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wrkd4itOffline
Post subject: Chevy 4.3  PostPosted: Dec 11, 2006 - 01:19 PM
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I am using a 1987 4.3. I m not sure of the hp, but I think it is around 150. It was out of an astro van. The owner said it ran well, never had any problems. He wrecked the van, ( T-boned). I know that the 4.3 is a chevy sbc with two cyls. cut off. This was done to produce better mpg. Besides headers, a cam, and a better manifold with good carberator; is there any thing else to get up to at least 200hp? With an audi trans that will b plenty quick!
 
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wire2Offline
Post subject: RE: Chevy 4.3  PostPosted: Dec 12, 2006 - 03:24 AM
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Joined: Feb 15, 2005
Posts: 307
Location: Milton, ON, Canada
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You're looking for a 33% increase with only some add-ons? I'm not trying to be rude, but that's a tall order for a 19 year old motor. If you want 200 hp, why not get a 200 hp motor?
 
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wrkd4itOffline
Post subject:   PostPosted: Dec 12, 2006 - 03:03 PM
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You have a good point. And no, I dont find Opinions rude. They are in fact another way of seeing things. No such thing as " Too much info". This engine was at my mech shop and he gave it to me for $100 so i thought Id use it. I might scrub it and get a 3800 sc for $650. I just didnt want to deal with all the computer S@#%! I may keep this cause it runs good. .
 
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FAmonmouthOffline
Post subject:   PostPosted: Dec 12, 2006 - 10:24 PM
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if you go to fieroforum.com and do a search over there they will tell yo everything you want to know about both the 4.3and the sc3800
 
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bart_pr_2000Offline
Post subject: 4.3l  PostPosted: Dec 14, 2006 - 02:24 AM
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Joined: Aug 04, 2003
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i have a 4.3l installed in the fiero cradle. i have an edelbrock cam and
carb setup. installed dual exhaust with cats. i also have it rubber mounted
the engine fits well in the space available. the engiine is a remanufactured
unit. there is little work in tuning it up. i am using both a ac and alternator
with bracket purchased from alangroove. there is no standard setup for the way i did it. pulleys had to be lined up with milled spacers. the setup is from a long block v8 with milled spacers to line up the pulleys.
haven't had it on the street yet, but it sounds great. i used two vw rads
and fans for the cooling. fits in well.

russ544 on pennocksfieroforum is the specialist on this package.
 
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wrkd4itOffline
Post subject:   PostPosted: Dec 14, 2006 - 01:24 PM
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thanks for the helpful info. That forum is full of helpfull information. Now Im really confused on what to use. First I had an Ls1 with audi ; I sold that ( for a profit ). Now I looking for something that will be reliable and somewhat quick. I dont want to tear up my audi, they are going to be too hard to find. I would like to stay with the v6 because the torque will stay low. I am convinced that is what will eat up that audi. I WILL be putting that plate that JDINNER suggests in the audi. My friend rebuilds old camaros and has alot of engines to get rid of sb 350, 305, 327's. The only one I would use is the 305, but I'd like to do some research first. Thanks for the info.
Rob
 
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Lambo2005Offline
Post subject:   PostPosted: Dec 14, 2006 - 03:44 PM
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Rob if you decide to go with a V8 I would use the 350 only because the amount of parts available. Besides not much difference between that and a 305. You can keep a mild cam in it and around 250 hp that the Audi should handle fine and with a low hp that thing will run forever. If for some reason you ever decide to beef it up later the 350 will be a better choice too.
Besides the sound of a V8 I think you'll be happier with that over a V6. On the highway you'll be happier too.

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Building a D&R 6.0
 
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wrkd4itOffline
Post subject:   PostPosted: Dec 15, 2006 - 10:05 PM
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tHANKS, Ive searched around and I have found many 3800sc, but they want $1000+ for them. I have also found 15 LT 1's for $600-$800 dollars with headers on them. My question is this: is it harder to fit? and is their just as much computer work? The both have almost the same HP. LT1 260hp / 3800sc 240hp.
Rob
 
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ducattimanOffline
Post subject:   PostPosted: Dec 15, 2006 - 10:54 PM
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Posts: 53
Location: TheNetherlands
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With all do respect here..Some things said here r just not right.

First off if ur doing a engine swap then u pretty much know what the heck ur doing.

There is nothing wrong with the 3/4 small block,it can hold up to any engine with the right parts and tuning..and no u dont have to spend 10's of thousands of dollars to do so,


Do ur research better and u will find the pot of gold.

Some of you's r forgetting this engine share alot of off the shelve parts with the 350sbc
http://www.hotrod.com/techarticles/engine/113_0208_chevy_43l_262ci_v6_engine_build/dyno_chart.html

look at that link not bad 300hp for a rebuilt cost..

and if that doesn't bake ur noodle what about this..

http://www.hotrod.com/techarticles/engine/113_0210_43l_chevy_v6_vortechs_supercharger_install/

There is also a gr8 Syclone and GMC Typhoon forum,all about the V6 (cant remember it off hand because i am on the wife's pc) with tons of info

Get ALL THE FACTS AND THEN MAKE UR MIND UP


Last edited by ducattiman on Dec 15, 2006 - 10:57 PM; edited 1 time in total
 
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ducattimanOffline
Post subject:   PostPosted: Dec 15, 2006 - 10:56 PM
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opps
 
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wrkd4itOffline
Post subject:   PostPosted: Dec 18, 2006 - 01:04 PM
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Thanks Ducattiman, I agree, Information is the the key. Ive looked at the website. But your talking about alot of $$$$$ to bring the HP on a 4.3. In the begining I thought the bolt ons were inexpensive, not true. After said and done its all about the cost and being satisfied with your decision. I will keep looking for the right combo. The only decision im sticking to is keeping my audi. thanks a again for the website, its very useful.
 
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wrkd4itOffline
Post subject:   PostPosted: Mar 22, 2007 - 04:28 AM
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200HP? no problem! Found a 1992 4.3L with 200+hp. Boat motor, has roller lifters with lifter guard. Engine was designed to run within a higher rpm and low vibration. Engine in good shape. Cant tell if its vortec or not,not sure. Engine needs manifold and carb and of course headers. $200 bucks. I know the guy, he knows his boats. He just cant use it. What do you all think?
 
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Lambo2005Offline
Post subject:   PostPosted: Mar 22, 2007 - 04:32 PM
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I think if you'll be happy with an engine under 250hp without spending a lot of money the 4.3 could be a good choice.
The thing is those engines where typically built for light trucks and vans and probably have some serious torque in the low end so that could make it fun.
Sometimes on these builds you cant always build with what you would like. You have to settle for what you can afford and if that engine is in your price range give it a shot.. Its not like you cant ever pull it out and change it later...

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Building a D&R 6.0
 
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wrkd4itOffline
Post subject:   PostPosted: Mar 23, 2007 - 02:59 AM
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I appreciate the words of confidence. This site is a real booster in the confidence dept. Money is never an issue , its the hunt for parts. Anybody can get a credit card and run up the bill. I like the hunt. Keeping the wife happy also helps. Ive driven the 4.3 and the take off is nice, top speed isnt bad either. Thanks.
 
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randythomasOffline
Post subject:   PostPosted: Nov 28, 2011 - 01:09 PM
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Joined: May 11, 2011
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Super charging the engine would do likely to improve the horsepower of the vehicle! But you need a ton of parts to make it possible.

------------------
Chevrolet Parts
 
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