2L 16v engine work ok with (base) CIS?

[jdbubb at verizon.net (Dan Bubb)]

Presumably the 16V has a better combustion chamber and can have a higher CR without any more tendency to knock.

You are correct that the 16V and 8V knock boxes are different. The advance curves in the two boxes are different, with the 16V generally having less advance, again because it has a better combustion chamber that burns faster.

From: "Jeff Toomasson" <area53@xxxxxxxxxxxxx>
To: <mk1mark@xxxxxxxxx>
Cc: <scirocco-l@xxxxxxxxxxxx>
Sent: Monday, October 08, 2007 2:15 PM
Subject: Re: 2L 16v engine work ok with (base) CIS?


> Keep in mind - the ABA is only 10:1 whereas the PL is 10.5 and the 9A 10.8...
> 
> Another thing to note is that I'm pretty sure 16v knock boxes are different 
> part #'s than their 8v counterparts. Not sure how that impacts your situation, 
> but something to keep in mind...
> 
> G/L w/ it - JT
> 
>> On 10/8/07, Jeff Toomasson <area53@xxxxxxxxxxxxx> wrote:
>>> @ Verboten: What did you do for knock sensing? That would be my main
>>> concern installing a higher compression motor into a scirocco. But for
>>> winter use, as in Mark's case, it may not be a problem.
>>>
>>> Either way - it can definitely be done in a month, Mark. It would
>>> admittedly be easier if you had a '84+ fusebox, but it's definitely not
>>> hard for someone w/ your skillz...
>>>
>>> JT
>> 
>> 
>> Thanks for the reply guys...  I've run a high compression ABA without knock
>> sensing without issues (premium fuel...).  I may graft in the knock sensing
>> ignition, but leave the fueling stock CIS.
>> 
>> Great!  I'll start on the swap later today...
>> 
>> Later,
>> 
>> Mark.
>> 75
>> 82 - soon to be 16v
>> 82 Caddy - mTDI swap in progress
>> 91 Jetta Coupe
> 
> 
> 
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