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Re: Starter thermal wrap?
[Re: BDW]
#3120862
02/12/23 10:05 AM
02/12/23 10:05 AM
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Joined: Jan 2003
Posts: 2,915
A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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Updating this to maybe help someone else.
My trans took a crap, so I was dealing with that.
Now that the trans issue appears fixed, I was able to verify the hot start issue is fixed.
I replaced the CCA (copper clad aluminium) wires with 00awg copper and that fixed the issue.
I now measure a 2V improvement in voltage drop when cranking the motor (9.5V vs 7.5V).
Not sure why it was only an issue when hot, but the pure copper wire works.
I guess there's a reason the CCA wire is 1/2 the price........ Glad you've got it fixed.  Just for info, if your starter motor has permanent magnets fitted (many do), they lose magnetism when hot and won't make as much torque with the same current flowing. Can't be helped it's just physics.
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: Starter thermal wrap?
[Re: Tig]
#3120868
02/12/23 10:47 AM
02/12/23 10:47 AM
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Joined: Jul 2018
Posts: 168
Sticky South
Rodenteliminator
member
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member
Joined: Jul 2018
Posts: 168
Sticky South
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Go to Davis Technologies and their wiring diagram and wiring principles and check that out, it will give some good information. Doug
Sorry honey I spent the rent
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Re: Starter thermal wrap?
[Re: Rodenteliminator]
#3120947
02/12/23 03:51 PM
02/12/23 03:51 PM
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Joined: Dec 2006
Posts: 2,106
Byron, NY
W.I.N. Racing
top fuel
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top fuel
Joined: Dec 2006
Posts: 2,106
Byron, NY
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Never been a fan the Wrap technology for headers/components. As good a wraps are at keeping heat out they are just as proficient as keeping it in as well as moisture. I prefer a shield that will deflect, mitigate direct exposure to radiant heat source. 
'01 P1500, Blown/Inj BAE,/Veney ,Bruno/CS2,Dana 60
'01 Dodge 3500 S Cummins Auto, Fresh air kit, 4" Exhaust,
'05 Dodge Magnum R/T - Too Much to list
'60 Willys CJ5
'01 International LPX - Project,DT466, Allison
'64 Plymouth Valiant, Inj 528 Hemi, 2spd
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