Carbed project

[ellik]

Question here. Not an f-body project, per se... but I am looking at either using eiter a 3.4 or a 3.8 engine. I know you can convert a 3.4 to carbs, but is there a simialar setup to run the 3.8 carbuerated? also, anyone know of a roots style blower that would incorporate into either one of those engines w/ carbs? Oh... and if anybody has seen them... I am seriously considering a Stalker v6 Lotus 7 kit car to begin building this summer.
thats why the roots style... I want HP, but look has to be right too...

http://www.angelfire.com/biz6/stalkerv6/

[wantmorepower]

I can't give you specifics but carbing the 3.8 is possible. If you can not find and intake to fit and you are determined.. custom intakes can be made. I would think that after you get the right intake carbing the 3.8 would be rather simple.

[viper98885]

On the 3.4L V6, Edelbrock makes the intake manifold for the 60* V6 that would bolt right up to the 3.4L V6. You would need a distributor and all that good stuff, but it shouldn't be too hard to accomplish.

For the 3.8L V6, I would suggest looking into an aftermarket intake manifold from a 4.3L V6 and see how well they may adapt to the heads. I have never seen them for the 3.8L V6, but you could also do a custom sheet metal intake manifold.

[ellik]

am I wrong, or isnt the 4.3 a stroked 3.8, kinda like a 3.4 is a stroked 2.8?

Id rather not get into custum stuff. Ive seen some real pretty 3.4 and 2.8L carbed setups and thats what Im shooting for. just wondering if it can be done w/ a 3.8. probably not going to gain me much because the cam selection for the 3.8 FI is going to be all wrong running a carb, correct? and that was kinda my first idea... that there would be more 3.8 parts to work w/.

I want to produce about 250hp at the crank. That should get the little 1300lb car into the 13's. I know the carbed 3.4 w/ cam and heads can get near 200hp and run 14's. If I can find a supercharger to sit on top of the 3.4, then thats what I will go with. Anyone know of a nice polished or chrome roots style blower? one for a 2.8 would work on the 3.4?

[RedFrk13]

Originally posted by ellik:
am I wrong, or isnt the 4.3 a stroked 3.8, kinda like a 3.4 is a stroked 2.8?

3.8s and 4.3s are totally differnt engines. There were 80s 3.8 that were carberated, but they were Series 1 and have nothing compatable with series 2 engines. So you would have to make an intake manifold for it. The hard part would be getting a distributor onto the engine.

[Timbo1969]

Originally posted by ellik:
am I wrong, or isnt the 4.3 a stroked 3.8, kinda like a 3.4 is a stroked 2.8?

A 4.3 has the same bore and stroke as a 350 SBC engine. I was told the block is a SBC V8 block shortened to 6 cylinders. A 3.8 can't be stroked to a 4.3 mainly due to rod angularity, and clearance issues.

[ellik]

ok, ive heard its tough finding parts for the original series 1 3800's, but assuming I can find one, anyone know if they will bolt up to a T-5 tranny out of a newer f-body?
also, will say a 97 t-5 from a 3.8 bolt up to a 95 3.4?

one step further, though Im not sure that the 4.3 is what i want in a little roadster... im guessing there will be WAY too much torque down low and hte engine prolly getting a little big and heavy, but was the 4.3 ever carbed and is there an aftermarket for that?

are there any differences in the 3.4 engine that came in the f-body vs. the S-10? Any year in particular that I should shoot for? I know I can get a shorter geared rear end (3.73's or 4.11's) from an S-10 where they werent available in the f-body.

[Red94Camaro]

You would blow your engine putting a blower like that on. And why would you want a carb on the car? Maybe if you had a bigger engine for racing, but it would be a waste of time on a 3.8.

[ellik]

Originally posted by Red94Camaro:
You would blow your engine putting a blower like that on. And why would you want a carb on the car? Maybe if you had a bigger engine for racing, but it would be a waste of time on a 3.8.

ok, I dont need a 500+HP engine, I need a 250 HP engine, I am only building a 1500lb lotus kit car, not converting my bird. I dont want to mess around wiring up a FI system. I want a simple clean looking chrome and shiny pretty engine bay. I dont need a lot of extra mass from a "bigger engine for racing." the kit is based on a 2.8 engine/ T-5 tranny out of an S-10. Im looking at other options with minimal changes to the kit. If I find a supercharger, I will build the engine to take it... or blow the engine and then rebuild it to take it. Either way, I dont care. And its not like Im not going to try pushing 20psi or anything rediculous like that anyway. From what I understand, the roots blowers dont produce as much boost as the centripedal type anyway, do they? I could be wrong.

[RedFrk13]

I think the carburated 3.8 of the 80s were RWD so the bellhousing bolt pattern is the same as V8s. So u would need an 4.3 S10 T-5 which also shares the V8 bellhousing pattern. The FWD 3.8s have a 60 degree bolt pattern but were always fuel injected.

I would use an F-body 3.4 with your 2.8 S10 T-5 and convert it to a carb. Actually, I would want fuel injection, but if I wanted a carb, thats what I would do. [img]smile.gif[/img]

S-Series.org 60 degree section

[ellik]

ok, found a 2.8L Fageol Supercharger. 2.8 and 3.4 heads and intake are interchangeable, arent they? so this would work on the 3.4?

[Juanwithacamaro3.4]

Ok 1st of WHY would you even waste your time on a v6, and yes the 3.4 and 3.8 t-5 are simuilar but 3.8 uses an internal slave while the 3.4 uses external slave also campatible with the LT1. The reason why im not into the v6 thing is that i built a fully forged 3.4 with ross racing pistons and custom rotating assembly using small journal SBC rods which are the same length as the 3.4, I also had the complete supersix power package with extra porting and a custom camshaft for turbo use. All this in my 89 mazda RX7 using a kit from Grannysspeedshop.com I also used 93 technology to make my computer a reprogrammable chip, The damn car only ran 14.1 @98MPH. I just finished putting a 330 horse 350 crate motor and a 2004r tranny and a 3000 stall , the car ran 11.28@113mph with a 2.1 60 foot <no traction> what im saying is if you wanna build a kit car that doesnt even need to be dragraced, youll twist it into nothingness. go with a sbc and destroy the car the right way [img]graemlins/rock.gif[/img]

[ellik]

Originally posted by Juanwithacamaro3.4:
Ok 1st of WHY would you even waste your time on a v6, and yes the 3.4 and 3.8 t-5 are simuilar but 3.8 uses an internal slave while the 3.4 uses external slave also campatible with the LT1. The reason why im not into the v6 thing is that i built a fully forged 3.4 with ross racing pistons and custom rotating assembly using small journal SBC rods which are the same length as the 3.4, I also had the complete supersix power package with extra porting and a custom camshaft for turbo use. All this in my 89 mazda RX7 using a kit from Grannysspeedshop.com I also used 93 technology to make my computer a reprogrammable chip, The damn car only ran 14.1 @98MPH. I just finished putting a 330 horse 350 crate motor and a 2004r tranny and a 3000 stall , the car ran 11.28@113mph with a 2.1 60 foot <no traction> what im saying is if you wanna build a kit car that doesnt even need to be dragraced, youll twist it into nothingness. go with a sbc and destroy the car the right way [img]graemlins/rock.gif[/img]

huh? im not looking for a drag car. im looking for realistic options on a kit that has already proven itself. i just want something a little different than the standard options that others take with it.

[CAMAROWIDBASS]

Originally posted by Juanwithacamaro3.4:
Ok 1st of WHY would you even waste your time on a v6

well someone is going ot get flammed

[Leviathan1994]

yeah, this is firebird/camarov6.com ... [img]graemlins/twak.gif[/img]

hes looking for a good engine for that particular car. A V6 will suit it much better because it will maintain proper weight distribution for the Stalker's handling. You only need a V6 to power a 1500lb car, and if you need more power you can obtain it easily. 250 horsepower through a manual 1500lb car... you will do much better than 14 seconds.

as for the carb. idea, stick to the 3.4 it'll save you a lot of headache.