kirks5oh Posted August 24, 2018 Report Share Posted August 24, 2018 Very cool, love it!! Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 24, 2018 Author Report Share Posted August 24, 2018 3800s are iron block and heads, LS4 is all aluminum. An LS4 shouldn't be a hard swap in a Fiero, that's what I'd want to do. LS4 is a V6 bellhousing bolt pattern, has a very tight fitting accessory drive, and kind of went in place of supercharged 3800s. There's a TON of shit that needs to have happen to drop an LS block into a Fiero. And it costs at least 5k+ to do the swap alone. Then if you want the 4t65 trans (that's glass already) in an LS motor be prepared to drop some $ for trans upgrades. It's not as easy as one would think. But yeah, anything can be done with enough fabrication/money. Quote Link to comment Share on other sites More sharing options...
Bam Posted August 24, 2018 Report Share Posted August 24, 2018 There's a TON of shit that needs to have happen to drop an LS block into a Fiero. And it costs at least 5k+ to do the swap alone. Then if you want the 4t65 trans (that's glass already) in an LS motor be prepared to drop some $ for trans upgrades. It's not as easy as one would think. Sounds easy...with enough money. :gabe: Looks like a fun car, nice job. Quote Link to comment Share on other sites More sharing options...
Geeto67 Posted August 24, 2018 Report Share Posted August 24, 2018 3800s are iron block and heads, LS4 is all aluminum. An LS4 shouldn't be a hard swap in a Fiero, that's what I'd want to do. LS4 is a V6 bellhousing bolt pattern, has a very tight fitting accessory drive, and kind of went in place of supercharged 3800s. From the link buck shared in chat, it seems most people doing an ls4 swap use the GM MR6/F40 6 speed manual which was used in the Pontiac G6 GT, Chevy cruise 1.8, Buick Regal, Buick Verano, and the Saab 9-3 and 9-5. Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 24, 2018 Author Report Share Posted August 24, 2018 From the link buck shared in chat, it seems most people doing an ls4 swap use the GM MR6/F40 6 speed manual which was used in the Pontiac G6 GT, Chevy cruise 1.8, Buick Regal, Buick Verano, and the Saab 9-3 and 9-5. That was just the one example. the LS4 in the FWD Monte/GXP uses the same 4T65HD trans as any other wbody uses. Yeah you can use a F40 and or an F23 but I guess there are adapter plates that you'll need in order to mate up the trans and the motor. The guy is still making V8 adapters though. It's blocked here at work but here's the link - http://www.v8archie.us/ Quote Link to comment Share on other sites More sharing options...
Geeto67 Posted August 24, 2018 Report Share Posted August 24, 2018 That was just the one example. the LS4 in the FWD Monte/GXP uses the same 4T65HD trans as any other wbody uses. yeah but....autoLOL. If you are going to go through the immense hassle it is to put an LS in a fiero, might as well walk the extra few steps and put a 3rd pedal and row your own box in there as well, right? Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 24, 2018 Author Report Share Posted August 24, 2018 It's only $4900 for the swap kit for an LS motor... http://www.v8archie.us/lsx-kit--2.html Quote Link to comment Share on other sites More sharing options...
Cordell Posted August 24, 2018 Report Share Posted August 24, 2018 There's a TON of shit that needs to have happen to drop an LS block into a Fiero. And it costs at least 5k+ to do the swap alone. Then if you want the 4t65 trans (that's glass already) in an LS motor be prepared to drop some $ for trans upgrades. It's not as easy as one would think. But yeah, anything can be done with enough fabrication/money. I don’t expect it to cost $100, not $1k either. Quality swaps are not cheap to begin with. I bet it’s easier with an LS4 then an LS1, and I’ve seen a few parts from V8Archie, it’d be nicer making your own shit with a hammer, a sawzall, and an angle grinder. His kit that Chad bought to put the F40 trans in his Fiero was a joke. Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 25, 2018 Author Report Share Posted August 25, 2018 I don’t expect it to cost $100, not $1k either. Quality swaps are not cheap to begin with. I bet it’s easier with an LS4 then an LS1, and I’ve seen a few parts from V8Archie, it’d be nicer making your own shit with a hammer, a sawzall, and an angle grinder. His kit that Chad bought to put the F40 trans in his Fiero was a joke. Agreed on every point. You know I'm not an LSx guy so I honestly don't know the difference between the motors. If I did have the money and knowledge I'd probably do an LS4 but me being into these chewbacca sounding 3800's it's what I'm comfortable with. Quote Link to comment Share on other sites More sharing options...
Geeto67 Posted August 27, 2018 Report Share Posted August 27, 2018 I don’t expect it to cost $100, not $1k either. Quality swaps are not cheap to begin with. I bet it’s easier with an LS4 then an LS1.... Agreed on every point. You know I'm not an LSx guy so I honestly don't know the difference between the motors. LS4 is a transverse FWD version of the LS v8 engine family. Because of this they have a special compact accessory drive that makes packaging them in tight engine bays easier. and I’ve seen a few parts from V8Archie, it’d be nicer making your own shit with a hammer, a sawzall, and an angle grinder. His kit that Chad bought to put the F40 trans in his Fiero was a joke. Not everybody can fabricate parts. Not disagreeing with you on quality, but for some people even a marginal part that works is better than making your own. If you want to have a v8 fiero and don't weld and don't have access to some basic fab tools then it's the only option. If I did have the money and knowledge I'd probably do an LS4 but me being into these chewbacca sounding 3800's it's what I'm comfortable with. based on what I have seen with your car and things you posted in here, I kinda feel the 3800 supercharged is the best engine swap for these cars. It's not too tight in the engine bay, it makes a decent amount of power, it's junkyard cheap and plentiful, and there are some hop up parts. The thing about overpowering a fiero is eventually you are going to run up against the limitations of the chassis. With your 3800 swap right now you have about a 40/60 front/rear weight distribution, having a little rear weight bias is good, but too much plus too much power and you start to head into snap oversteer territory. Quote Link to comment Share on other sites More sharing options...
99StockGT Posted August 27, 2018 Report Share Posted August 27, 2018 Afraid to break something. I mean... why not? Haven't seen you at the shop in a couple weeks Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 27, 2018 Author Report Share Posted August 27, 2018 I mean... why not? Haven't seen you at the shop in a couple weeks Well I haven't jacked up the alignment (yet) . Quote Link to comment Share on other sites More sharing options...
Geeto67 Posted August 27, 2018 Report Share Posted August 27, 2018 Well I haven't jacked up the alignment (yet) . I still want that ride. Two fat guys in a fiero should kill two birds with one stone. Quote Link to comment Share on other sites More sharing options...
cdk 4219 Posted August 27, 2018 Report Share Posted August 27, 2018 There isn’t any starter mount on an ls4 it’s on the transmission that’s by an ls4 is pretty cheap Quote Link to comment Share on other sites More sharing options...
99StockGT Posted August 27, 2018 Report Share Posted August 27, 2018 All kidding aside, you HAVE built one pretty cool unique ride that can haul some serious ass. Low 11s is still very respectable, even in the era of factory built supercars/dragsters we are in now. Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 27, 2018 Author Report Share Posted August 27, 2018 All kidding aside, you HAVE built one pretty cool unique ride that can haul some serious ass. Low 11s is still very respectable, even in the era of factory built supercars/dragsters we are in now. Thanks. Not sure if I'll go low 11's though. That's turbo territory that I don't want to get into yet lol. High 11's is scary enough in this shit box . Quote Link to comment Share on other sites More sharing options...
gillbot Posted August 29, 2018 Report Share Posted August 29, 2018 Bucky is my hero..... Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 29, 2018 Author Report Share Posted August 29, 2018 Bucky is my hero..... ... said no one ever. Quote Link to comment Share on other sites More sharing options...
Ackbar00 Posted August 29, 2018 Report Share Posted August 29, 2018 Seems like a bad ass project. I dig it. Quote Link to comment Share on other sites More sharing options...
gillbot Posted August 30, 2018 Report Share Posted August 30, 2018 ... said no one ever. :no: Pretty sure I just did....... Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 30, 2018 Author Report Share Posted August 30, 2018 :no: Pretty sure I just did....... .... ok fine be that way. Quote Link to comment Share on other sites More sharing options...
Red Beard Posted August 30, 2018 Report Share Posted August 30, 2018 So when you wanna line them up? lol Quote Link to comment Share on other sites More sharing options...
99StockGT Posted August 30, 2018 Report Share Posted August 30, 2018 So when you wanna line them up? lol I'll just go on record now, getting your ass handed to you by a BBQ Grill painted Fiero is NOT going to be a good feeling That little shit box is SCARY but quick! Quote Link to comment Share on other sites More sharing options...
Buck531 Posted August 31, 2018 Author Report Share Posted August 31, 2018 So when you wanna line them up? lol http://s.quickmeme.com/img/fd/fda9e4062587a92691b63424d19342cd647145a8bf1fd946c3c2b480affb13b6.jpg I'll just go on record now, getting your ass handed to you by a BBQ Grill painted Fiero is NOT going to be a good feeling That little shit box is SCARY but quick! I guess the next thing I need to do is cut a hole in the hood above the radiator and put some vent there. I guess that helps with the highway speeds and the headlights popping up. Quote Link to comment Share on other sites More sharing options...
Buck531 Posted September 29, 2018 Author Report Share Posted September 29, 2018 Almost there.. ugh. Quote Link to comment Share on other sites More sharing options...
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