Newbee
Joined: Mar 2000
Posts: 43,187
Likes: 42
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
Welcome aboard thirdgen.org.
Opinion? Remove the 305, get a Vortec spreadbore intake, put the 305 control stuff on the L31.
Opinion? Remove the 305, get a Vortec spreadbore intake, put the 305 control stuff on the L31.
Joined: Sep 2005
Posts: 27,866
Likes: 2,428
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: Newbee
305 is currently carborated, and I want to stick with that on the L31
Turn the bolts.
Done.You'll need a different intake manifold, is the only thing; Vortec heads have the intake ports in a different place. I'd suggest the Edelbrock Performer for Vortecs. You might also need an electric fuel pump, as I don't think that block will support your mechanical one; I'd mount it on the frame, right by the engine, where the existing lines can hook up to it.
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iTrader: (1)
Joined: Jan 2008
Posts: 38
Likes: 0
From: Ohio
Car: 82 Camaro
Engine: 3 350's
Transmission: 3 t350
Re: Newbee
I am also looking to beef up the L31, any ideas as far as Crank, cam and so on. I have worked on cars all my life, but it has been only maint. I have no idea as far as what cams work with what, so any advise I can get will be greatly appreciated.
Joined: Sep 2004
Posts: 2,777
Likes: 7
From: Casselberry, FLA
Car: 88 V6 'bird/89TBI bird/85 T/A
Engine: 2.8/TBI/TPI
Transmission: V8 T-5/700R4 x2
Axle/Gears: 3.42 open/2.73 open/ 3.27 9 bolt
Re: Newbee
An L31 long block is a great place to start. It has powdered metal rods, and a decently strong cast crank to go with it. You should just use what you have now and then go over to DIY PROM and learn how to tune that thing. Tuning is power!
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Junior Member
iTrader: (1)
Joined: Jan 2008
Posts: 38
Likes: 0
From: Ohio
Car: 82 Camaro
Engine: 3 350's
Transmission: 3 t350
Re: Newbee
it currently has a spun barring. So the crank is need of some TLC. Also I am not running any computer or fuel injection. Wanting Old School! (Carb)
Last edited by hellraiser6; Jan 17, 2008 at 07:17 PM.
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