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Re: This 572 Predator engine Boatracer 572 built, is rocking
[Re: camastomcat]
#2139447
08/23/16 06:16 PM
08/23/16 06:16 PM
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Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
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Glad to hear you're having a good time w/ it now! I know you've had some headaches lately w/ those Predator motors. Hope you keep getting faster!
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: This 572 Predator engine Boatracer 572 built, is rocking
[Re: camastomcat]
#2139464
08/23/16 07:05 PM
08/23/16 07:05 PM
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Joined: Apr 2005
Posts: 2,128
Salt Lake City
camastomcat
OP
top fuel
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OP
top fuel
Joined: Apr 2005
Posts: 2,128
Salt Lake City
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I always knew they had the potential. The worst part is finding someone like Tony that had been running them successfully, as people like Indy were absolutely no help. And because Tony has been racing boats, it took me for ever to figure out the converter, gear, timing etc., that equates to the pavement. My 604 is ready now, and I will start next year with that. It made 1200HP, actually 1199.4.
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Re: This 572 Predator engine Boatracer 572 built, is rocking
[Re: camastomcat]
#2140538
08/25/16 12:46 PM
08/25/16 12:46 PM
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Joined: Apr 2005
Posts: 2,128
Salt Lake City
camastomcat
OP
top fuel
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OP
top fuel
Joined: Apr 2005
Posts: 2,128
Salt Lake City
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Gear needs to be a tad more steep, at least with the 572, I don't know yet with the 604. So, from a 4.10 to a 4.30, I think it would help as they like higher RPM's. The timing is less, from 33-34 total, to 30-32 total. They like big carbs, 1250 and perhaps even bigger or 2. The converter should stall at least 6000, and 6200-6500 is even better.
The upside of these things are common intake/exhaust rockers, much higher flow, bigger cams are effective, they don't need as much compression but respond to more, and from what I hear they are very NOS friendly.
The downside is, don't try getting any info from Indy, they are more expensive than the B1 stuff, special headers, pistons, gaskets, etc.
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Re: This 572 Predator engine Boatracer 572 built, is rocking
[Re: camastomcat]
#2140562
08/25/16 01:38 PM
08/25/16 01:38 PM
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Joined: Jan 2008
Posts: 622
sing sing
unknown
mopar
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mopar
Joined: Jan 2008
Posts: 622
sing sing
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Thanks for the replies guys. I guess there isn't much interest in the Predator stuff here. Oh trust me, I have lots of interest in the Predator stuff and if and when the time comes to buy better heads then what i have it will be Predator heads. My junk has been sidelined for many years because of having a very busy job and having two kids to raise. I look at it like this, buy the Predator heads right from the start. If i only want to run in the 9s, mild porting and mild camshaft. The day i want to step it up, there's lots of room for improvement. By the way, good luck with yours.
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Re: This 572 Predator engine Boatracer 572 built, is rocking
[Re: J_BODY]
#2140584
08/25/16 02:02 PM
08/25/16 02:02 PM
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Joined: Feb 2005
Posts: 20,159
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,159
PA.
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First off congratulation on all the hard work and research on making these combos work. And you are right on the interest of MOST of our members. I follow these builds as I appreciate all the work and money involved in getting these combos to work even though at my age I will never own a set. Heck most of the guys kinda pass over even the B1 posts on here. You are even fighting a bigger up hill battle because you are racing a dragster. Most guys including myself are door car guys and when the dragsters come to the line we head to eat. Nothing personal but either you like them or you don't. I would quit racing if it came down to me having to own one even though they are " the best " bracket cars out there. I've seen guys that raced for 20 plus years and never win a race step into a dragster and go on a tear. Please keep up the good work and keep us in the loop.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27
Livin and lovin life one day at a time
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Re: This 572 Predator engine Boatracer 572 built, is rocking
[Re: pittsburghracer]
#2140596
08/25/16 02:13 PM
08/25/16 02:13 PM
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Joined: Apr 2005
Posts: 2,128
Salt Lake City
camastomcat
OP
top fuel
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OP
top fuel
Joined: Apr 2005
Posts: 2,128
Salt Lake City
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First off congratulation on all the hard work and research on making these combos work. And you are right on the interest of MOST of our members. I follow these builds as I appreciate all the work and money involved in getting these combos to work even though at my age I will never own a set. Heck most of the guys kinda pass over even the B1 posts on here. You are even fighting a bigger up hill battle because you are racing a dragster. Most guys including myself are door car guys and when the dragsters come to the line we head to eat. Nothing personal but either you like them or you don't. I would quit racing if it came down to me having to own one even though they are " the best " bracket cars out there. I've seen guys that raced for 20 plus years and never win a race step into a dragster and go on a tear. Please keep up the good work and keep us in the loop. Yep, all good points on the dragster comments, and no arguments as to the appeal of watching them run. I will say, even though I have won more races with the dragster, it's not as easy as people think, but a definite advantage. I have spent a lot on research and development for Indy and ultimately Mopar, but Boatracer572 has the most helpful with advice and help. Glad to see some are interested.
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Re: This 572 Predator engine Boatracer 572 built, is rocking
[Re: pittsburghracer]
#2140600
08/25/16 02:19 PM
08/25/16 02:19 PM
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Joined: Mar 2006
Posts: 2,675
Mt. Eden Ky.
Hemi Allstate
master
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master
Joined: Mar 2006
Posts: 2,675
Mt. Eden Ky.
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First off congratulation on all the hard work and research on making these combos work. And you are right on the interest of MOST of our members. I follow these builds as I appreciate all the work and money involved in getting these combos to work even though at my age I will never own a set. Heck most of the guys kinda pass over even the B1 posts on here. You are even fighting a bigger up hill battle because you are racing a dragster. Most guys including myself are door car guys and when the dragsters come to the line we head to eat. Nothing personal but either you like them or you don't. I would quit racing if it came down to me having to own one even though they are " the best " bracket cars out there. I've seen guys that raced for 20 plus years and never win a race step into a dragster and go on a tear. Please keep up the good work and keep us in the loop. My thoughts exactly! I do like reading about the builds and combos. Good luck !  Mark
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Re: This 572 Predator engine Boatracer 572 built, is rocking
[Re: camastomcat]
#2140630
08/25/16 03:22 PM
08/25/16 03:22 PM
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Joined: Jan 2003
Posts: 20,167
Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,167
Park Forest, IL
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I have lots of interest in all the build posts too. Most of them are way out of my reach too.
I love reading them because it always amazes me how much I don't know.
"Everybody funny, now you funny too."
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