C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jun 9, 2013 | 07:52 PM
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just installed hearders+sidepipes on my 69 bb vette, no room for# 3 spark plug, to get in runner #acr 43xl piugs,do I go to a smaller plug or what?someone HELP!!!!!!

Last edited by rays699; Jun 9, 2013 at 07:56 PM.
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Old Jun 9, 2013 | 08:31 PM
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put a small piece of vacuum hose(straight and an inch or so long) thread it in till your sure it's going in properly then put your socket on and tighten with an open ended wrench.
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Old Jun 9, 2013 | 08:34 PM
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angle plug heads?
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Old Jun 9, 2013 | 08:42 PM
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You may have to "massage" the pipe a little near the plug.
Yea, I know, definately Bubba, but your options are limited.
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Old Jun 10, 2013 | 07:10 AM
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Default hearders

Originally Posted by rays699
just installed hearders+sidepipes on my 69 bb vette, no room for# 3 spark plug, to get in runner #acr 43xl piugs,do I go to a smaller plug or what?someone HELP!!!!!!
and one more thing the borgeson power streeing box is in the way!!!
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Old Jun 10, 2013 | 07:19 AM
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Get you a set of Accel 8198 Header spark plugs. I bought mine at Advance Auto here in WV.
And yes we do have electricity in WV
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Old Jun 10, 2013 | 08:10 AM
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Is it true the WV state flower is the Satellite Dish?
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Old Jun 10, 2013 | 11:00 AM
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Yeah, and here in New Jersey, the state bird is the mosquito.
You got a problem with that?
Or does I has to call Tony Soprano?
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Old Jun 10, 2013 | 11:07 AM
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LOL I thought that was our state bird, or is it the Deer Tick.
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Old Jun 10, 2013 | 02:17 PM
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Originally Posted by Yeller81USNRet
And yes we do have electricity in WV
And alot of great roads for driving your 'Vette!
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Old Jun 10, 2013 | 02:26 PM
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Great roads for the Vette but ya don't want to get the rear end hung out to far on these 2 lane roads when ya don't know if a Coal truck loaded is coming the other way.
LORDY
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Old Jun 10, 2013 | 02:47 PM
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just installed hearders+sidepipes on my 69 bb vette, no room for# 3 spark plug, to get in runner #acr 43xl piugs,do I go to a smaller plug or what?someone HELP!!!!!!
Regular AC delco and the like will not fit. However I found that NGK's are short enough with headers for my side pipes. On the iron heads I used UR45's. The accel's mentioned will fit too.

Last edited by REELAV8R; Jun 10, 2013 at 02:50 PM.
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Old Jun 10, 2013 | 06:12 PM
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Originally Posted by gcusmano74
Yeah, and here in New Jersey, the state bird is the mosquito.
You got a problem with that?
Or does I has to call Tony Soprano?
I lived in NJ for about a year, and I'm pretty sure that the state flower is the orange traffic cone.

Scott
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Old Jun 11, 2013 | 01:00 AM
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You think you got misquitos. We got "heards" of mosquitos up here in the ak, that would make me the "mosquito hearder".

Last edited by bluedawg; Jun 11, 2013 at 01:12 AM.
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Old Jun 11, 2013 | 07:13 AM
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I've been near there during mosquito season. Maybe there should be a mosquito tag with the deer tag. No limit.
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Old Jun 11, 2013 | 07:20 AM
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Originally Posted by REELAV8R
Regular AC delco and the like will not fit. However I found that NGK's are short enough with headers for my side pipes. On the iron heads I used UR45's. The accel's mentioned will fit too.
NGK BKR6E plugs on Hookers with 2-1/8" primaries work fine.
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Old Jun 22, 2013 | 09:40 AM
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Default plugs

Originally Posted by rays699
and one more thing the borgeson power streeing box is in the way!!!
I am installing a msd complete kit, it said to gap the plugs to start at 50 to 60 gap. what plugs can I use at 5/8 for a small plug with the heards , power streeing box in the way?
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Old Jun 22, 2013 | 10:24 AM
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Originally Posted by rays699
I am installing a msd complete kit, it said to gap the plugs to start at 50 to 60 gap. what plugs can I use at 5/8 for a small plug with the heards , power streeing box in the way?


This picture is of an NGK BKR6E short plug on the number 3 cylinder of a 468 with Hooker 2-1/8" primaries. See my post above. The number 6 is the plug heat range. A 5 is hotter, 7 is colder.
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Old Jun 22, 2013 | 10:28 AM
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This is a photo on the same engine with a regular deep 5/8" socket and a 1" extension. Plenty of room.

I normally use a spark plug socket, but the metal clip from the plug wire broke off on this plug and the rubber insert in the spark plug socket wouldn't fit over the clip.
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Old Jun 22, 2013 | 10:44 AM
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it said to gap the plugs to start at 50 to 60 gap.
Ive never seen that. Running an HEI?

Run .035-040 no issues
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