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08-26-2006, 09:28 PM
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#1 |
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Registered User
Join Date: Aug 2006
Location: wisconsin
Posts: 1
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Swap in a 1989 FIREBIRD
I am trying to put a motor out of a 1986 3/4 ton chevy 2 wheel drive pickup casting number 4010207 350 4 bolt main i believe also carberated. In a 1989 pontiac firebird throtle body injected it had a 305. Any advise would be helpfull. Thank you.
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08-26-2006, 10:06 PM
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#2 |
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The LuvShack Garage
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,468
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Re: Swap in a 1989 FIREBIRD
 From West TN 
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Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Tow Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T |
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08-27-2006, 08:27 AM
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#3 |
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Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,448
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Re: Swap in a 1989 FIREBIRD
Welcome to the board from South Mississippi! I don't have any experience with the f-body's but lots of guys here have. You going to use the intank fuel pump or the one on the engine?
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"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal.  We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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08-27-2006, 10:27 AM
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#4 |
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Senior Member
 
Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: Swap in a 1989 FIREBIRD
The 89 engine will have a one piece piece rear main seal and center bolt valve covers with the center four intake bolt drilled at a straighter angle, 86 was a transition year IIRC, but is likely the older style. You may need a different flywheel and have to massage the center intake holes on the tbi to fit.
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1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 |
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08-27-2006, 04:35 PM
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#5 |
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Gone Fishing
Join Date: Aug 2005
Location: Fort Worth, Texas 76135
Posts: 12,361
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Re: Swap in a 1989 FIREBIRD
Welcome to the board
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68 Chevy Short Fleetside LSX Swap Under Way 3.73 posi 2.5/4 drop  Frame of resto has been started2022 Hyundai Tucson Limited 2019 Chevy Traverse Redline Edition Wifes Ride Build Thread http://67-72chevytrucks.com/vboard/s...=1#post3483616 |
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08-28-2006, 01:25 AM
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#6 |
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Born To Lose Club
Join Date: Feb 2003
Location: Calgary, Alberta/Oxenden, Ontario, Great White North
Posts: 13,307
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Re: Swap in a 1989 FIREBIRD
Welcome To The Boards!
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Brian Smith  - "Born To Lose"1969 Chevrolet K10 LWB Fleetside - Proud Owner For 22 Yrs - 1 of 208 Built & Sold In Canada!- 283 V8/350TH/NP208, 2" All Spring Lift, 32" Good Year MT/R's. 1972 GMC K2500 Custom LWB Fleetside - Proud Owner For 3 Yrs - 1 of 571 Built & Sold In Canada! - 350 V8/SM465/NP205, 4” Rough Country Lift, 33” Interco TSL Thornbirds 2007.5 GMC Sierra SLE 2500HD 4x4 - Proud Owner For 17 Yrs- 6.6L V8 Duramax Diesel/Allison 1000, 2" Lift, 33" Mickey Thompson MTZ's. 2008 Yamaha Raptor 700r - Proud Owner For 15 Yrs - ITP Mud Lites. 2015 John Deere 1025R - Proud Owner For 8 Yrs - 24HP Diesel/H120/54D/260B/SB1154. |
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08-30-2006, 01:22 PM
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#7 |
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67-72 parts finder
Join Date: Aug 2006
Location: southeast mo
Posts: 788
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Re: Swap in a 1989 FIREBIRD
well the big question is are you gonna use the tbi setup or switch to the carb??
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 1969 chevy shortstep 2wd (under construction)1981 chevy scottsdale lwb 2wd (parts chaser) 2004 pontiac gto (daily driver) 2004 pontiac grand prix gt (the ol ladys car) 1985 chevy short wide 1970 chevy c10 lwb (another parts rig) 1969 gmc lwb (rainy day project) 1968 chevy lwb c10 250 I6 3 spd (soon to be swb) |
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08-30-2006, 02:54 PM
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#8 | |
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No No
Join Date: Jun 2005
Location: Pueblo Colorado
Posts: 1,781
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Re: Swap in a 1989 FIREBIRD
Quote:
Check www.thirdgen.org/. Theres an engine swap fourm with stickys at the top that give some good details on this kinda swap. Like mentioned above the flywheel/flexplate will most lekely be different and the heads can go either way as well. If the valve covers look the same (center bolt) in either application thats a +. The only other thing you will need is a knock sensor for the 350. You cannot use the LO3 (305) knock sensor with a 350 without detonation issues. So get a knowck sensor for a 350 Fbody of the same yet with TPI and you will be set. The main swap is very straight forward unbolt and bolt back in. While you have the engine out I suggest you look into a set of headers if you dont have them already. The log manifolds dont flow well enough for the 5.0 to breath let alone a 5.7.
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1976 Custom Deluxe SWB Med FMB.3/4 Drop. Gen VI 454, Muncie HD 3 speed With Modified OE Hurst Shifter, 3.73 12 bolt, GMPP HO roller cam, Hooker headers, Performer intake with modified Q-jet, Accel distributor. Best 1/4 12.3 @108. Funnest run 19.84 @88 full 1/4 mile burn out. 1997 K1500 ext cab 5.7 stock except muffler |
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08-30-2006, 05:50 PM
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#9 |
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Insert Witty Text Here
Join Date: Oct 2002
Location: San Antonio, TX
Posts: 3,415
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Re: Swap in a 1989 FIREBIRD
My '86 had a one piece rear main.
Slonaker |
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