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r3 or gen3 #2791487
07/01/20 12:52 PM
07/01/20 12:52 PM
Joined: Jun 2020
Posts: 9
TOMS RIVER
6
69w2swinger Offline OP
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69w2swinger  Offline OP
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Joined: Jun 2020
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TOMS RIVER
I'm going to replace my w2 340....its been a long time since wrenching it..when it comes to gen3 I'm clueless...my powerwagon runs fine so I never had to work on it.. 5.7 gen3....I'm looking to put together a engine 900-1000hp for my 69 swinger......procharger.....what's needed to achieve close to that HP in a gen3.....I threw this around in other forums here also...

Re: r3 or gen3 [Re: 69w2swinger] #2791535
07/01/20 02:34 PM
07/01/20 02:34 PM
Joined: Sep 2003
Posts: 10,638
Houston, Tx
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AlexP Offline
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AlexP  Offline
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Houston, Tx
Forged 392 off of a 6.4 BGE block, boost specific rods and pistons, big valve thitek heads, healthy cam 25x/26x and 15 psi from the blower of your choice. Top if off with the best engine management you can afford.

Nothing crazy for these motors.


My Build thread: Let the hemi swap begin!

1968 wanna be pro touring whatchamacallit with some fancy stuff and a new roof skin.
Re: r3 or gen3 [Re: AlexP] #2791609
07/01/20 06:07 PM
07/01/20 06:07 PM
Joined: Feb 2011
Posts: 1,452
Glendora Ca.
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Just-a-dart Offline
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Glendora Ca.
I agree with Alex, except I'd use the BGE heads for your modest HP goal. I would use a good Aluminum intake, none of the low rise junk.

I'm a NA guy but there are lots of these combos out there



"Just a Bracket car dressed up like a streetcar"
Re: r3 or gen3 [Re: Just-a-dart] #2791854
07/02/20 10:17 AM
07/02/20 10:17 AM
Joined: Apr 2003
Posts: 3,037
Tulsa, Oklahoma
340Cuda Offline
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340Cuda  Offline
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Joined: Apr 2003
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Tulsa, Oklahoma
You probably can find a G III quicker and for less money than you will find and pay for an R3 or Ritter block.

Re: r3 or gen3 [Re: 340Cuda] #2792309
07/03/20 12:20 PM
07/03/20 12:20 PM
Joined: Jun 2020
Posts: 9
TOMS RIVER
6
69w2swinger Offline OP
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69w2swinger  Offline OP
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Joined: Jun 2020
Posts: 9
TOMS RIVER
heres what im thinking...2018+ truck 6.4....swap out rods,pistons,cam....use the heads change the springs..new intake and injectors...and procharge it...

Re: r3 or gen3 [Re: 69w2swinger] #2792414
07/03/20 07:14 PM
07/03/20 07:14 PM
Joined: Sep 2003
Posts: 10,638
Houston, Tx
A
AlexP Offline
I Live Here
AlexP  Offline
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Posts: 10,638
Houston, Tx
That would do it.


My Build thread: Let the hemi swap begin!

1968 wanna be pro touring whatchamacallit with some fancy stuff and a new roof skin.
Re: r3 or gen3 [Re: 69w2swinger] #2792562
07/04/20 09:46 AM
07/04/20 09:46 AM
Joined: Nov 2003
Posts: 1,577
NW Indiana
F
fbs63 Offline
pro stock
fbs63  Offline
pro stock
F

Joined: Nov 2003
Posts: 1,577
NW Indiana
Originally Posted by 69w2swinger
heres what im thinking...2018+ truck 6.4....swap out rods,pistons,cam....use the heads change the springs..new intake and injectors...and procharge it...

Pretty much what I am doing. F3D106 Procharger on a 428 Bge based stroker. Made the engine mount because the gear drive was off a SB Furd. In a 63 Dodge 440.

20200527_173836.jpg20200527_173811.jpg20200530_183635.jpg
Last edited by fbs63; 07/04/20 09:47 AM.
Re: r3 or gen3 [Re: 69w2swinger] #2792636
07/04/20 01:33 PM
07/04/20 01:33 PM
Joined: Jun 2005
Posts: 2,767
Ontario Canada
M
MattW Offline
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MattW  Offline
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Joined: Jun 2005
Posts: 2,767
Ontario Canada
Originally Posted by 69w2swinger
I'm going to replace my w2 340....its been a long time since wrenching it..when it comes to gen3 I'm clueless...my powerwagon runs fine so I never had to work on it.. 5.7 gen3....I'm looking to put together a engine 900-1000hp for my 69 swinger......procharger.....what's needed to achieve close to that HP in a gen3.....I threw this around in other forums here also...


Find a hellcat shortblock and put some eagle heads on it .
Invest in a GOOD management system.
Have fun on the cheap.
Hell use a 5.7 eagle engine with a good management system and work out the bugs.

On a sidenote IMO forget about the R3 route. One simple reason is none available.
G3 blow up a block and find another one real easy.
Stock heads kills anything out there.
G3 has issues with rockers and cams but it slowly being sorted out.
For now the stock stuff works in 99 percent of the builds out there.

Last edited by MattW; 07/04/20 01:38 PM.






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