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Car Forum / Pontiac / Pontiac Fiero / March 2005Seville engine
OK I found a Seville, car is in a field. Engine is V8 (transverse, of course), trans is 4-speed auto. Owner was leaving & I didn't have time to check the year & other info. So now I have several questions. 1) This is a "bolt-in" for the fiero, isn't it? I know mounts have to be fabricated, & in fact I can cut, modify, & fab most anything. 2) Is this a 4.9? ? How can I tell? 3) What will I need to go with them, besides the ECM? 4) Can it be converted to a carb system if I need to (can the ignition be made to run without the computer controls)? 5) This assy. comes out the bottom like the Fiero, right? TIA, ~ Paul aka "Tha Driver" I'll be posting this several places so please forgive the redundancy...(I want all the info I can get before attempting this engine pull :-) > OK I found a Seville, car is in a field. > Engine is V8 (transverse, of course), trans is 4-speed auto. Owner was [quoted text clipped - 13 lines] > I'll be posting this several places so please forgive the redundancy...(I > want all the info I can get before attempting this engine pull :-) The main pros to this is that the engine bolt to the Fiero tranny without an adapter. You have to mix and match axle parts if you use the Caddy tranny (recommended), otherwise custom programming of the ECM is required. There are other mods, it's not the easiest swap, best place to look is the Fiero Forum where this has been discussed at length. You don't have to be a member to read and search the forums. JazzMan  Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** Thanks JazzMan, I've checked several sites concerning Caddy conversions & I'm to the point where I'm on info overload. LOL! (Lets see; was that a Seeville or Deeville that I can do this or that with? Was it a 4.5 or 4.9 on this year car?) Ya' know what i mean? ;^p The biggest problem is getting it out of the car. I would *love* to use the Caddy trans, so I guess I'll need to get the axles too. Heck might as well get the entire assy hub to hub... ~ Paul aka "Tha Driver" Easy on the Giggle Cream! > Thanks JazzMan, > I've checked several sites concerning Caddy conversions & I'm to the point [quoted text clipped - 8 lines] > > Easy on the Giggle Cream! ON the axles, I think you use inner pots off of another car, coupled with different axles, and the Fiero outers. You won't need the caddy hubs, they're not used at all. JazzMan Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** >ON the axles, I think you use inner pots off of another car, coupled with different axles, and the Fiero outers. You won't need the caddy hubs, they're not used at all. ********** Thanks, After I get the parts, I'll do more research on the axles. Do you know if the 4-speed Caddy trans will work without the ECU? ~ Paul aka "Tha Driver" Easy on the Giggle Cream! > >ON the axles, I think you use inner pots off of another > car, coupled with different axles, and the Fiero outers. [quoted text clipped - 3 lines] > After I get the parts, I'll do more research on the axles. > Do you know if the 4-speed Caddy trans will work without the ECU? If it's the 4t60E it won't. That's fine, though, because GM does a really good job with the shift control of that tranny. JazzMan Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** >> Do you know if the 4-speed Caddy trans will work without the ECU? >If it's the 4t60E it won't. That's fine, though, because GM does a really good job with the shift control of that tranny. ********* OK I have three main questions: 1) Where is the ECU on the caddy? 2) How much of the wiring do I need (from the caddy) if I use the engine/trans in stock form? 3) Can the 4T60E be made to shift (manualy) via a pushbutton or set of buttons? ;^p I really think that would be cool; electric manual shifting via the '88 horn paddles on the steering wheel! With a 4-speed! Yeah! You see I'm thinking of keeping it simple, by converting to carb & eliminating the ECU & all that wiring BS... ~ Paul aka "Tha Driver" Easy on the Giggle Cream! > >> Do you know if the 4-speed Caddy trans will work without the ECU? > [quoted text clipped - 11 lines] > You see I'm thinking of keeping it simple, by converting to carb & > eliminating the ECU & all that wiring BS... My knowledge on that swap is mostly theoretical since it's low on the list of swaps I'm interested. My list, in order of desire, is 3800SC, VW TDI, 4.3 Vortec. Regarding the paddle shift, someone's already been working on that but the problem is that the stock GM column only has one contactor running through the horn button system. To make it work with one contactor you'd need to design and build some sort of multiplexer/data system, otherwise you need a different column. Getting rid of the injection is an option, but you'll lose power, gas mileage, and reliability. On the caddy ECU, follow the wiring, it's either under the dash or in the engine compartment. If you keep the injection, you'll need all of the wiring from the ECU to the engine, and maybe some others. If you decide to do this swap the best resource is PFF. JazzMan Signature********************************************************** Please reply to jsavage"at"airmail.net. Curse those darned bulk e-mailers! ********************************************************** "Rats and roaches live by competition under the laws of supply and demand. It is the privilege of human beings to live under the laws of justice and mercy." - Wendell Berry ********************************************************** >Regarding the paddle shift, someone's already been working on that but the problem is that the stock GM column only has one contactor running through the horn button system. To make it work with one contactor you'd need to design and build some sort of multiplexer/data system, otherwise you need a different column. ********** I don't consider that a problem. I can make a twin contact setup that allows a different circuit for each paddle. The question is; will the trans shift that way? Anyone? >Getting rid of the injection is an option, but you'll lose power, gas mileage, and reliability. ******** I'm thinking a small 4bbl. will add power. I know I'll have to cut the original intake & weld on the mount/flange for the 4bbl, but that is not a problem either. Did that on my brat adding a Holley-Webber progressive 2 bbl. & it increased torque & power dramaticly! I'm sure gas mileage will be great with an overdrive running on two bbls of a progressive 4bbl. :-) Reliability is relative. A carb is as reliable as I'll ever want, & I can diagnose & repair any problem it will ever have. Not true with complicated ECU/injection systems. ~ Paul aka "Tha Driver" Giggle Cream - it makes dessert *funny*! |
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