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Old Aug 15, 2003 | 08:28 AM
  #1  
3.1LFirebird's Avatar
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From: Va beach
rebuild

i think i have to replace the lifters in my 2.8 and while im at it i am going to rebuild the whole engine. i am going to work it a little bit soo i would like some ideas on some inexpensive modifications
also does anybody know if it is a roller block
88 firebird
2.8 v6
5 speed
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Old Aug 15, 2003 | 09:17 AM
  #2  
85f-bird's Avatar
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From: St. Louis, MO
Car: 85' Firebird (Project), 92' RS
Engine: 2.8L, LS1
Transmission: 700R4, 4L60E
Axle/Gears: 3.42 Open , 10 Bolt (ukn)
I'm just about a 100% sure that our engine isn't a roller...just about 100%. While you'ev got the motor out a cam wouldn't be a big hassle, but what'st he price of the rebuild kit? And how close would it come to the 500 bux for a new Short Block, then re-use ur heads and get them ported, decked, milled, etc. Then add the cam to the new block, let it run like a champ, and have a good time w/ a trusty new engine. Or , was there any reason you hadn't considered (or had u considered) the 3.4L swap, i know if i didn't mention it, Ked might come and jump in on this swap so hopefully i've beat him to it.
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Old Aug 15, 2003 | 09:37 AM
  #3  
Project: 85 2.8 bird's Avatar
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
100% sure it isn't a roller engne, at least not the f-body version.

There is a 3.4 selling cheap . See my LINK

Last edited by Project: 85 2.8 bird; Aug 15, 2003 at 09:39 AM.
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Old Aug 15, 2003 | 10:58 AM
  #4  
3.1LFirebird's Avatar
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From: Va beach
im on kind of a money restriction bieng that i dont make a whole lot
i cant really see the point of a new block since mine onl has 74k but if it is the lifters that is the problem and new cam would go in make the idle a little lumpy
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Old Aug 15, 2003 | 01:19 PM
  #5  
Lee7's Avatar
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Car: 88 BMW 535i
Engine: 3.5L M30
Transmission: 4HP22E
Originally posted by 3.1LFirebird
im on kind of a money restriction bieng that i dont make a whole lot
i cant really see the point of a new block since mine onl has 74k but if it is the lifters that is the problem and new cam would go in make the idle a little lumpy
a new short block would come with the whole bottom end (pistons, connecting rods, crank, all the bearings, oil pan, gastkets, etc)

If you just wanted to rebuild the engine to factory specs, going with a shortblock would be the best bet.

But if i was you, i would definatly consider 10.5:1 compression pistons, that will give you a nice heathly boost in power along with a camshaft. A 3.1/3.4 crank would also give you a nice boost in power.

Definately take this into consideration while you have the block already out and before you buy the parts you need. It will save you alot of money in the long run.
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Old Aug 16, 2003 | 08:56 AM
  #6  
3.1LFirebird's Avatar
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From: Va beach
i was already thinkin bout a 3.4 crank and a new cam i dont know weather i try to find one in a junk yard and take it to the machine shop along with the block but im only gonna rebuild it if the lifters are screwed hopfully it is just a loose rocker or two
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Old Aug 20, 2003 | 03:29 PM
  #7  
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From: Huntsville, AL.
Car: 1991 Firebird
Engine: 3.1L
Transmission: Stock
Axle/Gears: Stock
Where can you get a new short block for $500??
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Old Aug 20, 2003 | 03:46 PM
  #8  
Lee7's Avatar
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Car: 88 BMW 535i
Engine: 3.5L M30
Transmission: 4HP22E
Originally posted by JohnTheBull
Where can you get a new short block for $500??
http://www.wtv-zone.com/fierodave/28RWD.html
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