1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

putting a carb in place of the RE-EGI setup

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Old 11-13-02, 08:33 PM
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putting a carb in place of the RE-EGI setup

Has anybody actually done a dyno or 1/4 run before and after this swap. I'm pretty sure I've reached the limits of the RE-EGI system and am wondering what sorta path I'm opening up by swapping to some sort of carb setup. Everything's done on the exit side, so I guess this is just the other side right. What sorta range are we looking at without more porting, and then, with porting, how far will it run before becoming fairly non-streetable?
Old 11-13-02, 08:35 PM
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According to Racing Beat,

a healthy SE engine with a Dellorto carb and a complete exhaust, will make a nice torquey 180 flywheel hp or so.
Old 11-13-02, 08:54 PM
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I'm making that or a bit more already ... ...
Old 11-13-02, 11:50 PM
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well put a carb and a turbo. i dont think that with only carb you gonna make more that 190hp unless you do a street port.
Old 11-14-02, 01:16 AM
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Or you could get mega squirt to go along with your FI. Im still thinking about doing it.
Old 11-14-02, 07:53 AM
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Turbo your motor. If you can't find a Cartech setup, build your own.
Old 11-14-02, 08:24 AM
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There's no point of going to a carb, that would be backdating the setup... Turbo on the EFI motor is one thing, but I'd be scared to put too much boost on high compression rotors... Personally I'll build a turbo 13B engine this winter, using a N/A FC block to start with, but I will use TII rotors, so higher boost can be applied.
If you build a turbo setup and want to use the car regulary, I'd use a rather small turbo. Maybe supercharging with a blower kit is another option?
What about a piggybacked extra fuel injection system?
Old 11-14-02, 09:28 AM
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High compression, 13B Turbo
Old 11-14-02, 09:58 AM
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That one was intresting, thanks Directfreak! I'm still searching for info on the topic, as I want to do it right...
Old 11-14-02, 11:48 AM
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it'd make more sense to do an engine swap rather than boost the stock gsl-se 13b

[edit]
http://www.wankel.net/DavidLane/

unless of course you suddenly realise you could throw on piggy back systems to do fuel management

Last edited by Zulu; 11-14-02 at 11:53 AM.
Old 11-14-02, 02:51 PM
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Originally posted by Zulu
it'd make more sense to do an engine swap rather than boost the stock gsl-se 13b
depend how you see it. im boosting my 96,000 miles, 18 years old gslse 13b. and i havent had any trouble. and is more cheaper, in my case. i havent spend no even $800 on parts and some labor. the only expensive part that i need in the haltech. but yeah in some cases is more cheaper swaping engine that boosting the stock n/a engine, if you have all the parts. that my .02 cents
Old 11-14-02, 04:10 PM
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i say turbo
i found a guy making custom turbo manifolds for gsl-se's for only $100 and bolts onto a TII turbo. So all you need is a muffler shop to make a custom downpipe and piping to a cheap small intercooler, up the fuel pressure and youve got a turbo for about $500
of course its only like 6 pounds of boost but it will make some good power.
Old 11-14-02, 07:12 PM
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Originally posted by HadaGSL-SE
i say turbo
i found a guy making custom turbo manifolds for gsl-se's for only $100 and bolts onto a TII turbo. So all you need is a muffler shop to make a custom downpipe and piping to a cheap small intercooler, up the fuel pressure and youve got a turbo for about $500
of course its only like 6 pounds of boost but it will make some good power.
I'd rather have a secondary injector setup to be on the safe side with a piggy back computer system... something to control ignition retard... idunno... and I'd definately go for a new fuelpump....

HOWEVER, what's the info on this GSL-SE turbo manifold! $100! I'm interested! Log style or tubular/runner/header style?
Old 11-14-02, 07:17 PM
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Originally posted by eddierotary


depend how you see it. im boosting my 96,000 miles, 18 years old gslse 13b. and i havent had any trouble. and is more cheaper, in my case. i havent spend no even $800 on parts and some labor. the only expensive part that i need in the haltech. but yeah in some cases is more cheaper swaping engine that boosting the stock n/a engine, if you have all the parts. that my .02 cents

got a site ? You're running stock internals still? Howmuch boost? The rest is pretty much covered in your sig
Old 11-14-02, 07:47 PM
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Originally posted by Zulu
HOWEVER, what's the info on this GSL-SE turbo manifold! $100! I'm interested! Log style or tubular/runner/header style?
You could just use a stock 13BT manifold with an RB spacer plate or two.
Old 11-14-02, 08:47 PM
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Originally posted by Directfreak


You could just use a stock 13BT manifold with an RB spacer plate or two.
Probably a good idea.
Old 11-14-02, 11:06 PM
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its tubular and i offered to give out the guys info on this site but he doesnt want a big operation right now. on his personal car hes running 17 pounds of boost and he works at a place that mods porshe audi VW motors as well as makes supercharger kits for BMW's and he seemed really knowledgeable on the phone
Old 11-15-02, 02:03 AM
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Originally posted by HadaGSL-SE
its tubular and i offered to give out the guys info on this site but he doesnt want a big operation right now. on his personal car hes running 17 pounds of boost and he works at a place that mods porshe audi VW motors as well as makes supercharger kits for BMW's and he seemed really knowledgeable on the phone

Well, dig up some info on his setup, I'd definately be interested if he was up to the task of making another.
Old 11-15-02, 10:22 AM
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Originally posted by Zulu

got a site ? You're running stock internals still? Howmuch boost? The rest is pretty much covered in your sig
planning to do a website. im gonna run stock internals and got almost every thing and almost done i still dont have the haltech and the bosch fuel pump, ill will soon gonna post my progress soon, i have to talk with my friend, he have digicam. about boost im planning to run 8 to start and probably 10-12 psi later. thanks

Last edited by eddierotary; 11-15-02 at 10:27 AM.
Old 11-15-02, 10:26 AM
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Originally posted by Directfreak

You could just use a stock 13BT manifold with an RB spacer plate or two.
or modified like david randal did, i have his manifold, im gonna post it soon.
Old 11-15-02, 11:00 AM
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Originally posted by eddierotary
or modified like david randal did, i have his manifold, im gonna post it soon.
David Randall's site is
HERE

This is the modified intake you are referring to


Old 11-15-02, 11:12 AM
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yes thanks
Old 11-15-02, 10:13 PM
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