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Best dimple method #3047920
06/04/22 07:06 PM
06/04/22 07:06 PM
Joined: May 2005
Posts: 4,679
Florida
BDW Offline OP
master
BDW  Offline OP
master

Joined: May 2005
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Florida
Test fit my engine and have interference between the TTI headers and steering pump.
Seems like I need to put a rounded ding in the header.
What's a good method to not remove the coating on the header?

[Linked Image]

[Linked Image]

Thx

Re: Best dimple method [Re: BDW] #3047922
06/04/22 07:48 PM
06/04/22 07:48 PM
Joined: Jan 2003
Posts: 11,886
Benton, IL.
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DaveRS23 Offline
Special needs idiot
DaveRS23  Offline
Special needs idiot
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Joined: Jan 2003
Posts: 11,886
Benton, IL.
I use a deep well socket with an extension as a handle. Pick the best size socket for the size of dent needed and slap with a hammer accordingly. Smooth and round with no sharp corners when whacked just right.


Master, again and still
Re: Best dimple method [Re: BDW] #3047936
06/04/22 09:03 PM
06/04/22 09:03 PM
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Posts: 15,193
Omaha Ne
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TJP Offline
I Live Here
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I Live Here
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Joined: Jan 2003
Posts: 15,193
Omaha Ne
Shorten the head of the bolt or maybe use a button head SCPS (allen). Any chance the motor is leaning that direction?
We have dinged several when needed and fogged over the area with VHT flat aluminum. Barely noticeable beer

Re: Best dimple method [Re: TJP] #3047940
06/04/22 10:03 PM
06/04/22 10:03 PM
Joined: May 2005
Posts: 4,679
Florida
BDW Offline OP
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BDW  Offline OP
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Florida
Good question on the leaning, quite possible.
I didn't install the bolts in the brackets, engine was just sitting down on mounts, supported by lift.

Which brings up my next question. How much will engine shift around with the rubber biscuit motor mounts?
Seems like there should at least 1/4" or more?
I also only have 1/4 for alternator, but that's an easier fix.

[Linked Image]


Last edited by BDW; 06/04/22 10:06 PM.
Re: Best dimple method [Re: BDW] #3047946
06/04/22 10:24 PM
06/04/22 10:24 PM
Joined: May 2003
Posts: 6,545
Downtown Roebuck Ont
Twostick Offline
Still wishing...
Twostick  Offline
Still wishing...

Joined: May 2003
Posts: 6,545
Downtown Roebuck Ont
My buddy used a 1/2 ,inch extension for the profile and then carefully heated the tube red hot and made his clearance. When it cooled off it looked like it was coated that way. No discoloration, nothing. Still shiny.

Kevin

Re: Best dimple method [Re: BDW] #3048014
06/05/22 12:34 PM
06/05/22 12:34 PM
Joined: Jan 2003
Posts: 15,193
Omaha Ne
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TJP Offline
I Live Here
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Joined: Jan 2003
Posts: 15,193
Omaha Ne
Originally Posted by BDW
Good question on the leaning, quite possible.
I didn't install the bolts in the brackets, engine was just sitting down on mounts, supported by lift.

Which brings up my next question. How much will engine shift around with the rubber biscuit motor mounts?
Seems like there should at least 1/4" or more?
I also only have 1/4 for alternator, but that's an easier fix.

[Linked Image]



That is a hard to answer question as it depends on the mounts and rubber used as well as gearing, traction and a few other variables. The good news is the motor torques to the right under hard accel going forward, and of course the opposite in reverse so unless you plan on doing burnouts in reverse that's in your favor.
I have known a few that have drilled through the mounts and used flat head hard ware to limit the movement while retaining the isolation of the rubber. Don't know if Urethane mounts are available but the are usually stiffer and interlocked beer

Re: Best dimple method [Re: BDW] #3048104
06/05/22 05:51 PM
06/05/22 05:51 PM
Joined: Jan 2003
Posts: 25,618
Rio Linda, CA
John_Kunkel Offline
Too Many Posts
John_Kunkel  Offline
Too Many Posts

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Posts: 25,618
Rio Linda, CA
Can you shim under the mounts to raise the engine?


The INTERNET, the MISinformation superhighway
Re: Best dimple method [Re: John_Kunkel] #3048117
06/05/22 07:11 PM
06/05/22 07:11 PM
Joined: May 2005
Posts: 4,679
Florida
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Florida
Originally Posted by John_Kunkel
Can you shim under the mounts to raise the engine?


Hadn't thought of that? Where would the shim go, between mount that bolts to block and block?
Maybe add 1/4" of washers in each spot?

Re: Best dimple method [Re: BDW] #3048148
06/05/22 09:53 PM
06/05/22 09:53 PM
Joined: Mar 2007
Posts: 3,275
West Coast, USA
jbc426 Offline
master
jbc426  Offline
master

Joined: Mar 2007
Posts: 3,275
West Coast, USA
I've used a piece of belt leather and a ball peen hammer. I've also used an oxy/acetylene torch and a hammer. Then touched up the areas with VHT Hi-temp paint.

I overheated a set of TTI's and repainted the entire exhaust matt black using VHT Hi-temp paint. It's still looking good 6 years later.


1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)






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