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6.4 BGE crate motor with a 274 comp cam #2691863
08/27/19 09:45 AM
08/27/19 09:45 AM
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Deland, Florida
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biff426 Offline OP
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What are the thoughts on a 6.4 BGE crate motor with a 274 comp cam VVT locked and a Ritter intake and carb, headers with a XIM ignition? What kind of power would this make? I think it would be a nice streetable 550HP that could live a while what thinks the Moparts crowd?

Re: 6.4 BGE crate motor with a 274 comp cam [Re: biff426] #2691906
08/27/19 12:10 PM
08/27/19 12:10 PM
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Springtown Pa
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Ray408G3Hemi Offline
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Back in Jan I was over at my builders place he had a 2018 SRT392 Non MDS Crate engine on the dyno(superflo 901) for some NA intake testing with the stock long block, only mod was locked cam..Peak Hp with the DragPak was 580 @ 6900 , and Tq was 490 at 4700ish. Ritter intake was 570ish at 6900 and Arrow/prefix was high 54X at 6800.
Then came cam testing ,With Comp Cams 274, DP intake, a Get em Garage dual blade Carb ,MSD 6 on 91 oct it did 605 @ 6900 one of the other cams tested Texas Speed NA Stage 4 Camshaft (.582/.582, 226/235@50 117 CL) with the DP and Carb made 585 @ 6600.


1963 Thunderbolt 496FE 10.80 (still a work in progress)
1968 Mustang slow a$$ 428 FE
1971 Boss 351 Mustang 11.20@115mph
1993 Lightning 10.61 @ 129mph 408Ci A3 headed NA
1996 Viper GTS
2001 Lightning 8.99 @ 155MPH 5.4 Mod Motor
2009 Ram 9.65@144MPH 463CI G3 NA
2010 Challenger 9.91 @ 139MPH 408CI G3ci NA
2019 F150 (local dealer's Lightning package) ..11.90s

Re: 6.4 BGE crate motor with a 274 comp cam [Re: Ray408G3Hemi] #2691962
08/27/19 02:21 PM
08/27/19 02:21 PM
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Kalispell Mt.
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HotRodDave Offline
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I always suspected the 392 SRT with real exhaust and tall style intake would be a shade under 600 HP. The BGE with a cam swap only gives up some compression so it should not be too far down from that.


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



Re: 6.4 BGE crate motor with a 274 comp cam [Re: Ray408G3Hemi] #2692099
08/27/19 10:09 PM
08/27/19 10:09 PM
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Canada
WO23Coronet Offline
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A stock 392 cam made 580 hp? Where was it installed?

Re: 6.4 BGE crate motor with a 274 comp cam [Re: WO23Coronet] #2692259
08/28/19 11:27 AM
08/28/19 11:27 AM
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biff426 Offline OP
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Well we are going to see what the truck motor makes with a 274 comp cam, headers and a Ritter intake. I just bought an engine and the cam it will probably be this winter before I get it done- still working on the other motor but I will try to get this truck motor on the dyno to see what it makes.

Re: 6.4 BGE crate motor with a 274 comp cam [Re: biff426] #2692273
08/28/19 11:57 AM
08/28/19 11:57 AM
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Texas
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03heavy Offline
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I’m in the same boat very curious what a truck 6.4 will
Make with mostly stock parts

ADD41E31-39C7-4A1A-A064-AB61E5EF5FCF.jpeg
Re: 6.4 BGE crate motor with a 274 comp cam [Re: WO23Coronet] #2692426
08/28/19 09:26 PM
08/28/19 09:26 PM
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Springtown Pa
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Originally Posted by WO23Coronet
A stock 392 cam made 580 hp? Where was it installed?


Locked the cam straight up, for the 580 pull, and then back 2 degrees, I've seen him skip a tooth then move the Phaser back and lock it with machine spacer blocks.


1963 Thunderbolt 496FE 10.80 (still a work in progress)
1968 Mustang slow a$$ 428 FE
1971 Boss 351 Mustang 11.20@115mph
1993 Lightning 10.61 @ 129mph 408Ci A3 headed NA
1996 Viper GTS
2001 Lightning 8.99 @ 155MPH 5.4 Mod Motor
2009 Ram 9.65@144MPH 463CI G3 NA
2010 Challenger 9.91 @ 139MPH 408CI G3ci NA
2019 F150 (local dealer's Lightning package) ..11.90s

Re: 6.4 BGE crate motor with a 274 comp cam [Re: biff426] #2692428
08/28/19 09:28 PM
08/28/19 09:28 PM
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A39Coronet Offline
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Looking forward to seeing results from a stock 6.4. I'm in the process of putting one in a 71 Cuda without any changes other than a Scat Pack cam, good exhaust, and a rollerized trans.


Follow my G3 Hemi Barracuda build on Youtube
https://www.youtube.com/watch?v=XSDAWczXoZw&list=PLTus_wQu8POADHEeJNJp2nr4NMHEyB9EK

2015 Tri-State Stock Super Stock Champion
2017 Monster Mopar Pro Winner
2018 Monster Mopar No Box Winner
Re: 6.4 BGE crate motor with a 274 comp cam [Re: Ray408G3Hemi] #2692440
08/28/19 10:01 PM
08/28/19 10:01 PM
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USA
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hudsonhornet7x Offline
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Originally Posted by Ray408G3Hemi
Originally Posted by WO23Coronet
A stock 392 cam made 580 hp? Where was it installed?


Locked the cam straight up, for the 580 pull, and then back 2 degrees, I've seen him skip a tooth then move the Phaser back and lock it with machine spacer blocks.


Any videos? How did it idle?

Re: 6.4 BGE crate motor with a 274 comp cam [Re: hudsonhornet7x] #2692530
08/29/19 08:50 AM
08/29/19 08:50 AM
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I’ve read where some people have had issues when using
Non mds lifters on the stock mds 6.4 cam
Causes an low rpm miss on the mds cylinders
Anyone have any insight or experience on this ?

Re: 6.4 BGE crate motor with a 274 comp cam [Re: 03heavy] #2692622
08/29/19 01:49 PM
08/29/19 01:49 PM
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HotRodDave Offline
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I've done it, no issue. It does have a slightly noticeable idle but it is a pretty big cam especially for a 5.7 MDS or not. If your buying a new 6.4 cam get the non MDS cam if your not going to run MDS.


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



Re: 6.4 BGE crate motor with a 274 comp cam [Re: Ray408G3Hemi] #2692667
08/29/19 04:55 PM
08/29/19 04:55 PM
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Between a rock & a hard place
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cudadoug Offline
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Originally Posted by Ray408G3Hemi
Originally Posted by WO23Coronet
A stock 392 cam made 580 hp? Where was it installed?


Locked the cam straight up, for the 580 pull, and then back 2 degrees, I've seen him skip a tooth then move the Phaser back and lock it with machine spacer blocks.


I read in the post that "Peak Hp with the DragPak was 580". So the stock short block had a DP cam, or it was a stock 392 cam? I didn't think the DP cam would clear without notches in the pistons. Either/or, pretty impressive for mostly stock stuff!




Last edited by cudadoug; 08/29/19 04:57 PM.
Re: 6.4 BGE crate motor with a 274 comp cam [Re: cudadoug] #2692669
08/29/19 05:05 PM
08/29/19 05:05 PM
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HotRodDave Offline
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based on ET VS weight or MPH VS weight the 392 cars are pushing at least 500 bone stock with significant gains from intakes, exhausts, tuning, gears... typical bolt on stuff.


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



Re: 6.4 BGE crate motor with a 274 comp cam [Re: HotRodDave] #2693037
08/30/19 10:59 PM
08/30/19 10:59 PM
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WO23Coronet Offline
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It’s amazing what a Gen III can do with such a small cam (20x@.050”?)

Re: 6.4 BGE crate motor with a 274 comp cam [Re: WO23Coronet] #2693199
08/31/19 05:00 PM
08/31/19 05:00 PM
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HotRodDave Offline
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I think the 392 SRT cam is around 220@.050 .577 ish lift. Not huge but big enough when you consider the low lift flow allowed from an un-shrouded valve moving away from the cylinder wall as well as a straight shot at the entire back of the valve.


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



Re: 6.4 BGE crate motor with a 274 comp cam [Re: HotRodDave] #2697386
09/14/19 08:07 AM
09/14/19 08:07 AM
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Springtown Pa
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Originally Posted by HotRodDave
I think the 392 SRT cam is around 220@.050 .577 ish lift. Not huge but big enough when you consider the low lift flow allowed from an un-shrouded valve moving away from the cylinder wall as well as a straight shot at the entire back of the valve.


SRT8 392 camshaft is Part # 05037379BC. NON MDS
215/221 @ .050"
.574"/.551" valve lift 1.6 intake/1.65 E ratio
121 LSA
108 ICL
SRT8 392 MDS 05038419AB
@50 Exhaust 215 on 4 lobes for MDS

The SRT392 spec 591/559 , it uses 1.65 as a Intake ratio,Not 1.60



I've been a long time Ford guy , my kid and buddy got me in to these G3s the potential for the G3 is just awesome. My 496 FE makes about 690 hp, my 408 G3 makes about 690 Hp both do it with very similar cam specs.



Last edited by Ray408G3Hemi; 09/14/19 08:09 AM.

1963 Thunderbolt 496FE 10.80 (still a work in progress)
1968 Mustang slow a$$ 428 FE
1971 Boss 351 Mustang 11.20@115mph
1993 Lightning 10.61 @ 129mph 408Ci A3 headed NA
1996 Viper GTS
2001 Lightning 8.99 @ 155MPH 5.4 Mod Motor
2009 Ram 9.65@144MPH 463CI G3 NA
2010 Challenger 9.91 @ 139MPH 408CI G3ci NA
2019 F150 (local dealer's Lightning package) ..11.90s

Re: 6.4 BGE crate motor with a 274 comp cam [Re: biff426] #2710432
10/27/19 06:46 PM
10/27/19 06:46 PM
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Posts: 935
Deland, Florida
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biff426 Offline OP
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Got the engine apart cam and lifters swapped, springs and retainers swapped. Locked the cam and replaced the pushrods. Put the Milodon pan on itand trimmed the timing cover it is all back together just waiting for some dyno time to open up.

6.4 1.jpg6.4 3.jpg6.4 4.jpg
Re: 6.4 BGE crate motor with a 274 comp cam [Re: biff426] #2710533
10/28/19 07:38 AM
10/28/19 07:38 AM
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Dart451 Offline
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Looking forward to seeing results

Re: 6.4 BGE crate motor with a 274 comp cam [Re: biff426] #2711254
10/30/19 01:50 PM
10/30/19 01:50 PM
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Ray408G3Hemi Offline
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Looking good can't wait


1963 Thunderbolt 496FE 10.80 (still a work in progress)
1968 Mustang slow a$$ 428 FE
1971 Boss 351 Mustang 11.20@115mph
1993 Lightning 10.61 @ 129mph 408Ci A3 headed NA
1996 Viper GTS
2001 Lightning 8.99 @ 155MPH 5.4 Mod Motor
2009 Ram 9.65@144MPH 463CI G3 NA
2010 Challenger 9.91 @ 139MPH 408CI G3ci NA
2019 F150 (local dealer's Lightning package) ..11.90s

Re: 6.4 BGE crate motor with a 274 comp cam [Re: biff426] #2731952
01/10/20 08:27 PM
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drinking

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