Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

305 rebuild

Thread Tools
 
Search this Thread
 
Old Dec 2, 2009 | 10:43 AM
  #1  
84_Maro's Avatar
Thread Starter
Junior Member
 
Joined: Aug 2009
Posts: 30
Likes: 0
From: NOVA
Car: 84 Berlinetta
305 rebuild

i am going to do a rebuild of my 305. but i want to add "stuff" to the motor to get the engine pushing at least 200HP compared to the stock 160HP. what can i do to modify the motor? im not too knowledgeable when it comes to engine work on domestics.
Reply
Old Dec 2, 2009 | 10:59 AM
  #2  
camaro1185's Avatar
Senior Member
 
Joined: Apr 2006
Posts: 685
Likes: 0
From: CT
Car: 1988 Iroc
Engine: 5.7L
Transmission: '96 T56, Hurst Shifter, Mech VSS
Axle/Gears: 3.45 9 Bolt
Re: 305 rebuild

Do a search.....

Why not get a 350? A 350 can be had pretty cheap, slap on a full exhaust, cam, high flow heads and you will be over well over 200HP.
Reply
Old Dec 2, 2009 | 11:08 AM
  #3  
84_Maro's Avatar
Thread Starter
Junior Member
 
Joined: Aug 2009
Posts: 30
Likes: 0
From: NOVA
Car: 84 Berlinetta
Re: 305 rebuild

Originally Posted by camaro1185
Do a search.....

Why not get a 350? A 350 can be had pretty cheap, slap on a full exhaust, cam, high flow heads and you will be over well over 200HP.
a 350 is too expensive for my budget, my friends taking out the engine so rebuilding it at the shop will be real cheap $300.
Reply
Old Dec 2, 2009 | 11:18 AM
  #4  
chevy86irocz's Avatar
Junior Member
 
Joined: Oct 2008
Posts: 2
Likes: 0
Car: 86 Iroc-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.23
Re: 305 rebuild

Convert it to a roller setup and a set of vortec heads should help it...
Reply
Old Dec 2, 2009 | 11:43 AM
  #5  
Saabster's Avatar
Member
iTrader: (2)
 
Joined: Sep 2006
Posts: 440
Likes: 0
From: Greater D.C. area.
Car: 89 Camaro RS
Engine: LO3 TBI
Transmission: 700R4 => WC T-5
Axle/Gears: 3.42 Open Diff
Re: 305 rebuild

Originally Posted by 84_Maro
a 350 is too expensive for my budget, my friends taking out the engine so rebuilding it at the shop will be real cheap $300.
That's sounds way low for a rebuild.
Reply
Old Dec 2, 2009 | 11:48 AM
  #6  
toolegit86's Avatar
Member
 
Joined: Nov 2009
Posts: 376
Likes: 0
From: tri-cities Wa
Car: 83 camaro l69
Engine: turbo lsx
Transmission: th350
Axle/Gears: disk rear, 10bolt.
Re: 305 rebuild

are you lookin to spend 300?? ive found a 350 as cheap as 150$
Reply
Old Dec 2, 2009 | 01:40 PM
  #7  
camaro1185's Avatar
Senior Member
 
Joined: Apr 2006
Posts: 685
Likes: 0
From: CT
Car: 1988 Iroc
Engine: 5.7L
Transmission: '96 T56, Hurst Shifter, Mech VSS
Axle/Gears: 3.45 9 Bolt
Re: 305 rebuild

BTW, whats wrong with the motor that it needs a rebuild?
Reply
Old Dec 2, 2009 | 03:06 PM
  #8  
GICATA's Avatar
Member
15 Year Member
Liked
Loved
 
Joined: May 2006
Posts: 319
Likes: 2
From: Grand Junction, Co
Car: '83 WS6 T/A 65,000 miles
Engine: 5.0L vin H stock, 406SBC right now
Transmission: T-5
Axle/Gears: Corp. 3.73
Re: 305 rebuild

If you're carburated, a good cam like the Extremes from Comp and a Performer RPM or Z28 style high rise along with good exhaust and gears will really wake that car up. mine ran mid/high 14s with no off the line traction @ 96 miles per hour with only mods like listed above and some good tuning. Heads will help a lot, but the $$ will add up fast.
Reply
Old Dec 3, 2009 | 12:00 AM
  #9  
five7kid's Avatar
Moderator
25 Year Member
iTrader: (14)
 
Joined: Mar 2000
Posts: 43,187
Likes: 46
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally Posted by camaro1185
BTW, whats wrong with the motor that it needs a rebuild?
That's a very good question.

If by "rebuild" you mean "adding stuff", then you can do this without pulling the engine. I.E., cam and valve springs will get you to 200 HP.

But...

That's assuming the exhaust is up to the task. And, stock LG4 exhaust is not up to the task. The bad news is $300 will not cover what you need to do to the exhaust to get it up to the task.
Reply
Old Dec 3, 2009 | 12:39 AM
  #10  
84_Maro's Avatar
Thread Starter
Junior Member
 
Joined: Aug 2009
Posts: 30
Likes: 0
From: NOVA
Car: 84 Berlinetta
Re: 305 rebuild

Originally Posted by toolegit86
are you lookin to spend 300?? ive found a 350 as cheap as 150$
is it a carburated 350? and can u pm me the link please??

-the engine is just too old. and i want it new. and runable. i want to rebuild the actualy engine not add cams and bolt-ons, thats after i get it running. thanks for the help guys please post more help.
Reply
Old Dec 3, 2009 | 09:53 AM
  #11  
84_Maro's Avatar
Thread Starter
Junior Member
 
Joined: Aug 2009
Posts: 30
Likes: 0
From: NOVA
Car: 84 Berlinetta
Re: 305 rebuild

or can i get a 383 stroker kit put into the 305??
Reply
Old Dec 3, 2009 | 01:07 PM
  #12  
camaro1185's Avatar
Senior Member
 
Joined: Apr 2006
Posts: 685
Likes: 0
From: CT
Car: 1988 Iroc
Engine: 5.7L
Transmission: '96 T56, Hurst Shifter, Mech VSS
Axle/Gears: 3.45 9 Bolt
Re: 305 rebuild

Originally Posted by 84_Maro
or can i get a 383 stroker kit put into the 305??

a 383 stroker kit is only for a 350. NOT a 305.

Not only that, if u did have a 350 and wanted to go 383, its going to cost a hell of a lot more than $300.

Last edited by camaro1185; Dec 3, 2009 at 01:36 PM.
Reply
Old Dec 3, 2009 | 03:58 PM
  #13  
BlackMamba's Avatar
Senior Member
15 Year Member
iTrader: (6)
 
Joined: Sep 2007
Posts: 697
Likes: 0
From: Adelanto, Ca/ El Paso, Tx
Car: 84 Camaro Z28
Engine: 355 Carb
Transmission: T5
Axle/Gears: 3.42
Re: 305 rebuild

You should add a cam with lifts and valve spring to hold the new lift and that should help you get closer to you h.p. goal. There are even cams that work with computer control set up in case you have that set up
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
InfinityShade
Tech / General Engine
2
Feb 21, 2016 01:29 PM
fbirdroller
Electronics
11
Sep 2, 2015 10:27 PM
someone972
Transmissions and Drivetrain
6
Aug 30, 2015 12:52 AM
djmarch
DFI and ECM
1
Aug 10, 2015 08:42 AM
hokis
Transmissions and Drivetrain
9
Aug 9, 2015 03:57 PM




All times are GMT -5. The time now is 09:31 AM.