First outing with junkyard 5.7 = Win!!

Did a little racing at MoKan yesterday with our 225k mile junkyard hemi resulting in shattering previous class ET and MPH records along with getting the win. It went 6.83 @98.3 mph in the 1/8 with a VERY basic engine combo in our 3150lb Ex cab Dakota. The lil hemi is nothing more than a stock 04 shortblock, wearing a pair of lightly touched up eagle heads, comp 273 cam, PAC springs, Ritter intake w/ 4150 carb on 93 pump gas. This thing is a monster for what it is and put our previous 360 magnum power plant to shame. I must add that the 360 was pretty stout having almost 11/1 compression, ported 2.02 valve magnum heads, 250@.050 SFT cam and Indy intake with the same carb. The 360 could only muster 7.18 @ 95mph. For those those that are on the fence about going gen III hemi, this should help sway some to take the leap. Sure glad we did!

This is pretty cool...I've considered a similar engine to put in a 2700 LB race weight car.

What rpm do you shift at?

They do run very well, the more people run these the better

Very nice!!! Love it

What are you using for an ignition system? Crank trigger to fire the coils?

MSD hemi 6 ignition with 06-08 factory coils. Shifting engine at 6900 rpms.

Nice results. I have some Eagle heads sitting on the shelf with Pac springs . I was saving them but I might put them on my stock short block.
What thickness head gasket did you use?

Any decent guess at your compression?

What kind of timing are you running?

Totally stock valve-train?

Still pulling to 6900?

Thanks for sharing!

Stock rockers and shafts. It does have Comp hardened 5/16 pushrods. I would have used the stock ones but didn't have any from the Eagle head donor engine. Compression is in the neighborhood of 12/1. Stock head gaskets. This thing revs very quickly. It's like a 2 cycle. You have to be very careful in the burnout not to turn it over 7000. Yeah it's still pulling like a fright train at 6900. We did stick a used 6.1 oil pump in it for a pressure increase. I think it will live for quite a while under 7k. I have not messed with the timing at all yet. Timing is as delivered from MSD. Doesn't show any signs of detonating at 24* total. I'm gonna put my Sullens E-85 carb on it and see what it does. I think there is a tenth or maybe 2 on the table by just making the switch to E.

Nice
What year dakota?

94 ex cab SB

That's awesome. Always wondered what a combo like this would run!

Thanks Dustin! I've been following your build as well. I'm wanting to replace the 440 in my Duster with something similar to your setup. I want something that is low maintenance and hauls the mail naturally aspirated. Your car is very impressive!

What pistons to get over 10 comp

The stock Pre 09 pistons yield monster compression with the Eagle heads


Did you open up the top ring Gap at all?

Didn't touch the rings

Refresh my memory, what years for Eagle heads? I guess I'll be looking for a set.

09 and newer 5.7 heads

How much cam lift at the valves and what kind of clearance to piston.

This is a shelf cam?

Comp 112-502-11 cam. Known as 273 xfi cam. .550/.547 lift. Clearance is tight. Not much room for anything bigger without intake valve notches on the pistons. Tried a 229/235 Drag pack cam but would not clear factory 08 and down pistons. Intake valves were contacting pistons.

Thanks again for answering all the questions and sharing the info, very much appreciated...

I want one of these motors. I'm wondering how this would run with the Edelbrock 6.1 clone intake. However, I like the simple and very effective approach of your induction and timing system - good stuff!

I had asked earlier in the year, who had a streetable high 10/low 11 second G3 combo and you nailed it!

I'm leaning over the G3 fence after buying a pair of Eagle heads, just to see for myself. I was impressed by the flow numbers per dollar.

What trans/converter/gears/tires combo are you running?

727/ Ultimate 8" converter/ explorer 8.8 w/ 4.30s 28x9 Hoosier slick. 3150 race weight.

Good stuff! THANK YOU for sharing this.

JY 5.7 shortblock
OE heads, no porting
Mild cam (220's @ .050)

Runs (equal to) 10.70's. Absolutely AWESOME ! ! !

Pretty much. Don't forget the Ritter intake. 😎 It's almost disappointing that the engine idles so smooth and is so docile. It just doesn't sound like I think it should for as well as it performs.

LOL...okay a JY engine with a high dollar intake.

Yea, it's not going to have much pop at mid 220's @ .050. Sleeeeper...

Any video of your car in action?

I have vids on my phone and on FB. Not sure how to load on this page.

I believe that you can...

Open the FB vid, copy the link and paste it here.

[video:google]https://www.facebook.com/groups/742665079162714?view=permalink&id=1463023583793523[/video]

Whats your name on fb? Your link no worky

JasonTeague

Bring to the Mopar Race in Tulsa this Saturday!

Bad340fish, I'd love to bring it but truck won't pass tech there now. We were warned a month ago when it was there and a half sec slower. It only has a lap belt at the moment.😳 The motor is coming out to go in a caged RC Dakota for next year.

What was the 60ft? Did i miss it?

1.48 is its best 60ft so far. 1.52 is is the worst we have seen with the hemi. For comparison, the best the previous 360 mag ever produced was a 1.54...

Been watching a few of the engine builds on here , I knew the Gen3 was good but seeing track results Wow ! , it's giving me the itch to do something with the stock 6.1 in my Valiant , or sell it of and do a budget 5.7 like this one .

got a few questions if you dont mind . Did you replace the rod bolts , What's the converter flash to , Is your gearing optomised for the 1/8 , what you think it would do in the 1/4 .

We do have a really good 8" converter from Ultimate. We footbrake it and it flashes about 5k. As far as the gearing I don't know because we ran out of time to test. Previous 360 magnum engine liked a 4.30 gear. With it, we tried 4.10 & 4.56. Both were slower in 1/8 & 1/4. The engine has all of its original fasteners and bearings. I added a 6.1 oil pump for a little insurance. Checked a couple rod bearings and they looked perfect with 225k on them so I just bolted it back together and went with it. Haven't got to run 1/4 yet. I'm guessing 10.80s or better.

Hard to do 10's much cheaper than that, good job

What are you using for headers?

this build is outstanding! I reallt think the gen 3 hemi is the answer too mopar guys new age hot rodding!

Are you using the stock motor mount location and using the front accessory drive for the OEM water pump and alternator?

Thanks everyone for the positive comments. The headers are botched to say the least. They are actually cheapo pacesetter 1 3/4 headers for ram pickup with early port heads. So port alignment is not even close for the eagles. Reworked a couple tubes on each side to make them fit. A good set of headers would probably make a noticeable improvement. We don't run any accessories or alternator. Used a truck timing cover and rigged a moroso pump drive to the factory water pump. The mounts are a combination of Schumacher BB perches and street and performance engine mounts.

For the early Dak with a G3 hemi swap, might want to look at the A-body G3 Hemi headers.

I'd be surprised if A body headers will fit. The passenger side upper control arm
Is very close to the head. The frame also angles inward directly behind the engine with the rear lower control arm mount also taking up valuable space. It's just tight.

Just thinking out loud about the A body,

ric3xrt I appreciate your input. I looked at different headers for hours trying to find some that I thought I could make work. Even some LS and Ford headers. I was willing to cut off the flange and weld on a hemi flange but there didn't seem to be any that looked close. So after all of that, said heck with it and bought some cheapos and went to hacking.

I'm just wondering what the early 5.7 heads would do with the same cam-combo. Maybe a little port work on the heads too. Sounds so enticing with the parts starting to flow with the Gen lll hemi.

I wonder what the Compression ratio would be if ya ran the thicker gaskets. Wanting to do a 04 hemi and Eagles for the street..

when I mocked up an actual eagle head and early short block and standard head gasket it came out to around 11.5 compression. With the fast burn chambers, double quench pads, EFI, dual spark plugs, plastic intake... I would bet you would be totally fine on premium pump fuel. The only problem you might run into is if your tuner gets too agressive with the timing, these things really don't need much. Heck the apache is 10.9 and you know the factory is going to be very conservative on compression for emmisions reasons (NOX specifically). I think a low buget early 5.7 short block with a 6.1 cam and eagle heads/intake would be a buget motor to be reckoned with.

I keep hearing that guys are finding these JY gems for $900 to $1500 bucks. what JY and Where. around me they are like gold

I usually look on craigslist. I found a nice complete core for $300 that dropped a valve seat a couple months ago. The early models seem harder to find around here though. Here are some examples in my area.

https://york.craigslist.org/pts/d/05-hemi-engine/6468093926.html

https://washingtondc.craigslist.org/doc/pts/d/57-hemi-and-trans/6530601420.html

https://annapolis.craigslist.org/pts/d/2010-dodge-ram-2500-parts/6496707097.html

They seem to go fast when they are cheap. I have a couple extras, so I don't even look for more now because I don't need more junk

Last one I bought was a '12 with 34k but block was broke. Paid less than heads are worth. Plus got a perfect rotating assembly, lifters, rockers, etc.

09 and up are cheaper it seems than the earlier ones. Guess it's a supply/demand thing.

The cheap stuff is usually broken or blowed up. The engine we used in the build was a core. The customer had overheated it and popped the head gaskets. I didn’t want to put headgaskets on it and risk it dropping a valve seat. So we put a set of eagles and fresh gaskets on it and rolled on. Our latest engine is one we bought with a broken rod. Had a hole in the block the size of a quarter. Welded it up and then put a fresh rod and piston and put it back together. If you want something that is low miles and drop in ready, prepare to drop some cash...

looks like the ones I do find are with Blown Head gaskets. found a few but with High Miles most likely out of a truck. I will continue my search. I would guess even if I had to do a rebuild it is still a fair deal if I can off all my small block stuff.

Sometimes it's easier to buy Durango or 300/Charger Magnum ,Not sure about your area but here in SE PA. a wrecked or blown up Durango/300/Charger pops up once every two weeks,$750ish-3k
Also try GOVDEALS dot com, I've bought a bunch of car/trucks off of there over the last few years. , last week bought a 2010 police Charger, opening bid was $200 closing bid was $256.00 ,80k mile car hit in the rear
Month ago bought a 2014 Ram 3500 6.4 45k , it was a rollover truck opening was $500, closed at $500.

I see updated numbers in your sig:

365” gen III hemi on E-85 727 trans Dana 60
10.35@131

What are the updates? Talk to me, Goose! (If you don't mind)

Here are a couple (Not mine):

https://detroit.craigslist.org/okl/pts/d/2004-dodge-ram-57-hemi-engine/6607164665.html

https://detroit.craigslist.org/wyn/pts/d/hemi-57/6609283414.html