RS Motorsport :: Classic Speed Restored

Posted: **Wed Apr 25, 2012 9:54 am**

guys could some one tell me what compression the 711m engine had standard?

Posted: **Wed Apr 25, 2012 11:03 am**

Factory manual for the Mk2 1.6 says 8.0:1

Posted: **Wed Apr 25, 2012 3:55 pm**

if thats the case what should i drop the compression to if im gonna turbo?

Posted: **Wed Apr 25, 2012 4:44 pm**

What fuel are you intending on running?

What boost do you think you'll run?

Posted: **Wed Apr 25, 2012 5:13 pm**

was thinking 98 percent convert it to unleaded ofcoarse.. and was thinking 10 pound

also does anyone know the formula on working out what size carby il need for it?

Posted: **Wed Apr 25, 2012 7:52 pm**

Only the 1300 LC had 8:1 CR; rest had a CR of 9:1 .

Posted: **Wed Apr 25, 2012 8:05 pm**

Posted: **Wed Apr 25, 2012 10:48 pm**

Might have been different because of our Shitty fuel??

Posted: **Sat Apr 28, 2012 12:37 pm**

From 1976 onwards, all the 1600's were Low compression (8:1) thanks to ADR27A

Only the 1975 Ghia had 9:1 with 32/36 DGV and 4 branch manifold as standard.

8:1 should be alright with some boost

Posted: **Sat Apr 28, 2012 3:40 pm**

thanks ratta mines a 76 mite just run a thicker gasket to drop it some more just incase

RS Motorsport :: Classic Speed Restored

711m compression

711m compression

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