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#1 |
Registered User
Join Date: Feb 2009
Location: arroyo grande, ca
Posts: 206
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thorley headers on a 67-72 sbc
Is anyone running these on angle plug heads? I am running a set of canfield's and when I bought the headers they said "fit most angle plug heads." That being said, I know I am not the only sap that chose angle plug heads of some sort and thorley headers...I hope. Anyway, the #5 plug is problematic; close to the header tube and I was thinking of the "shorty plugs" and not sure just exactly how much shorter they really are. Accel says (and I an awaiting them to answer my question as to how much shorter their plug that compares to the autolite 3924 canfield recommends really is) their shorty plugs are 3/16" to 3/8" shorter than the plugs that the shortys replace. So if anyone is in the same boat as I, what did you do? I am entertaining the idea of putting my ram horns back on if I cannot keep from frying a plug wire every few weeks or so.
Thanks to all James
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James |
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#2 |
Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: thorley headers on a 67-72 sbc
You'll love those headers - No angle plugs here though.
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#3 |
Registered User
Join Date: Feb 2009
Location: arroyo grande, ca
Posts: 206
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Re: thorley headers on a 67-72 sbc
How long have you had yours Jim PA? Are they coated? How well is the coating holding up?
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James |
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#4 | |
Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: thorley headers on a 67-72 sbc
Quote:
They are discoloring (turning blueish/black) but not rusting anywhere. Looks kinda cool I think. ![]() |
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#5 |
Registered User
Join Date: Jun 2008
Location: South Florida
Posts: 11,375
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Re: thorley headers on a 67-72 sbc
I have a small block with doug thorley headers and I had the same issue I bought the accel shortie plugs and problem solved...look at the pict below...
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Get your facts first, and then you can distort them as much as you please!!!!!. Sylvester's build thread >>>http://67-72chevytrucks.com/vboard/s...ht=big+rebuild |
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#6 |
Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: thorley headers on a 67-72 sbc
Yeah, but it looks like those are straight plug heads. What problems did you have? I used regular plugs on mine but I also have non-angle plug heads.
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#7 |
Registered User
Join Date: Jun 2008
Location: South Florida
Posts: 11,375
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Re: thorley headers on a 67-72 sbc
on the second picture the second plug with a reg size plg the wire was against the header and also plug #3 on the same side..I did forget to mention that I have straight angle edelbrock aluminum heads....Those two plugs were the only ones that I had the issues with.
check out this thread from when I had the problem... http://www.67-72chevytrucks.com/vboa...d.php?t=306443
__________________
Get your facts first, and then you can distort them as much as you please!!!!!. Sylvester's build thread >>>http://67-72chevytrucks.com/vboard/s...ht=big+rebuild |
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#8 |
Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: thorley headers on a 67-72 sbc
I see -- must be the big MSD boots, b/c I have the edelbrock straight heads too, and didn't have clearance problems.
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#9 |
Registered User
Join Date: Jun 2008
Location: South Florida
Posts: 11,375
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Re: thorley headers on a 67-72 sbc
what wires did you use?
__________________
Get your facts first, and then you can distort them as much as you please!!!!!. Sylvester's build thread >>>http://67-72chevytrucks.com/vboard/s...ht=big+rebuild |
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#10 |
Registered User
Join Date: May 2005
Location: PA
Posts: 2,696
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Re: thorley headers on a 67-72 sbc
Taylor Spiro-pro's
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