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11-02-2008, 06:28 PM
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#1
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Join Date: Jul 2007
Location: Middlesex, NJ
Posts: 462
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305 Upgrade?
First off im buying a 4 bolt 350 block and im making a 383 project out of it. But in the meantime i really want to upgrade my tired old LG4 and i just need suggestions to grow some confidence seeing that this is all i have to drive.
I have almost 180 k on this but it runs great...now i do get blue smoke on start up only so im gonna replace my valve seals but then i figured why not just swap out the heads.
So im looking for a good, somewhat mild and decent priced carb, head and intake manifold combo to throw on this. Something im gonna really feel but not blow up the drive line or the bottom end. Direct bolt in kinda deal.
thanks
__________________
Harry (Proud member of NJFB) www.myspace.com/newjerseyfbodies
1986 FireBird LG4
-FlowMaster 3inch American Thunder -Edelbrock Elite Series Intake -WS6 Style Functional Ram Air Hood -B&M Shift Kit -American Racing Outlaw II Alloys -Fuzion HRI Tires
8/26/07 Just reached 160K and running great!
1/15/09 Just reached 180K and still running great!
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11-02-2008, 06:33 PM
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#2
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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Honestly, Harry, I would'nt do anything and waste your time on the 305... Just dump everything into the 383.
__________________
1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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11-02-2008, 06:34 PM
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#3
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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Look for a set of aluminum L98 heads off of a late 80s TPI vette. You should be able to find a stock set for a few hundred dollars and they will give you a pretty nice gain over your stock heads (as well as shave some weight off the nose of the car).
I just sold a set of those heads with some work done to them along with a Performer intake to another member here who was looking to spruce up his 305 as well.
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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11-02-2008, 06:35 PM
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#4
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Don't bother with heads on a 305.
As for an intake and carb- Edelbrock Performer and a Holley 600 Vacuum Secondary.
Last edited by WildBillyT; 11-02-2008 at 06:35 PM.
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11-02-2008, 06:36 PM
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#5
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10 Second Club
Join Date: Aug 2005
Location: lake hopatcong
Posts: 331
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dont do a thing with that engine! run it till its dead, but dont mod it. with that millage, any kind of power increase may end up biting u in the ass.
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11-02-2008, 06:47 PM
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#6
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Join Date: Jul 2007
Location: Middlesex, NJ
Posts: 462
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I know. Everything you guys are saying is what ive been saying to myself for the last three years haha...Although i love my girl im still tired of driving in a car thats all bark and no bite, i guess im getting inpatient. I gotta wait til im done with school.
While were on this though..the guy im buying the block off of has a one piece and two piece 3 so im not sure which ones better
__________________
Harry (Proud member of NJFB) www.myspace.com/newjerseyfbodies
1986 FireBird LG4
-FlowMaster 3inch American Thunder -Edelbrock Elite Series Intake -WS6 Style Functional Ram Air Hood -B&M Shift Kit -American Racing Outlaw II Alloys -Fuzion HRI Tires
8/26/07 Just reached 160K and running great!
1/15/09 Just reached 180K and still running great!
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11-02-2008, 06:51 PM
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#7
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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Peice what? Rear main seal?
__________________
1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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11-02-2008, 06:54 PM
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#8
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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If you are talking about a rear main seal i would go with the 1 piece in hopes that it's a roller block 
- Justin
__________________
1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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11-02-2008, 06:58 PM
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#9
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Join Date: Jul 2007
Location: Middlesex, NJ
Posts: 462
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Sorry about that, ya im talking about the rear main seal...im leaning more towards the 1 piece because ive seen less leaking issues on that style.
__________________
Harry (Proud member of NJFB) www.myspace.com/newjerseyfbodies
1986 FireBird LG4
-FlowMaster 3inch American Thunder -Edelbrock Elite Series Intake -WS6 Style Functional Ram Air Hood -B&M Shift Kit -American Racing Outlaw II Alloys -Fuzion HRI Tires
8/26/07 Just reached 160K and running great!
1/15/09 Just reached 180K and still running great!
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11-02-2008, 07:04 PM
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#10
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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Quote:
Originally Posted by Predator86
Sorry about that, ya im talking about the rear main seal...im leaning more towards the 1 piece because ive seen less leaking issues on that style.
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__________________
1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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11-02-2008, 07:04 PM
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#11
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10 Second Club
Join Date: Aug 2005
Location: lake hopatcong
Posts: 331
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go with the one piece. easier to replace the seal and its probably a roller block
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11-02-2008, 07:15 PM
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#12
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Join Date: Jul 2007
Location: Middlesex, NJ
Posts: 462
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ok cool thanks guys
im still a broke loser but i can atleast hold on to the dream
__________________
Harry (Proud member of NJFB) www.myspace.com/newjerseyfbodies
1986 FireBird LG4
-FlowMaster 3inch American Thunder -Edelbrock Elite Series Intake -WS6 Style Functional Ram Air Hood -B&M Shift Kit -American Racing Outlaw II Alloys -Fuzion HRI Tires
8/26/07 Just reached 160K and running great!
1/15/09 Just reached 180K and still running great!
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11-03-2008, 05:24 PM
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#13
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Join Date: Jul 2007
Location: Middlesex, NJ
Posts: 462
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im gonna be starting a new thread in the near future when i start my project stroker
__________________
Harry (Proud member of NJFB) www.myspace.com/newjerseyfbodies
1986 FireBird LG4
-FlowMaster 3inch American Thunder -Edelbrock Elite Series Intake -WS6 Style Functional Ram Air Hood -B&M Shift Kit -American Racing Outlaw II Alloys -Fuzion HRI Tires
8/26/07 Just reached 160K and running great!
1/15/09 Just reached 180K and still running great!
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11-03-2008, 05:29 PM
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#14
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Join Date: Jan 2008
Location: Aberdeen,nc/columbus,nj
Posts: 1,449
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i got a set of 350 heads you can have you just need to come get them
__________________
Eric
07 Silverado 1500 5.3
01 Z28 6 speed
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