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Clearance between header tube and starter housing

Speedrdr

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May be a non-issue but gonna ask the question anyway. One of the header tubes is touching the starter housing. Is there a risk of the heat from the exhaust causing a problem for the starter? Really don’t want to take the header on that side but will if it’s necessary and dent the tube and reinstall.
Any advice appreciated.

Randy
 

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phred

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I don’t think that will hurt anything. The starter by get heat soaked by the proximity of the headers. Touching the flange is odd. If it we me I would “dimple” that tube just for piece of mind and eliminate any chance of rubbing or rattling.
 

gnpenning

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On my great phone that appears to be the bell housing not the starter housing. Semantics to some, until you buy the wrong part.

While it can transfer heat to the starter it has quite a bit of heat sink area. With that said the exhaust should not have direct contact with anything transmission/tcase, frame, fuel item, brake , suspension etc.

Try a pry bar to get a little clearance, being warm might help.

Edit: Just realized this is a duplicated thread. You can have Jon combine them.
 
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Broncobowsher

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That is header contacting bellhousing. I don't see anything close to the starter itself.
Generally that is not the greatest. You get heat conduction. Air gap is good. Don't need much. While more is better, anything is better than direct contact.
I would recommend trying to bend the headers slightly, even a few minor dents in the tube. Try and get ¼" of air gap at least.
 

EPB72

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don;t think it will hurt either but may create a vibration /rattle.... could try a pry bar to manipulate the tubes a bit between bell housing and headers 1/4 inch would be nicer to see..
 

Madgyver

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if it bothers you You'll need to dent it. It will continue to bother you if it does until you do something about it.
 
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Speedrdr

Speedrdr

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Well, looks like I’ll be working on a header tube. Only consolation I have is that there’s nothing in the way to get to the header…and I do mean nothing. Inner fender and wheel tub removed for replacement so it’s just a matter of doing it.
Thanks to everyone for the advice.

Randy
 
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Speedrdr

Speedrdr

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Edit: Just realized this is a duplicated thread. You can have Jon combine them.
Yeah, I’m not exactly sure how that happened. Lol I was calling it the starter housing for the simple fact that that’s where the starter bolts up. Should have said the bellhousing at the point where the starter bolts up.
Mea Culpa

Randy
 
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Speedrdr

Speedrdr

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Randy, I'll gladly loan you one of my big crowbars :)
While I do appreciate your offer, Lars, I’m pretty sure that would be an expensive item to drive/fly out to pick up and then return it. Lol 😂. Think I’ll just loosen the header bolts and use my ‘little’ crowbar to make the adjustment.

Randy
 

DirtDonk

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I agree with the others that yours isn’t as bad as some I’ve seen. But it’s definitely an issue to be dealt with, and many cases.
Not a non-issue at all.
Header heat and starters have not mixed well for decades. The worst offenders were always Chevy engines with headers, which always seem to put the header tubes right next to the starter motor itself. Very bad combo!
Seems to work fine for awhile, but eventually the starter takes a beating and you get some hard, slow cranking with a heavy load on the starter cable.
It’s likely one of the main reasons for many upgrading to much larger cables.
 
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gnpenning

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Yeah, I’m not exactly sure how that happened. Lol I was calling it the starter housing for the simple fact that that’s where the starter bolts up. Should have said the bellhousing at the point where the starter bolts up.
Mea Culpa

Randy
No worries. I thought that is what you meant but wanted to be sure .


To Paul's point I've made more than a few heat shields for starters and as much wiring as reasonable possible. My firebird just doesn't have room for even a heat shield. Not into header wrap. Starters are cheaper than headers.
 
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Speedrdr

Speedrdr

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I’m probably gonna go with some header wrap to help with engine bay temps, plus I’m hoping to get a little bit of scavenger effect from keeping the exhaust gas hot at the collector and flowing out better…at least that’s how it works on motorcycles.

Randy
 
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