V 8 neon.........

Working on a DOHC or 2.4L swap, or maybe you have some other idea and have some questions? Feel free to ask them here...
08kgraves
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Post by 08kgraves » Sun Aug 07, 2011 3:37 am

well the coupe had a manual in it. which i might add is now trashed. its my sedan that had the auto. but im leaning more towards thinking the coupe is going to get a new wire harness along with a engine build, and another manual. instead of a v8. quick question though. if i do go that route should i not put the dohc pistons in it since the boost will be raising the compression? i dont know how much i want to run as of now though.

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BaLLisTiK
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Post by BaLLisTiK » Sun Aug 07, 2011 4:04 am

SOHC auto is faster than the DOHC auto.
True story.
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Post by 2drSRT4 » Sun Aug 07, 2011 4:00 pm

08kgraves wrote:well the coupe had a manual in it. which i might add is now trashed. its my sedan that had the auto. but im leaning more towards thinking the coupe is going to get a new wire harness along with a engine build, and another manual. instead of a v8. quick question though. if i do go that route should i not put the dohc pistons in it since the boost will be raising the compression? i dont know how much i want to run as of now though.
If you want to boost it, get some 2gn R/T pistons/rods, and toss them in. Then use a small turbo and tune it extremely well. It'll be fun. Auto or manual.
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Post by 08kgraves » Sun Aug 07, 2011 4:42 pm

since the wire harness was pretty messed up already also thought about doing a full srt 4 swap one day dash and all. maybe even build it up some before i put it in. that should be really really fun lol. and im asuming i need the transmission from it to? cus as of right now i dont have one for it. i guess it dropped the diff pin from what i have now been told. and my sedan has a dohc hood on it because i traded hoods with a buddy when he blew his up. also got the trunk lid with the factory wing on it.

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Post by 08kgraves » Sun Aug 07, 2011 4:44 pm

oh and if i just get a n/a 2.4 what all do i have to do to make that a turbo engine? figured i would ask since a srt 4 engine will be alot harder to find around me

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Post by 2drSRT4 » Sun Aug 07, 2011 8:27 pm

All you need to do to make it a turbo engine is to put a turbo on it. To make it an SRT4 block, you need an 03+ block and all the SRT sensors and stuff..
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08kgraves
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Post by 08kgraves » Sun Aug 07, 2011 10:56 pm

ok well i realize that didnt sound like i ment it to..... is there anything other than just the turbo n manifold i need?

2drSRT4
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Post by 2drSRT4 » Mon Aug 08, 2011 1:15 am

SRT4 sensors. And an 03+ block
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metal_gear_jon
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Post by metal_gear_jon » Mon Aug 08, 2011 10:53 pm

The only real difference between the SRT blocks and the regular NA 2.4's is the piston/rods, oil pump, pan, pickup, water pump, and an oil port in the head. Plus if you go with a SRT block the crank trigger is different so you will need to either run a full srt harness and pcm, or wire in a Megasquirt.

The absolute cheapest route to go and the easiest is to take any pre-2001 N/A 2.4 block, swap in some takeout srt pistons and rods. use your existing harness (or get a junkyard on if it's really fubar'ed). This way you can have the car running right away. Then once it's running you can pop on the turbofold then wire in a FIC or use an RRFPR setup to add fuel for boost. Or even then wire in a MS box.

Here is the link to the 2.4 swap.
http://forum.1gn.org/viewtopic.php?t=1101

and a little more on parts between the N/a 2.4 and the SRT.
http://forum.1gn.org/viewtopic.php?t=5732

If you really want to do a real SRT swap, then find a SRT hit hard in the rear or side. Take the entire engine dropout and the harness, axles, knuckles and a bunch of little things I cannot remember right now and then set aside a few months to a year to do it.. It's not fun, just search the project logs on the big.org for people who done it before.


BTW Sohc's suck, between the small ports, noisy lash adjusters on the rocker arms, cylinder head chamber design that's prone to detonation, lack of real valve timing adjustability with only one cam, it's a poor choice to build up anymore. Simple mods to a Dohc will have bigger gains than the same one's done to a Sohc.
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08kgraves
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Post by 08kgraves » Tue Aug 09, 2011 7:56 pm

hmmm ok, what about using the turbo pt cruiser engine? i know it wouldnt be a full srt 4 swap but how well do they perform compared to a true srt 4?

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Post by 2drSRT4 » Wed Aug 10, 2011 1:34 am

It'll be the same as a true SRT4 engine. It's an 03+ that has all the sensors that the SRT has, and the internals are all the same..
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Post by 08kgraves » Wed Aug 10, 2011 5:22 am

ok, well let me ask this...... is there anythng special about these sensors in any way shape or form that would make me want them? or would i need an 03+ to use the whole dash and have it wired properly?

charger440neon2.0l
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Post by charger440neon2.0l » Wed Aug 10, 2011 10:13 pm

here check out my thread on my acr. i havent been on in a while and this is what i've been working on.
http://forum.1gn.org/viewtopic.php?t=5863

08kgraves
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Post by 08kgraves » Sat Aug 13, 2011 1:35 pm

yeah been on there. just started following it recently. what exactly is a true acr compared to a regular neon?

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Post by charger440neon2.0l » Sun Aug 14, 2011 5:05 pm

The competition package 23a on coupe or 25a on sedan (on 95 only 23J on coupe or 23K on sedan) You can find this number on the options tag if your car has one. They all had the 3.94 trans whether it was a dohc or sohc, 95 had an different ratio for 5 gear 97 and newer came with adjustable koni struts, 95 and 96 had Arvin struts. they also came with a faster ratio power steering rack and pinion, 16:1 instead of 18:1 ACRs had fog light bumpers and no fog lights and the rubbers bumpers down the side of the doors was unavailable.

My 97 had adjustable koni black struts, dohc with 3.94 trans, fog light holes in the front bumper with no fog lights, passenger rear view mirror delete, radio delete, it did have a rear defroster and a/c.

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