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 1.8 T Engine Head Cross Compatability View next topic
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roquattro
Knows a Bit


Car: S4 B5 - Ming Blue
Power: 265
Torque: Stock
Engine code: AGB

Joined: 19 Feb 2013
Posts: 200

Location: N. Ireland

PostPosted: Sun Jul 13, 2014 12:48 pm  Reply with quoteBack to top

My brothers AJQ engine requires a new head - can anyone tell me which engine codes allow cross compatibility? I know there is variation with regards to VVT, port sizes, mapping etc - any help would be most appreciated - I'm a 2.7 S4 guy - the 1.8TQS is not my area of expertise for sure.

Ro

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dtwoi
Knows a Bit



Joined: 17 May 2009
Posts: 197

Location: North West

PostPosted: Sun Jul 13, 2014 1:47 pm Reply with quoteBack to top

http://www.clubgti.com/showthread.php?34368-1-8T-20V-Engine-codes-FAQ

Bit of info here if this helps
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dtwoi
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Joined: 17 May 2009
Posts: 197

Location: North West

PostPosted: Sun Jul 13, 2014 1:55 pm Reply with quoteBack to top

From what i can remember the AJQ is a large port head and i think,And although not absolutely sure think its non VVT so cross match with the heads that match that criteria.
I bought a small port head off a passat years ago but just opened up the inlet ports and matched them to the manifold.
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Byzan a4
Skilled


Car: 1.8 T Q S
Power: 360
Torque: 330
Engine code: AJL

Joined: 04 Mar 2009
Posts: 1477


PostPosted: Sun Jul 13, 2014 8:05 pm Reply with quoteBack to top

AJQ is small port, any head will work as a direct drop on, more likely AUM if you want to retain the SAI

The large port heads with no SAI are AEB, Ajl, ADR and AGU.

Small port is everything else, but like i say, check for the sai port, it's easier to block it up that it is to add it.

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2.0 TQS :K04064 : Je Forged rods & pistons : Supertech LP head : ME7.5 ECU Conversion :3inch DP : Miltek : 100 Cell CAT. :. WCI CC10's : MRC SUCK.
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roquattro
Knows a Bit


Car: S4 B5 - Ming Blue
Power: 265
Torque: Stock
Engine code: AGB

Joined: 19 Feb 2013
Posts: 200

Location: N. Ireland

PostPosted: Wed Jul 16, 2014 11:35 am Reply with quoteBack to top

Ok gents - I cam across this APY head on EBay - will it work?


http://www.ebay.co.uk/itm/Audi-s3...rParts_SM&hash=item1c432789a7

Cheers,

Ro

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Drue1
Brand New, Welcome :)


Car: Audi s3

Joined: 26 Jul 2014
Posts: 14


PostPosted: Fri Aug 01, 2014 4:26 pm Reply with quoteBack to top

I bought a complete AGU engine for the big port head
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