Re: ABA swap questions

[Gary Huff <scirocco86@home.com>]

If you want a turbo with 8:1 compression, you don't want CIS or CIS-E. You'd want real pulsed EFI, and you'd want to run a shitload of boost, something CIS or CIS-E wouldn't be able to handle. The problem with turbocharging a CIS car is that over 5-6lbs of boost, you start running over the limits of the fuel injection.Stuff a nice 2.0l 16v motor in it, and be happy. If you really want to turbocharge it, be prepared for a long challenging project that isn't for the faint of heart :) Ask me, Honnold, Brad, Wing or any of the other guys doing this. The 8v stuff is fairly readily available, but the 16v stuff is DIY.
	-ghuff

On Tue, Sep 18, 2001 at 01:04:10AM -0700, Tim Ebling wrote:
> 
> Well guess what, my poor tired (but until this point reliable) stock 1.8l
> 16V engine finally blew its head gasket at 195k miles.  I had been planning
> on doing some kind of engine swap at SOME point, but this little event has
> sort of accelerated the process!
> 
> So that leads me to the question of what I want to swap.  I'd like a 1.8T
> (who wouldn't) but lack the funds at this point, and probably at any point.
> 2.0l 16V is something of a no-brainer, but an ABA swap is very intriguing to
> me, esp. since I dig the idea of having an almost-new engine at a cost far
> less then the 1.8T.  Not to mention the other benefits which have been
> mentioned here.
> 
> So after poring over the list archives (search for "ABA"), I've learned
> quite a bit about the ABA swap, but still have some questions:
> 
> 1) Can I use my 16V head?  Apparently this lowers the CR to 8:1, so does
> that limit me to turbo applications?  Turbo is a possibility, and moreso if
> I hear more from the list members who are doing this (Scott?)  Still, would
> I need headwork or pistons to make it work?  It'd be nice if I could keep
> the head from my present engine, but it's not a requirement by any means,
> and less so if it involves quite a bit more work.
> 
> 2) Throttle body clearance issues - some people say they have 'em, some
> don't.  Everyone says that a big hammer does the trick :-)  Now does it
> REALLY?  Be honest!
> 
> 3) What's the FINAL word on the problem with the upper stress bar not
> fitting?  Very curious on this one, because I certainly want to keep mine!
> Will my existing 16V bar work, since it already accomodates the 16V throttle
> body (which supposedly has its own clearance issues when doing 16V swaps
> into earlier cars).
> 
> 4) Crossflow head: Is all the work to keep the donor head + Motronic really
> worth it?  It seems that those who are doing it ARE doing it, but at the
> cost of getting snagged on a lot of little issues and having to come up with
> custom parts in order to pull it off (Eric?)  Yeah you can chip it, but that
> can't be the only way to gain hp with these motors.
> 
> 5) Final HP figures?  The specs say 115hp at 5400 RPM stock, but have any of
> you guys who have done this swap put your car on a dyno?  At any rate the
> torque curves look very nice, and considering that my main application would
> be street, I'm lovin' the idea of lots of low-end grunt :-)
> 
> Thanks for the help!!!
> 
> -tim
> 
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