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Re: [Shop-talk] Engine swaps; 350 SBC donor cars.

To: paul.mele@usermail.com
Subject: Re: [Shop-talk] Engine swaps; 350 SBC donor cars.
From: ScottyGrover@aol.com
Date: Sun, 21 Dec 2008 20:24:53 EST
In a message dated 12/21/2008 5:15:19 P.M. Pacific Standard Time,  
paul.mele@usermail.com writes:

I  suspect a number of you are car guys.

I've acquired an 87 V12 jag  coupe.  I know that the V12 isn't a good engine;
it has a GM TH350  behind it.
I've seen the Small block chevy conversions; they seem to be the  way to go.
I've found some ref's...

I'm looking for any ideas on the  swap, but particularly a good idea for
donor cars 5-10 yrs old that I could  use to source the engine, trans and
wiring harness (...no warm beer for  me).  The goal of the swap is
reliability and fuel mileage comparable  to the wife's 96 caddy deville with
Northstar.  It gets 22 around town  and 27 on the cruise. it weighs 4000 lbs;
the 4.6L Northstar is about 305  HP/ 300 ft-lbs if memory serves.

the Jag's V12 is about 285 HP/ 295  ft-lbs, and also weighs around 4000 lbs
with the V12.  I don't see any  weight listed for the V12 engine, but I'd
guess it 100-200 lbs heavier than  the SBC.

So, who has some ideas on 350 SBC-equipped production cars  with ratings
similar to above, and a 4-speed auto/ OD  trans?

thanks

PM



I'd suggest, rather than the SBC, trying the LS-1 type engine (from a  
Corvette) with the aluminium block.  This has been used as a replacement  for a 
215 
cid aluminium Buick engine (remember those, they were used in the Land  Rover 
until Ford took over Rover.)  The engine was lighter and shorter than  the 
Buick engine, and that was important, since the engine was located in the  rear 
of a Corvair, replacing the flat-6.  
 
Scotty from Hollyweird
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