Re: highest compression on a cis e

["J Miller" <sjmill@erols.com>]

well it is a race ported head with oversized valves (lots of air) at the
point where the head is at i dont think imatters what it was
as for the block yes it is a custom built 2.1L  i cant switch to motronic
cause no one makes a chip for it, i called all the tuners garret TT and they
dont make a chip for it, hte best i can do i scall my tuner and have him
burn me one at 750-1000 i shoudl just ge an aftermarket engine management,
as fo rht einjectors it should hold colin over at TT said it shoudl be no
problems, i shoudl have aroudn 200 on the crank, or so,
i have the moduale and am currently trying to get my hands back on teh
adjustable one that someone built for me,  fuel delivery is adjustable  with
this enrichment device just need to be acle to adjust it, once agian dyno
time but less tiem maybe 2 hours to mess it that and the cam timing
as for the swap i spoke to dale witt on the list in ghost mode and he is
having no issues qiht a 2.1L 10.5:1 compression
i am just trying to figure this out before i go nuts oh well to late no i
just have to find my sanity
i dont want to spen dthe 4500 left to finsih it perfect, i just want the car
runnign so i can try and sell it, but it will run correct that is my issue,
i dont want to put this engine together only to become a grenade. i also
have the gofl 50mm intake so i am trying to figure out how to reroute the
fuel lines adn airbox with out the moronic sswap
jonas
----- Original Message -----
From: "Shawn Rader" <s_t_rader@excite.com>
To: <scirocco-l@scirocco.org>
Sent: Thursday, May 03, 2001 11:38 AM
Subject: Re: highest compression on a cis e


>
> Just to clarify things: you are putting a 1.8liter head, on a 2.1 liter
> block with 12:1 compression, with cis-e right?  It will work, but you
won't
> be getting much if any more horsepower than with 11:1 compression.  CIS-E
> reaches it's limits at around 170hp, probably a few more with the fuel
> enrichment module.  Alot of people report fuel starvation with the stock
> 1.8L 16valve at very high rpm's.  With the 2.1liter 12:1 block you will
> reach the limits of the system at a much lower rpm because you are flowing
> so much more air.
> But to answer your question - there is no "limit" to the compression that
> CIS-E can handle.  Raising the compression has roughly the same effect as
> increasing the engines displacement - it increases the amount of air your
> engine flows.  With more air you can burn more fuel which means more
power.
> By raising the compression from 11:1 to 12:1 your engine is flowing 9%
more
> air at any given rpm- about the same as increasing you engine displacement
> from 2.1L to 2.3L.  Bigger injectors might help - but don't take my word
for
> it.  Buy the bentley Bosch fuel injection book.  With a beast of an engine
> like that you should consider a swap to motronic.
>
> -shawn
> '81 S
>
> On Thu, 3 May 2001 08:35:05 -0400, J Miller wrote:
>
> >  i am courious what the highest compression rate that the cis e
injection
> on
> >  a 1.8 16 could handle,
> >  i know 11:1 works fine but what above 12:1
> >  i need a car and i am just goign to slap the 2.1L in with the stock EMS
> and
> >  a few other minor mods
> >  Hey mr rust bucket i need an adjustable moduale
> >  jonas miller
> >  1976 2.0L 8v  scirocco   for sale
> >  1987 soon to be a monster 2.1L
> >  fzr 600 bleediun carbs
> >
> >
> >
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>
>
>
>
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