Smog Pump & Charcoal Canister Questions

dbdragracing · Apr 16, 2008

I have decided to keep my '89 GT, so today I started my T-5 swap. While doing this I decided to remove my smog stuff since Im also installing an offroad h-pipe.

I have removed the pump and lines going to the cats...now I want to remove the lines going to the heads...do I just remove and plug these?

The vacum line associated with the smog pump...do I just plug these?

Do I need the charcoal canister stuff?

Also, what belt size do I need since I removed my smog pump, but still have a/c?

Thanks for any help...I have been searching, but its time for bed! Thanks.

bloopbloob · Apr 17, 2008

plug the vac lines, 5/8" 11 tpi bolt will plug the back of the heads, or a spark plug, or you can cut the blocks off the tubing, flip them, and bolt them back on. i don't like the idea of removing my evap system... some will argue, but if you park in a garage, i'd be a little weary, and if you seal it right up, get a vented gas cap

ShortThrow50 · Apr 17, 2008

i have the belt you need in my garage. ill get you the numbers on it tomorow. there was a diagram that people post up but dont go by it becuase its wrong for some reason. i had to go back several times tilli found the right size

HISSIN50 · Apr 17, 2008

I agree with BB on the EVAP. There's no reason to remove it (or open the system. It's a closed system OEM). If anything, it slightly enriches the mixture at times. Leave it be. If you dont like the cannister, put it inside the fender like SN95's have.

Good luck.

Mustang5L5 · Apr 17, 2008

Sometimes more problems are caused yanking that stuff off than by leaving it on.

dbdragracing · Apr 17, 2008

Thanks for the help guys. It would be great if you could give me the belt type and number. I would love to get this running today. I guess I will leave the charcoal canister and just finish removing the smog stuff. Thanks.

dbdragracing · Apr 17, 2008

Went out to get the head bolts to plug the smog line holes...I found 5/8" 11tpi, but I could ony find 1.5" long....is this too long? Thanks.

bloopbloob · Apr 17, 2008

dbdragracing said:
Went out to get the head bolts to plug the smog line holes...I found 5/8" 11tpi, but I could ony find 1.5" long....is this too long? Thanks.

it'll stick out a little bit, i think thats all i could find also, mine sticks out like 3/4" maybe, but where they are, you never see them so it doesnt bother me. it'll work. i had to thread them in almost like using a tap, back and forth. seems like they don't fit but they will, just a lot of carbon buildup in there.

monte87 · Apr 17, 2008

dbdragracing said:
Thanks for the help guys. It would be great if you could give me the belt type and number. I would love to get this running today. I guess I will leave the charcoal canister and just finish removing the smog stuff. Thanks.

With pullies- 83.5, without pullies 84.5 short belt route... Its hit or miss, You have to try multiple belt sizes. For instance-I have no smog pump, March power and amp pullies and i run a 81.5 inch belt

But your part # off hand would be K060835 or K060845, Im more than sure thats DAYCO p/n... Either dayco or gates...

Later Ant

monte87 · Apr 17, 2008

BTW- i have yanked all the smog and EVAP crap from my stang 4 years ago and vented the line from the tank-No problems, car runs great! iT ALL DEPENDS ON WHAT YOU WANNA DO. I DIDNT WANT TO SPEND $$$ ON REPLACING THE CHARCOAL CANISTER, So i eliminated it...

monte87 · Apr 17, 2008

Oh and plug up the line to the mani with a rubber plug. Will be a vacuum leak. Unless you have a cobra intake upper-Like me, Plug that one up in front.

ShortThrow50 · Apr 17, 2008

sorry it took me so long to get you the belt number. any way, its a Dayco Poly Cog. got it at pepboys and the belt number is 5060850. Just bring that info to a parts store and they can cross reference it. My car had stock pulleys , a/c, power steering, etc. basically everything without the smog pump

dbdragracing · Apr 17, 2008

Thanks for all the help. I should have the car running tomorrow!

shootshescores · Apr 24, 2008

monte87 said:
Oh and plug up the line to the mani with a rubber plug. Will be a vacuum leak. Unless you have a cobra intake upper-Like me, Plug that one up in front.

What type of rubber plugs did you use? Where did you get them?
As much info about the plugs that you can supply would be very appreciated.

Flavadave4 · Apr 24, 2008

Run a string and measure your length around the pullies for the correct belt length.

dbdragracing · Apr 24, 2008

As far as the plugs go...I bought a plug kit from Advance Auto Parts for about $6 that had an assortment of plugs. Later.

Smog Pump & Charcoal Canister Questions

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