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305 tbi - 302 tbi

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Old Mar 31, 2004 | 12:33 AM
  #1  
deadhead1882's Avatar
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From: Baltimore MD area
Car: 82 El Camino
Engine: built 355
Transmission: T-56 upgraded internal
Axle/Gears: 10 bolt 3.42
305 tbi - 302 tbi

my engine is starting to get old, and not really trusting anymore, so thinking about upgrading, but wanna put a 302 in it, anyone know of a place that sells 302s already built or just the short blocks atleast
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Old Mar 31, 2004 | 01:00 PM
  #2  
five7kid's Avatar
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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
(Dang, got to do this all over again - server went down as I posted my response...)

I haven't seen a 302 crate for at least 20 years. Even rebuild kits are becoming special order (if you get pistons).

The 302 requires a 3" crank. The factory 3" cranks were mostly small journal (but at least they were steel), so if you happen to find one, you'll need a small journal 4" bore block (read: '62-'67 327). Or, bearing spacers in a large-journal 4" bore block (good luck finding them). There were a few factory 3" stroke large journal cranks in '68 & '69 302's, collectors items.

You could get a custom crank. I checked Eagle's website, the shortest stroke they offer is 3.25". You might try Scat or Moroso, figure on at least $600 if not a grand for the crank.

The good news is most any Gen I 4" large journal crank bore block would work. All such 350's were large journal.

Just for the record: Why a 302? So you can say you have the same size engine as the Stang down the street? Because you heard the 302 was a killer engine in its day? Truth is, any 350 on which you spent the same money would outrun it.
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Old Apr 2, 2004 | 09:46 PM
  #3  
Air_Adam's Avatar
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Joined: Oct 2002
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
For what its worth, I could swear I saw a 3" stroke LG crank at Lunati's website.

www.holley.com
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