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Old 08-19-2019, 01:29 AM   #16
nob00st
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Default Re: turbo BBC engine builders

10sec_rx7 - thanks. good to know the crank I have is good enough for my goals.

Are you running steel rocker arms? I was thinking maybe aluminum intake, steel exhaust T&D or Jesel rockers? I already have a belt drive left over from my old engine.

For head studs, are you using the standard 7/16" or did you upgrade to 1/2"? Standard ARP 2000 or some exotic material?

I plan on running methanol. Looking at the new Aeromotive spur gear pump, what size would I need? 21.5 gpm? Planning on using Billet Atomizers, what size for 2500hp? 750#?

Want a little wiggle room/safety margin for both the pump and injectors.


Thanks guys!

Last edited by nob00st; 08-19-2019 at 01:30 AM.
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Old 08-19-2019, 04:01 AM   #17
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Default Re: turbo BBC engine builders

i was running aluminium both intake and exhaust, i just got a set of steel for both intake and exhaust, have not done a pass with them yet, T&D brand,
standard ARP 7/16 head studs,
20gpm either enderlie 1200-1270 or a aeromotive, i run an enderlie 1200..

i use 2x 550 precision injectors per cyl, a single 750 will get you to your power level, just be warned you will need to be very anal with the fuel system and maintenance with the BA injectors
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Old 08-19-2019, 04:54 AM   #18
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Default Re: turbo BBC engine builders

what the other boys already said
but double o ring , copper gasket
dart pro 1 320 heads
pt8891 twins
sonny crank, 4.0 stroke
crower lifters
crower steel rods
T&D rockers
Trend pushrods
no bump box
th400, trans break 1&2 3 sp
20 gal pump
mfi






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Old 08-20-2019, 04:11 AM   #19
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Default Re: turbo BBC engine builders

nice set-up billycart.


10sec_rx7... what block do you run? I plan on using a Dart Big M 10.2 cast iron (can't afford aluminum).


what about for cam/lifters/pushrods/valve springs? did the Brodix BB3X head ever give you any trouble not being HIP'd?


for my build, what starts becoming a problem engine-wise after 2500hp?


thanks everybody
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Old 08-20-2019, 01:02 PM   #20
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Default Re: turbo BBC engine builders

Could someone please expound on the no bump box advice?

I don't run a boosted BBC and I never really use it on my LS setup (spools fast enough I've found I dont need it)

But this is the first time I've seen this advice given and asking for the purpose of knowledge.
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Old 08-20-2019, 01:05 PM   #21
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I THINK, he is just listing what he is doing. Any I guess he doesn't need a bump box.
I am interested to hear how he stages and what kind of boost he leaves with. If he will share that. Heck of a ride!
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Old 08-20-2019, 03:37 PM   #22
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I THINK, he is just listing what he is doing. Any I guess he doesn't need a bump box.
I am interested to hear how he stages and what kind of boost he leaves with. If he will share that. Heck of a ride!
There are a couple that stated "no bump box". Unless I misunderstood, but thats why i asked
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Old 08-20-2019, 07:33 PM   #23
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Yeah not sure what the bump box has to do with anything. Couple of local guys with big hp ls and mod stuff dont have issues with them here. Just about everyone who races in a pro tree with a turbo car has one
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Old 08-20-2019, 08:26 PM   #24
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Default Re: turbo BBC engine builders

Quote:
Originally Posted by nob00st View Post
nice set-up billycart.


10sec_rx7... what block do you run? I plan on using a Dart Big M 10.2 cast iron (can't afford aluminum).


what about for cam/lifters/pushrods/valve springs? did the Brodix BB3X head ever give you any trouble not being HIP'd?


for my build, what starts becoming a problem engine-wise after 2500hp?


thanks everybody
dart Big M 10.2 deck
cam is a crow cam ground here, 904 Crower lifters, Manton 7/16 pushrods, Pac triple springs, GRP alloy rods etc.
I did have some issues with pulling threads in the heads, but we inserted them and have been fine ever since,

to be honest 2500hp is not really working a big block too hard,
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Old 08-20-2019, 08:26 PM   #25
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Default Re: turbo BBC engine builders

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Originally Posted by Orr89rocz View Post
Yeah not sure what the bump box has to do with anything. Couple of local guys with big hp ls and mod stuff dont have issues with them here. Just about everyone who races in a pro tree with a turbo car has one
I use mine every pass.. no issues with the box
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Old 08-27-2019, 12:26 AM   #26
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Default Re: turbo BBC engine builders

Quote:
Originally Posted by tempname View Post
I THINK, he is just listing what he is doing. Any I guess he doesn't need a bump box.
I am interested to hear how he stages and what kind of boost he leaves with. If he will share that. Heck of a ride!
not sure if directed at me lol'

yes, not pro tree
spool twin 88's without pre bumping
leave with 10-12 psi
makes 30+ on msdboost controller in under 2
can make 60 in under 3
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Old 08-27-2019, 12:30 AM   #27
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Default Re: turbo BBC engine builders

Quote:
Originally Posted by 10sec_rx7 View Post
dart Big M 10.2 deck
cam is a crow cam ground here, 904 Crower lifters, Manton 7/16 pushrods, Pac triple springs, GRP alloy rods etc.
I did have some issues with pulling threads in the heads, but we inserted them and have been fine ever since,

to be honest 2500hp is not really working a big block too hard,

thanks 10sec_rx7. my last set of Brodix heads that i bought new had inserts in the rocker arm mounting holes and the valley head stud holes on the underside of the head from the factory.



what did you have for your oiling system? I was thinking a wet sump with an external oil pump. where on the block did you get your turbo oil feeds from? what about oil drain? Thanks
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Old 08-27-2019, 01:15 PM   #28
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Hi , on a side not the Brodix BB3x heads Jesel doesn’t make the one piece stand for the intakes , but T&D does ... Had the intake rocker rip out of the head twice & replaced those with the T&D
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Old 08-27-2019, 02:12 PM   #29
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Quote:
Originally Posted by billycart View Post
not sure if directed at me lol'

yes, not pro tree
spool twin 88's without pre bumping
leave with 10-12 psi
makes 30+ on msdboost controller in under 2
can make 60 in under 3
You aren't messing around!I have seen the vid's, and that car is very cool. Just about the only think cooler than a small block with twin turbos, is a big block with twins!
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Old 08-27-2019, 06:32 PM   #30
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Quote:
Originally Posted by nob00st View Post
thanks 10sec_rx7. my last set of Brodix heads that i bought new had inserts in the rocker arm mounting holes and the valley head stud holes on the underside of the head from the factory.



what did you have for your oiling system? I was thinking a wet sump with an external oil pump. where on the block did you get your turbo oil feeds from? what about oil drain? Thanks
yeh they head inserts in them too, it think it was a combo of shit rocker spacers and bolts that were too short, made large platform spacers and used longer bolts and its perfect now,

we are dry sump, we had it all there from the LSX setup so just got a new pan for the big block and away we went.
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