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alfafan
Alfasud
Joined: 16 Mar 2003
Posts: 83
Location: Coimbra - Portugal
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 Posted: Wed May 19, 2004 11:33 pm Post subject: Engine AR30746 and AR30747 differences??? |
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Hi
I have seen Alfas 33 1.7 16V with AR30746 and AR30747 engines.
What are the differences between these engines?
They seem the same...
Regards
Carlos Oliveira |
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James Granger
Alfa 33
Joined: 10 Apr 2003
Posts: 302
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| Posted: Thu May 20, 2004 12:33 am Post subject: Re: Engine AR30746 and AR30747 differences??? |
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| alfafan wrote: |
Hi
I have seen Alfas 33 1.7 16V with AR30746 and AR30747 engines.
What are the differences between these engines?
They seem the same...
Regards
Carlos Oliveira |
They are the same engines; 30747 was the engine code given to the cars fitted with catalysors.  |
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paddy granger
Alfa Sprint
Joined: 12 Aug 2003
Posts: 248
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| Posted: Thu May 20, 2004 1:06 pm Post subject: |
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The engine codes:
1351 cc (1.3, 1.4)
30732 - carb version
30753 - IAW no CAT (90 bhp)
30755 - IAW CAT (87 bhp)
1490 cc (1.5)
30750 - Jetronic or Motronic no CAT (98 bhp)
30751 - Jetronic or Motronic CAT (97 bhp)
1712 cc (1.7)
30736 - Jetronic or Motronic no CAT (110 bhp)
30737 - Jetronic or Motronic CAT (107 bhp)
30746 - 16v no CAT (157 bhp)
30747 - 16v CAT (151 bhp)
The CAT engines have less power. |
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Matt Stolton
Alfa Sprint
Joined: 14 Mar 2003
Posts: 233
Location: London
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| Posted: Sat May 22, 2004 9:17 am Post subject: Slight typo |
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QUOTE
"30746 - 16v no CAT (157 bhp)
30747 - 16v CAT (151 bhp)
The CAT engines have less power"
Surely 137 and 131 BHP, although it sure feels like 157/151...
_________________
Regards
Matt
Ex Alfa 33 'GTA' (P4 with Knobs On)
Now cruising in a 166 3.2 Ti!! |
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paddy granger
Alfa Sprint
Joined: 12 Aug 2003
Posts: 248
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| Posted: Sat May 22, 2004 4:19 pm Post subject: Re: Slight typo |
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| Matt Stolton wrote: |
QUOTE
"30746 - 16v no CAT (157 bhp)
30747 - 16v CAT (151 bhp)
The CAT engines have less power"
Surely 137 and 131 BHP, although it sure feels like 157/151... |
Looks like I posted the torque figures by mistake.  Actually, according to my Alfa workshop manual, the CAT 16v has 132 bhp!  |
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Lon
Alfasud
Joined: 28 Mar 2003
Posts: 29
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| Posted: Mon May 24, 2004 9:26 am Post subject: |
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| paddy granger wrote: |
The engine codes:
The CAT engines have less power. |
Indeed it has less power output... but when you put the exhaust system of the 30746 on the 30747 yopu have the same amount of power..
ohh and you need to put an other config block next to your ECU (yellow, red or green relay type block)
_________________
Registro Trentatre: http://www.alfaromeo33.nl
Alfa 33 1.7 S 16v QV '92 |
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