally Posted by topside
No, the spacers were for carb clearance, which always seemed a bit odd to me.
And my moving the K down, that likely put the right valve cover into the rt shock tower panel.
Sorry if my earlier post was confusing in that regard.


Yes, unless someone has limited hood clearance, you open a whole can of worms by using the k frame spacers.
It made the early cars without the modified steering linkage all wonky running down the track.




Spacers provide header clearance to the steering linkage. Engine sits in the stock big block location. My car is a factory big block, that’s how I positioned the motor plate, hemi sits exactly where the factory 383 did. Without spacers the headers crash into the steering linkage.
That’s true with the tti and hooker’s


The engine and k frame and steering move as a unit. Spacers do nothing for header clearance.

Steering column is affected as it is fixed to the firewall but that can flex at the mounting flange.

Re: A body BB to Hemi MM [Re: A727Tflite] #3214253
02/17/24 10:46 PM
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Someone told me the K spacers were for better handling and i might want to look it that. I know the spacers help nothing for header clearance. Eliminating the torsion bar is how you make room for headers, which im trying to do. I think those Hemi Denny torsion bar eliminators are the answer. Why has no one else ever came up with that simple design? All the other K member companies want to sell you a complete K member kit which eliminates the torsion bar for a large investment. Worst case scenario, TTI A body Hemi headers are designed for the factory K and steering and that is the way i will go if need be.

Re: A body BB to Hemi MM [Re: mopar dave] #3214254
02/17/24 11:06 PM
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Originally Posted by mopar dave
Someone told me the K spacers were for better handling and i might want to look it that. I know the spacers help nothing for header clearance. Eliminating the torsion bar is how you make room for headers, which im trying to do. I think those Hemi Denny torsion bar eliminators are the answer. Why has no one else ever came up with that simple design? All the other K member companies want to sell you a complete K member kit which eliminates the torsion bar for a large investment. Worst case scenario, TTI A body Hemi headers are designed for the factory K and steering and that is the way i will go if need be.


The spacers were used to increase hood clearance. It actually made handling worse.

That’s why Chrysler had to send out new tweaked steering components to the owners of the first cars shipped. The remainder of the cars had the parts already installed.

Re: A body BB to Hemi MM [Re: A727Tflite] #3214283
02/18/24 07:48 AM
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Ok, i will be sure to not add any spacers if i change out the K. A friend of mine offered me his QA1 K. He has already removed all the mounts that come on that K. He is going with something different. So, as long as the HDK torsion bar eliminator kit will work with the QA1 LCA, I'm all good and should be able to complete the front end redo with coil over shocks for under $2500. Sure beats 5-6000 for a front end kit.

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