Did my first TBI Mod
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From: Uniontown, OH
Car: 87 GTA
Engine: Under Construction
Axle/Gears: 3.70:1
Re: Did my first TBI Mod
some crome never did anyone wrong.. Now ya need some simple green and a tooth brush.. Dont forget to polish the evap for the a/c
Re: Did my first TBI Mod
Why bother polishing it if he has the A/C delete already. Just get rid of it along with the lines.
Good Job, clean up the bay a little bit and it will look pretty decent.
Good Job, clean up the bay a little bit and it will look pretty decent.
Re: Did my first TBI Mod
Yeah I wanna lose the rest of the AC stuff, and my smog pump. I'll probably just do it when I put headers on. Speaking of which looks like it's going to be a PITA to get the stock ones off with all that AIR and smog crap on them.
Joined: Apr 2004
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From: Salt Lake City, Utah
Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
Re: Did my first TBI Mod
once you pull the A/C stuff out it's not THAT bad.
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From: New Philadelphia/ Canton OH
Car: 1991 RS, 84 El Camino conquista RIP
Engine: 5.0 (for now)
Transmission: 4L60
Axle/Gears: 2.xx torsen limited slip & 3.42 ope
Re: Did my first TBI Mod
is that a drop base air cleaner though? yes better than the stock by a long shot but the Mr. gasket "small" drop base air cleaner without the gold spacer felps the most IMO. But a great start!
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Re: Did my first TBI Mod
yeah it's a drop base. I really wanted to use a 3" filter and i thought I might clear it without using the spacer but it's just a hair too short. I may have a machine shop make me a 1/4 inch aluminum ring or something. I'm probably going to carb the motor anyway though so I may just stick with this for now. I need headers and exhaust bad before anything else. Then gears and posi.
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Joined: Jun 2005
Posts: 267
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From: Punta Gorda Florida
Car: 91 RS
Engine: 5.0 tbi
Transmission: 700r4
Re: Did my first TBI Mod
youshould be hitting the coil, unbolt it and put the round hole at the back bolt of the throttle bracket and bolt it there so it open air hangs, it'll also keep the coil cooler, just did it on my new camaro, I'll post pics
Joined: Nov 2005
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From: Naples, FL
Car: 91 RS Camaro, 75 L82 Corvette
Engine: LO3, 383 Stroker
Transmission: 700R4, TH400
Axle/Gears: 4th gen 3.23 posi/LS1 discs, stock
Re: Did my first TBI Mod
You can should have just gotten a flat base, then you wouldn't have to worry about the coil, but more importantly, that restrictive gold ring on top of the TB!!! Oh well, just wanted to point that out for future readers of this thread.
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Joined: Jul 2007
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From: Manchester, CT + Nashua, NH
Car: 90 Firebird Formula
Engine: LO3
Transmission: T5
Axle/Gears: 3.08 one wheel peel
Re: Did my first TBI Mod
Doesent using a flat base require clearencing for the throttle linkage?
Also, the parts stors dont generally carry flat base around here.
Also, the parts stors dont generally carry flat base around here.
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: Did my first TBI Mod
i have a falt base, with all the ultimate TBI mods, no linkage issue
i have a flat bottom edelbrock elite
i have a flat bottom edelbrock elite
Re: Did my first TBI Mod
There was a spectre 2" air cleaner at autozone but it was only 10" wide too, but it was flat. I actually got that one first, and it was too small, I had to use the base for that one too to clear the linkage as stated above.
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What size cleaner do you have on it?
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What size cleaner do you have on it?
Last edited by Mike305RS; Feb 2, 2008 at 10:24 PM. Reason: Automerged Doublepost
Joined: Nov 2005
Posts: 2,346
Likes: 1
From: Naples, FL
Car: 91 RS Camaro, 75 L82 Corvette
Engine: LO3, 383 Stroker
Transmission: 700R4, TH400
Axle/Gears: 4th gen 3.23 posi/LS1 discs, stock
Re: Did my first TBI Mod
Well, why settle for what they have on the shelf. For the most part, they will order whatever you want if you ask them.
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From: Fairhope, AL
Car: 89RS(other cars & pics in vBgarage)
Engine: LO3, 305 TBI Mildly Modified
Transmission: BakerBuilt 700R4 w/B&M Megashifter
Axle/Gears: 3.23 Auburn Pro Series LSD
Re: Did my first TBI Mod
10" round 3 3/4" tall
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Joined: Nov 2006
Posts: 1,724
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From: NY sucks
Car: 84' Corvette, 96' Caprice
Engine: LT1, L99
Transmission: T-56, 4L60e
Axle/Gears: 3.07 POSI, 2.93 Open
Re: Did my first TBI Mod
When i did my motor swap the 350 TBI i used never had smog on it and i deleted the AC while putting it in cause it didn't work anyways.
Good luck with the 305 its a good motor. Senior Member
Joined: Jul 2007
Posts: 1,461
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From: Manchester, CT + Nashua, NH
Car: 90 Firebird Formula
Engine: LO3
Transmission: T5
Axle/Gears: 3.08 one wheel peel
Re: Did my first TBI Mod
Well whenever I get one, I want the cheapest flat base I can find I guess. I will rattle can it flat black to get rid of the chrome look.
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From: Canada, Vancouver Island
Car: 1990 T-Top Camaro RS
Engine: engineless
Transmission: Trannyless
Axle/Gears: 10 bolt/3.08. soon to be axleless
Re: Did my first TBI Mod
thats exatly waht i did to my 305 
slap on a chome aircleaner. i had no idea if it will fit or not. cost me $20 at the local store. and it fits good to i was suprized and im happy
i also got rid of all the smog stuff and what not. and got rid of the windshield washer fluid stuff. cleaned it out abit more.
and i quickly sprayed on some engine cleaner. that helped abit as well. and did alittle bit of polish work on any open metal. about an hour or so of work and it really cleaned it up good
ill take a snap shot of it. i think i have an after and before photo.

slap on a chome aircleaner. i had no idea if it will fit or not. cost me $20 at the local store. and it fits good to i was suprized and im happy
i also got rid of all the smog stuff and what not. and got rid of the windshield washer fluid stuff. cleaned it out abit more.and i quickly sprayed on some engine cleaner. that helped abit as well. and did alittle bit of polish work on any open metal. about an hour or so of work and it really cleaned it up good

ill take a snap shot of it. i think i have an after and before photo.
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Joined: Jul 2007
Posts: 1,461
Likes: 1
From: Manchester, CT + Nashua, NH
Car: 90 Firebird Formula
Engine: LO3
Transmission: T5
Axle/Gears: 3.08 one wheel peel
Re: Did my first TBI Mod
Well I dont see the point of removing all the smog stuff, because it will only be nice untill the emissions guy fails me, and DMV pulls the reg.
And the washer fluid is a nesessity to me. Use it daily.
And the washer fluid is a nesessity to me. Use it daily.
Joined: Nov 2005
Posts: 2,346
Likes: 1
From: Naples, FL
Car: 91 RS Camaro, 75 L82 Corvette
Engine: LO3, 383 Stroker
Transmission: 700R4, TH400
Axle/Gears: 4th gen 3.23 posi/LS1 discs, stock
Re: Did my first TBI Mod
I put in a 4th gen washer tank. Just had to extend the hose and wires. Real easy mod.
I plan on useing a 4th gen coolant overflow as well, just haven't gotten around to it yet.
I plan on useing a 4th gen coolant overflow as well, just haven't gotten around to it yet.
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Sep 11, 2015 11:09 PM







good lookin out I didnt even notice. 
