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Anyone ever BUILD UP a 5.7 but keep it "stock" .... #2671597
06/29/19 02:17 PM
06/29/19 02:17 PM
Joined: Jul 2008
Posts: 30,247
Florida STAYcation
dIc dOc Deity ! Offline OP
The village idiot's idiot
dIc dOc Deity !  Offline OP
The village idiot's idiot

Joined: Jul 2008
Posts: 30,247
Florida STAYcation
....using regular 87 fuel and the MDS ? .... what kind of power can be expected ?

Re: Anyone ever BUILD UP a 5.7 but keep it "stock" .... [Re: dIc dOc Deity !] #2671719
06/29/19 09:17 PM
06/29/19 09:17 PM
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Posts: 10,645
Houston, Tx
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AlexP Offline
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Houston, Tx
You’re limited by the lift on the cam. You cant do more than .525 lift.

I don’t know about 87, but I’ve seen a stock head and small 212/212 .525 cam put down a solid 325rwhp. Timing makes solid power per degree with the good chamber on these, and you’d be leaving power on the table by not using 93.


My Build thread: Let the hemi swap begin!

1968 wanna be pro touring whatchamacallit with some fancy stuff and a new roof skin.
Re: Anyone ever BUILD UP a 5.7 but keep it "stock" .... [Re: AlexP] #2672040
06/30/19 06:37 PM
06/30/19 06:37 PM
Joined: Jul 2008
Posts: 30,247
Florida STAYcation
dIc dOc Deity ! Offline OP
The village idiot's idiot
dIc dOc Deity !  Offline OP
The village idiot's idiot

Joined: Jul 2008
Posts: 30,247
Florida STAYcation
Thx AP .... jsta trying to put together thoughts on a rat rod project a bud has ... but he wants to stick to pump regular and keep the MDS. But some of these motors and transmission cores are not cheap at all. Then there is the rebuild costs.

He’s more thinking in the line of a 360 ... unless you can advise diff.

As Sgt Schultz said .... I know nothing ... about the 3rd gen hemis whistling

Re: Anyone ever BUILD UP a 5.7 but keep it "stock" .... [Re: dIc dOc Deity !] #2672108
06/30/19 08:55 PM
06/30/19 08:55 PM
Joined: Sep 2011
Posts: 2,042
colorado
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savoy64 Offline
top fuel
savoy64  Offline
top fuel
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Posts: 2,042
colorado
i think there are rebuilts out there for about $2500--check craigs--they want a core usually---and just run a 518 tranny---with either a new flexplate or torque converter--cant remember which sticks them together----my son built mine with a purple cam and i thought it pulled about 400 hp.on a stock computer...but i am old and easily impressed--this 300c has more power than any 440 i have run and the 300c weighs almost 1000 # more than the e body.....

Re: Anyone ever BUILD UP a 5.7 but keep it "stock" .... [Re: savoy64] #2672115
06/30/19 09:02 PM
06/30/19 09:02 PM
Joined: Sep 2011
Posts: 2,042
colorado
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savoy64 Offline
top fuel
savoy64  Offline
top fuel
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Joined: Sep 2011
Posts: 2,042
colorado
went on craigs----reman advertised at 3200-----running truck motors around 2000-----i bought a whole 300c with a running motor for 1000---drove it--pulled to put in my 69 fury---there are 2 sellers on ebay that are buying dealer warranty motors that are over date for the warranty cars and they are a factory reman---my friend has bought 3 like that.....bob....also those ebay sellers have gm -ford-and diesel motors as well---they show an inventory list and all the prices...

Last edited by savoy64; 06/30/19 09:05 PM. Reason: speling
Re: Anyone ever BUILD UP a 5.7 but keep it "stock" .... [Re: savoy64] #2672582
07/01/19 03:03 PM
07/01/19 03:03 PM
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Posts: 12,406
Kalispell Mt.
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HotRodDave Offline
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Kalispell Mt.
used durangos usually go around $500 on copart


I am not causing global warming, I am just trying to hold off a impending Ice Age!



Re: Anyone ever BUILD UP a 5.7 but keep it "stock" .... [Re: savoy64] #2673468
07/03/19 04:30 AM
07/03/19 04:30 AM
Joined: Jun 2016
Posts: 170
Wisconsin
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Medlock51 Offline
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Posts: 170
Wisconsin
You guys need to start networking with the off road, truck pullers and backyard junkers.

I have four 5.7's in my shop....the newest one (2014) was $300... just bought one for $50.00 that runs good. One came from a body shop, another from a demo derby guy and two more from guys doing truck pulls.

They are everywhere and cheap.

Re: Anyone ever BUILD UP a 5.7 but keep it "stock" .... [Re: AlexP] #2673469
07/03/19 04:38 AM
07/03/19 04:38 AM
Joined: Jun 2016
Posts: 170
Wisconsin
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Medlock51 Offline
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Posts: 170
Wisconsin
Why the .525 lift limitation?

Re: Anyone ever BUILD UP a 5.7 but keep it "stock" .... [Re: Medlock51] #2674736
07/06/19 10:17 AM
07/06/19 10:17 AM
Joined: Jul 2019
Posts: 194
Springtown Pa
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Ray408G3Hemi Offline
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Joined: Jul 2019
Posts: 194
Springtown Pa
Originally Posted by Medlock51
Why the .525 lift limitation?


I'm wondering the same thing? did he mean .625? of was it in reference to "stock Valve springs?


1963 Thunderbolt 496FE 10.80 (still a work in progress)
1968 Mustang slow a$$ 428 FE
1971 Boss 351 Mustang 11.20@115mph
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2001 Lightning 8.99 @ 155MPH 5.4 Mod Motor
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