quick smog pump delete question

mob · Jul 5, 2006

Hey guys just wondering, can I plug the holes in the back of the head with the engine and heads still completely in the car? Can I reach them? Theres only two right? And Is the size of the threaded plugs I need 5/8? Thanks.

795.0pacecar · Jul 5, 2006

You can reach them with everything in the car. They are 5/8. I just broke the porcelain part off of a couple old spark plugs and put the spark plugs in the thermactor holes.

mob · Jul 5, 2006

alright thanks man, ill do this next week on my day off along with the a/c, just wanted to make sure i can do it with the heads on the car. Thanks.

795.0pacecar · Jul 5, 2006

Are you doing this to the GT-40p heads because the thermactor tube is incompatable with them?

mob · Jul 5, 2006

795.0pacecar said:
Are you doing this to the GT-40p heads because the thermactor tube is incompatable with them?

No, these are for the stock heads, gt40p heads arent going in for a while, im broke, but i have the a/c delete brackets laying around I figure its summer, have a day off, ill wake up early and with my mechanic skills ill be done by the end of the day haha. Ill be fine with no smog pump when I go to put the p heads in right?

795.0pacecar · Jul 5, 2006

If you have cats no. You'll still need the smog pump pumping into the H-pipe. If you dont have cats then your cool to lose all that emmissions stuff.

mob · Jul 5, 2006

Yea I knew I didnt need it if I didnt have cats. I have an o/r hpipe now, but long tubes headers and an o.r x pipe are going in with the heads so ill be fine. But I dont need to plug anything in the gt40p heads your saying?

795.0pacecar · Jul 5, 2006

I think the GT-40Ps may also have thermactor holes. If they do just plug them up the same way you plug up the stock E7s.

mob · Jul 5, 2006

yea alright thanks man

88_GT_5_oh · Jul 5, 2006

damn i wish i woulda known that spark plugs fit the hole. i made a block plate for mine for nothing

smittyb · Jul 6, 2006

I just did mine, and I'm almost 100% sure they were 9/16-20 threads. And aren't spark plug threads 14mm?

zidane45 · Jul 6, 2006

yes you are somewhat correct. but they are 9/16-12. Get grade 8 fastener and cut it down some. Then you can use a 14mm copper washer to seal it up good.

smittyb · Jul 6, 2006

Right, 9/16-12. I used a 1" bolt and slathered it with Loctite thread sealant.

Blk91stang · Jul 6, 2006

smittyb said:
Right, 9/16-12. I used a 1" bolt and slathered it with Loctite thread sealant.

Same here. Put some sealer on it and thread the bolt in the hole. BTW- My spark plugs did NOT thread in the hole. Tried it and it wasn't the right thread.

795.0pacecar · Jul 6, 2006

Wierd. I've done it twice and the spark plugs threaded in just fine. I did this with E7s. I can even take a pic if you guys want.

Joey5.0 · Aug 3, 2006

I screwed in a 9/16-12 1 inch bolt as far as i could.

RYC CUKR · Aug 3, 2006

795.0pacecar said:
I think the GT-40Ps may also have thermactor holes. If they do just plug them up the same way you plug up the stock E7s.

No thermactor holes on the P heads. Just the accessory mounting hole.

quick smog pump delete question

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