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07-09-2010, 09:13 PM
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#26 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: what's wrong with 305's
 now thats funny. 
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken Last edited by 68GMCCustom; 07-09-2010 at 09:13 PM. |
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07-12-2010, 10:55 PM
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#27 |
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Registered User
Join Date: May 2010
Location: massena NY
Posts: 33
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Re: what's wrong with 305's
I have a 305 V-6 in my c30 1 ton, it was out of a 1966. I changed the carb to a new 2 barrell Holley. She is a champ pretty much, bullet proof....
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A lot to think about, not much to worry about... |
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07-14-2010, 11:01 AM
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#28 |
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Registered User
 
Join Date: Jan 2003
Location: Safford,AZ
Posts: 3,625
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Re: what's wrong with 305's
I have picked up FREE 305's from craigslist. Rebuilding a 305 can count less than a 350 if you wait (or source) the parts before you need them. If you were to rebuild a 305, the best option is to get a 88-up roller cam block with a 1piece rear main seal.
Use a piston like this: http://cgi.ebay.com/ebaymotors/SET-8...Q5fAccessories cam like this: http://cgi.ebay.com/ebaymotors/350-5...item3a5cd176e8 and run chevy heads (416) or 305 vortecs with a dual plane manifold.
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1969  307, t3501950 Chevy Wagon 1978 Big 10 1967 C10, 250,3-OTT |
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07-14-2010, 11:30 AM
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#29 |
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Account Suspended
Join Date: Oct 2009
Location: Sammamish, WA
Posts: 2,404
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Re: what's wrong with 305's
45 (or more) too few CID. Same price to build, lesss power - seldom what folks are looking for.
Not a bad little engine, but not one to spend any money on. I can only speak for myself. |
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07-14-2010, 04:39 PM
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#30 |
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Burnouts are therapeutic
Join Date: Jun 2007
Location: lancaster, south carolina
Posts: 852
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Re: what's wrong with 305's
good motors if its a driver or work truck no problem ,but in my opinion not good for resale, bought the 68 I had with one in it
(smoking and using oil) and it was the first thing to go . I couldn't give that motor away had to scrap it. they will de-value a classic, in my opinion the same car or truck with a 350 will always bring more.
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1969 CHEVELLE SS 1972 C10 ALMOST DAILY DRIVER 1968 C10 RUSTBUCKET (MISSION IMPOSSIBLE) 1972 PONTIAC LEMANS CONVERTIBLE (WIFE'S CAR) "My wife and I were happy for twenty years. Then we met." - Rodney Dangerfield "The difference between genius and stupidity is that genius has its limits." - Einstein |
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07-14-2010, 05:05 PM
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#31 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: what's wrong with 305's
As a stocker... fine.
Modified... garbage. You won't find any 305's under the hood of anything I own.  Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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Last edited by GASoline71; 07-14-2010 at 05:05 PM. |
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07-14-2010, 10:08 PM
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#32 |
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Cruzin
Join Date: Dec 2009
Location: on the road
Posts: 2,835
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Re: what's wrong with 305's
bring the all to me i will take them
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Lime Wife's 67https://www.google.com/url?sa=t&rct=...wZEMODaS2d94u8 Back to the Fifties 59 https://www.google.com/url?sa=t&rct=...NAeStpydfrcj_U Proverbs 3:5,6 "Thanks to the Interstate Highway System, it is now possible to travel across the country from coast to coast without seeing anything."Charles Kuralt In memory of our first baby daughter, daddy and mommy love you. Danica Grace 6/26/14
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07-15-2010, 12:06 AM
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#33 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: what's wrong with 305's
I gave my last 305 away when the 383 went in. Compression was so low you could hand spin it with the plugs in....so yes you could have had mine!
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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07-15-2010, 08:37 PM
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#34 |
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Registered User
Join Date: Nov 2007
Location: Indianapolis
Posts: 1,161
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Re: what's wrong with 305's
go old school-build a 283
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07-15-2010, 08:52 PM
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#35 |
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Java Mechanic
Join Date: Jun 2005
Location: Martinsburg, WV
Posts: 6,763
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Re: what's wrong with 305's
You can build the ding-dong out of a 305 but it will cost a bit more than it will to get similar results from a 350.
http://www.chevyhiperformance.com/te..._ii/index.html I had a 95 short-fleet with a vortec 305 and, though it was no Corvette, it was not disappointing in the least.
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Keith 11 Lincoln MKT -- Momma's wagon 13 G37xS -- middle age crazy car 68 C20 Fleetside -- RIP Decorating the whole town up at a cost of $27 .... |
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07-16-2010, 12:33 AM
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#36 |
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Registered User
Join Date: Oct 2008
Location: los angeles ca
Posts: 220
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Re: what's wrong with 305's
If I am not mistaken the 305 cannot be bored much larger than what they did at the factory so guys who want some get up and go use a 350. In 1985 my friend had one of the first IROC z28s and that car scared the crap out of me, then after he let me out he would burn posi marks a good 75 to 100 feet. Nothing wrong with the 305.
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