Hemi schumacher mount fitment problems
#1581459
02/20/14 12:04 AM
02/20/14 12:04 AM
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Joined: Jun 2007
Posts: 1,184
clarks summit pa
73cuda340
OP
super stock
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OP
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clarks summit pa
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Has anybody had fitment problems with the Schumacher hemi conversion mounts? I put them in my cuda when I installed the hemi and the motor hits the inner fender and the blower motor on the passenger side and the header hits the steering box on the drivers side. I used the TTI headers which were the recommended headers for these mounts too.
1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip,
(JA5) Silver Frost Metallic
1973 Challenger Rallye 340
1985 W150 Power Ram prospector
1986 Camaro IROC-Z 305 tpi
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Re: Hemi schumacher mount fitment problems
[Re: 73cuda340]
#1581460
02/20/14 01:26 AM
02/20/14 01:26 AM
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Joined: Apr 2005
Posts: 4,924
new berlin wisconsin
Mr T2U
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new berlin wisconsin
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what valve covers and what size headers?
anything but the stamped steel V covers or the original cast mopar covers will hit on the inner fender. if you have the tall covers they will never clear without cutting and welding.
you might be able to shim the K member down for some clearance.
i had to shim the top of the steering box, and the idler arm, back at the top to clear the steering box with 2 1/4" TTI headers
Last edited by Mr T2U; 02/20/14 01:27 AM.
perception is 90% of reality
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Re: Hemi schumacher mount fitment problems
[Re: Mr T2U]
#1581461
02/20/14 02:35 AM
02/20/14 02:35 AM
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Joined: Jun 2007
Posts: 1,184
clarks summit pa
73cuda340
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It has the aluminum valve covers from Ray Barton and Im running the 2 1/4" TTI headers.
1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip,
(JA5) Silver Frost Metallic
1973 Challenger Rallye 340
1985 W150 Power Ram prospector
1986 Camaro IROC-Z 305 tpi
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Re: Hemi schumacher mount fitment problems
[Re: 73cuda340]
#1581462
02/20/14 02:49 AM
02/20/14 02:49 AM
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Joined: Jan 2003
Posts: 1,030
JAX FLA
Curt
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JAX FLA
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I had the blower motor problem before i installed the transmission. I had the magnesium stage v covers. Did clear the passengers fender well after i shimmed up the mounts. Did end up cutting a wedge out before i was ok with the amount of clearance though. I did not have any problem with the TTI headers though..... 73 challenger body, A/C car
Curt
Oh yeah...THAT'S gonna leave a mark!
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Re: Hemi schumacher mount fitment problems
[Re: 73cuda340]
#1581465
02/22/14 10:14 PM
02/22/14 10:14 PM
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Joined: Jan 2003
Posts: 1,030
JAX FLA
Curt
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super stock
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JAX FLA
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I think i shimmed it like 3/8 on passenger side and 1/8 on drivers side. AAR brand T/A hood no issues with Ratroaster or Stage V intake. Shortened my blower motor because i thought i had a problem, then i installed the trans and my clearance problems dissapeared
Curt
Oh yeah...THAT'S gonna leave a mark!
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Re: Hemi schumacher mount fitment problems
[Re: Curt]
#1581466
03/01/14 03:27 AM
03/01/14 03:27 AM
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Joined: Jun 2007
Posts: 1,184
clarks summit pa
73cuda340
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clarks summit pa
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I tried shimming the mounts and once I got the motor over enough to clear the inner fender and the blower motor, the header tube hits the torsion bar. The drivers side is still hitting the steering box as well.
1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip,
(JA5) Silver Frost Metallic
1973 Challenger Rallye 340
1985 W150 Power Ram prospector
1986 Camaro IROC-Z 305 tpi
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Re: Hemi schumacher mount fitment problems
[Re: 73cuda340]
#1581467
03/01/14 08:46 AM
03/01/14 08:46 AM
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Joined: Dec 2007
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Mass
DAYCLONA
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Quote:
I tried shimming the mounts and once I got the motor over enough to clear the inner fender and the blower motor, the header tube hits the torsion bar. The drivers side is still hitting the steering box as well.
Had the same interference with TTI/Schumacher/HEMI once you shim the Pass side for tower clearance the torsion and or steering box is an issue, I did 3 cars with this set uo, after the first you learn to grind and dress down the PS box before install, there's plenty of casting beef on the PS box don't be afraid to cut into it, as far as torsion bar interference, as much as I hated to do it to the TTI's...round oak dowel and a hammer to put a clearance dimple into the tube, if you use the oak dowel to create the dimple on the TTI's less chance of cracking the coating, the oil dipstick tube can become another nightmare
Mike
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Re: Hemi schumacher mount fitment problems
[Re: 71birdJ68]
#1581469
03/02/14 11:49 PM
03/02/14 11:49 PM
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Joined: Jun 2007
Posts: 1,184
clarks summit pa
73cuda340
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clarks summit pa
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On your guys cars with the engine running, how much movement is there? How about when revving the motor? The mounts seem pretty solid, so Im just wondering how much clearance Im going to need to gain to keep the motor from hitting anything.
1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip,
(JA5) Silver Frost Metallic
1973 Challenger Rallye 340
1985 W150 Power Ram prospector
1986 Camaro IROC-Z 305 tpi
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Re: Hemi schumacher mount fitment problems
[Re: 73cuda340]
#1581470
03/03/14 12:34 AM
03/03/14 12:34 AM
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Joined: Dec 2007
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Mass
DAYCLONA
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I Live Here
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Quote:
On your guys cars with the engine running, how much movement is there? How about when revving the motor? The mounts seem pretty solid, so Im just wondering how much clearance Im going to need to gain to keep the motor from hitting anything.
The Schumacher mounts are pretty solid, I put them on several cars using the large dual diaphram Bendix HEMI brake boosters and fresh air aircleaner to factory air grabber set ups with no movement issues... 
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Re: Hemi schumacher mount fitment problems
[Re: 73cuda340]
#1581472
03/03/14 08:32 AM
03/03/14 08:32 AM
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Joined: Dec 2007
Posts: 18,160
Mass
DAYCLONA
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I Live Here
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Quote:
Quote:
Quote:
On your guys cars with the engine running, how much movement is there? How about when revving the motor? The mounts seem pretty solid, so Im just wondering how much clearance Im going to need to gain to keep the motor from hitting anything.
The Schumacher mounts are pretty solid, I put them on several cars using the large dual diaphram Bendix HEMI brake boosters and fresh air aircleaner to factory air grabber set ups with no movement issues...
Do you think a 1/4" would be enough? That's what I just got it to on the passenger side fender. Still working on the steering box though.
1/4" clearance is about what I got also on the passenger shock tower....just hope you never have to pull a head in the car, esp if your HEMI has full head studs.....major PITA
But never experienced any contact
Mike
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Re: Hemi schumacher mount fitment problems
[Re: DAYCLONA]
#1581473
03/06/14 07:44 PM
03/06/14 07:44 PM
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Joined: Jun 2007
Posts: 1,184
clarks summit pa
73cuda340
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clarks summit pa
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How much did you have to end up grinding off of the steering box?
1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip,
(JA5) Silver Frost Metallic
1973 Challenger Rallye 340
1985 W150 Power Ram prospector
1986 Camaro IROC-Z 305 tpi
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Re: Hemi schumacher mount fitment problems
[Re: 73cuda340]
#1581474
03/06/14 07:52 PM
03/06/14 07:52 PM
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Joined: Dec 2007
Posts: 18,160
Mass
DAYCLONA
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Quote:
How much did you have to end up grinding off of the steering box?
ALOT!.......but there's plenty of meat on the casting, the wall thickness where I ground down was about 1/2"-5/8" thick, I probably took off a good 1/4" just dress it out after a preliminary fit
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Re: Hemi schumacher mount fitment problems
[Re: 71birdJ68]
#1581475
03/07/14 12:20 PM
03/07/14 12:20 PM
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Joined: Aug 2003
Posts: 8,828
Houston, Tx
hemi68charger
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master
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Houston, Tx
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Quote:
Man, after reading all this stuff, I glad I paid the extra for a Megaparts conversion K frame.
I am glad I went to the Brady's for my complete hemi-kmember... Whew..
TroyHouston Mopar Connection Club'69 Charger Daytona 440 - auto - 4.10 Dana (now with 426 hemi) '69 Charger 500 440 - 4speed - 3.54 Dana '70 Road Runner 383 - 4speed - a/c (now with 440)
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Re: Hemi schumacher mount fitment problems
[Re: hemi68charger]
#1581476
03/07/14 12:34 PM
03/07/14 12:34 PM
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Joined: Dec 2007
Posts: 18,160
Mass
DAYCLONA
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I Live Here
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Quote:
Quote:
Man, after reading all this stuff, I glad I paid the extra for a Megaparts conversion K frame.
I am glad I went to the Brady's for my complete hemi-kmember... Whew..
Factory HEMI K frame, repro K, swap mounts, engine plate, etc, etc, you can still have fitment issues with a HEMI, esp when adding big tube headers, cast HEMI valve covers, etc, etc,....so don't count your chickens until they're hatched
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