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Old 08-01-2010, 07:11 PM   #1 (permalink)
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Any more engine swaps?

Has anyone tried any other engine swaps, all I've seen is the corvette swap which is a little disappointing coming from the fiero community where you've got more of a choice like the small block 350, 3800sc, northstar, and some others that other people have experimented with. I understand that an 07 sky is much more sophisticated than an 84-88 fiero but I just figured someone had tried it by now. My reason for asking is because I'd like to do an engine swap but the ls motor is very expensive not to mention extremely complicated to swap especially without a kit. Are there even any swap kits for our cars?
thanks
-Kaleb
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Old 08-01-2010, 07:26 PM   #2 (permalink)
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why ? just do a few mods & get a tune, save your knuckles and some ca$h
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Old 08-01-2010, 07:41 PM   #3 (permalink)
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you can modify fairly easily over 300HP

If you want to go crazy, you can go to 400HP with a bigger turbo.

If you are going to tear an engine out of a sky, it better be at least an LS1 going in. anything less doesn't make much sense to me
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Old 08-01-2010, 08:21 PM   #4 (permalink)
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The current factory engine is pretty good. Good enough that the majority of owners are happy to drive them through the 100k mileage warranty period. Some are tuning them which is fairly inexpensive and effective. Those who want a different engine tend to opt for the LS family, again because they are relatively inexpensive, proven technology. And work very well. There really is no driving need to stuff any other motor in there. But if you feel the need, take lots of pictures.
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Old 08-01-2010, 11:23 PM   #5 (permalink)
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Originally Posted by Kaleb View Post
Has anyone tried any other engine swaps, all I've seen is the corvette swap which is a little disappointing coming from the fiero community where you've got more of a choice like the small block 350, 3800sc, northstar, and some others that other people have experimented with. I understand that an 07 sky is much more sophisticated than an 84-88 fiero but I just figured someone had tried it by now. My reason for asking is because I'd like to do an engine swap but the ls motor is very expensive not to mention extremely complicated to swap especially without a kit. Are there even any swap kits for our cars?
thanks
-Kaleb
Performance Autowerks in the Chicago, IL area should have a DIY kit for the LSx series engines. They are a supporting vendor on the Solstice forum:
Performance AutoWerks - Pontiac Solstice Forum

Here is a thread from the Solstice Forum with pictures of a Sky with an LS3 conversion - it may be by Werks:
Shawn's "DIY" LS3 Solstice is back home!!! - Pontiac Solstice Forum
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Old 08-04-2010, 11:14 AM   #6 (permalink)
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Performance Autowerks in the Chicago, IL area should have a DIY kit for the LSx series engines. They are a supporting vendor on the Solstice forum:
Performance AutoWerks - Pontiac Solstice Forum

Here is a thread from the Solstice Forum with pictures of a Sky with an LS3 conversion - it may be by Werks:
Shawn's "DIY" LS3 Solstice is back home!!! - Pontiac Solstice Forum
awesome this is what i was looking for
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Old 08-04-2010, 11:19 AM   #7 (permalink)
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you can modify fairly easily over 300HP

If you want to go crazy, you can go to 400HP with a bigger turbo.

If you are going to tear an engine out of a sky, it better be at least an LS1 going in. anything less doesn't make much sense to me
sadly, i drive a 2.4, 174 hp at the crank(i think) is sad..what easy mods could put me at 300? I've got a cai and exhaust but theres not a whole lot of power gain there and the low end power especially in the 2.4 is just boring
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Old 08-04-2010, 11:21 AM   #8 (permalink)
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why ? just do a few mods & get a tune, save your knuckles and some ca
are there any tunes for the 2.4 that are worth it..obviously with the 2.0 turbo a tune can produce some big numbers but with a n/a engine can you still get some good hp?
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Old 08-04-2010, 11:52 AM   #9 (permalink)
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are there any tunes for the 2.4 that are worth it..obviously with the 2.0 turbo a tune can produce some big numbers but with a n/a engine can you still get some good hp?
No. Not by tuning. Minor compared to the LNF engine improvements.

They have excellent results with supercharging though.
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Old 08-04-2010, 01:31 PM   #10 (permalink)
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2.4l....... beef up the internals and turbocharge that S.O.B! I think there are some turbo kits already available for n/a engines if I'm not mistaken
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Old 08-04-2010, 01:36 PM   #11 (permalink)
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are there any tunes for the 2.4 that are worth it..obviously with the 2.0 turbo a tune can produce some big numbers but with a n/a engine can you still get some good hp?
seems there are two options for us 2.4 guys

the ddm supercharger
DDMWorks Sky Products

or an engine swap
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Old 08-04-2010, 01:43 PM   #12 (permalink)
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Of course the disadvantage of supercharging is that it costs a lot and it doesn't give the power of the tuned LNF engine....but it is a lot easier amd cheaper, even with the $5K price tag than trying to stick an LNF into an NA - a task that looks much easier than it is.

There is more excuse for doing an engine swap on an NA than on a GXP/Skyline.

Mind you, for the $5K of the DDM stage 3 blower, I wonder if you couldn't stick in an LS1, for instance.

The step between a tuned LNF with perhaps a larger turbo and an LS series V-8 or any other swap (the 3.8 blown V6 is a nice Fiero option) is much smaller than it is between an NA and any larger engine. A lot of guys just decide to keep on tuning instead.
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Old 08-04-2010, 02:34 PM   #13 (permalink)
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Mind you, for the $5K of the DDM stage 3 blower, I wonder if you couldn't stick in an LS1, for instance.
I'd think the cost to install an LS1 would be much more than a blow installation.

I'd be interested to see some of the new 6 cylinders go into a kappa- but a lot of it comes down to the economis of the beast- if you can get the same(ish) power out of an LS1 or LS2 as you could out of a new 6, and the older 8s are cheaper...
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Old 08-04-2010, 02:38 PM   #14 (permalink)
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sadly, i drive a 2.4, 174 hp at the crank(i think) is sad..
More power than my '83 Mustang GT and that seemed pretty ballsy at the time. My 85 IROC had 215 BHP and that was all I ever needed- but then it did have 275 ft lbs and 4.11s. Low end is the key to fun, IMHO!
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Old 08-04-2010, 02:48 PM   #15 (permalink)
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These days, 174 BHP doesn't seem like much to motivate 3000 lbs. of lard, but back in the day, that sort of output was considered to be excellent, and normally only need to push 2000 lbs. around. Progress, they call it.

I haven't followed the V8 conversions, but the LS1 is readily available and if someone does a bolt in kit, I expect it might be done for less than $5k - might be wrong, though. Certainly the more current LS engines will cost more. The LS1 gives a nice bump in power, if not torque (usually around 350 BHP and 350 ftlbs) over the LNF in GMPP tune, and is night and day different from the NA engine.

Is anyone doing a conversion kit for the NA?
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