XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

manual v12 with webers on craigslist

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Old 04-05-2017, 09:52 AM
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Default manual v12 with webers on craigslist

This is a nice looking modified XJS for sale, I would like to hear it running.

https://chicago.craigslist.org/wcl/ctd/6055076781.html

Paul
 
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Old 04-05-2017, 10:29 AM
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Georgous engine but that bonnet... Ouch!

Would have been a lot easier to say fit a later bonnet and use the gain in "headroom" in there for a cold air intake from above the radiator...

But wow! I'd love to do that conversion!
 
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Old 04-05-2017, 10:58 AM
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It could be worse, at least it doesn't have a leaper.
 
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Old 04-05-2017, 11:01 AM
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Originally Posted by that guy
It could be worse, at least it doesn't have a leaper.
I couldn't agree more!
 
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Old 04-05-2017, 12:40 PM
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What will those Webers do other than drink fuel, if the engine is standard?
Greg
 
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Old 04-05-2017, 12:41 PM
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love to know how this runs compared to stock
 
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Old 04-05-2017, 12:51 PM
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Originally Posted by Lotahp1
love to know how this runs compared to stock
If it has the standard EFI cams, then not really that well. Should have some cams from a carbed model, then it would perform and be tweakable.
 
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Old 04-05-2017, 04:10 PM
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I don't know why people put webbers on instead of FI. The fuel has much further to travel down the intake allowing more opportunity to drop out of suspension. Use more fuel for same power = BSFC
 
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Old 04-06-2017, 10:15 AM
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Not to mention the cylinder washing causing the engine to wear faster, the complication of syncing all the carbs, the potential maintenance of all of those carbs, etc.
 
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