2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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streetport or brigeport

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Old 10-29-09, 07:58 PM
  #51  
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Originally Posted by joeylyrech
That has nothing to do with bridgeporting,you can crack any iron with a streetport,periport or bridgey cracking a iron has to do with how dam well the engine was builded and how well is tuned.
I seen pre 85 blocks putting enough power down to run a 7 second pass without cracking a dam iron,I cracked a couple and if not cuase my is bridgeported is cause of bad fuel,tune and ignition problems.OH and those older blocks arent crap at all.
i never said the older engines are crap. sorry if i was a bit off target, my understanding of those older engines are that they aren't that reliable when one makes big horsepower from it. i kno that all engines are unreliable with big horsepower, but ive read that the 13bt's are a little less reliable than say a rew.
Old 10-30-09, 12:01 AM
  #52  
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I think this thread might be better off if the people responding are talking from experience.
Old 10-30-09, 07:10 AM
  #53  
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Originally Posted by Slammedblk7
I think this thread might be better off if the people responding are talking from experience.
well i have costumers dayli driving bridgeported engines and also my car is semiperipheral and is a dayli , i dnt drive it because is on slicks but i can drive it anyday everyday no problems ,you cant trust a mickeymouse mechanic you goota know more about them so you can know what your getting is good ,and a tip ... when a guy builds your engine and you ask him ... oh is there any warranty ?? when they say no because is a ported engine or is an engine you will abuse then that means they are not sure in wtf they r doing ..... but if he says ...oh lets see what happens and ill figure something out or i got you .......... i hope you guys understand whatever the hell i was trying to explain
Old 10-31-09, 10:51 AM
  #54  
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Originally Posted by BotieRacing954
yea i will go brigeport i trust my builder les go brige i coming for them vipers and z06s lol
Unless you are going for more then 400 RWHP, then a bridgeport is wasted. You can make 400HP easily on a stock/street port engine with a GT35R or similar sized turbo with excellent turbo response. All a bridgeport will net you in this case is poor fuel economy. If you are looking at more then 400 wheel HP, then it is my opinion that a bridgeport should be considered to keep turbo response reasonable.

Originally Posted by hbattousai89
does anybody know, if you do a streetport, and decide later you want more power, or something like that, could you brideport the thing, or would u have to get a whole new engine and re-due the porting?
As long as the street port does not move too far towards the housing and there is still room for a thick enough bridge, then yes. If you are doing a street port now and looking to a bridge in the future, just port with that in mind. The RB "street" turbo templates are bridge friendly.

Originally Posted by neit_jnf
that's what jay-tech/pro-jay (full lower, upper manis and throttles) or revolution-r in japan (lower mani for the stock upper) are for!
pro-jay special combo sale $1000 for the complete setup (minus fuel rails, injectors, etc)
http://www.pro-jay.com/WINTER-SALE-J...BHAT-COMBO.htm
Yep, but with a bridgeport you don't need to purchase new manifolds.

Originally Posted by flaco
well if they are bad flow wise then ima leav it for you go ahead and tell that to the fast guys cause alot of them are running the stock lower manifolds
Please point out where I ever said that they are "bad" flow wise. All I said is "far from ideal" compared to a manifold made for that purpose.

This one will really bake your noodle, but the stock TII lower intake is "far from ideal" when compared to the stock NA lower intake. The TII lower runners are cramped into place with an almost 90 degree direction change in the span of about an inch. The NA lower makes the same direction change but over a much longer runner.
Old 10-31-09, 11:52 AM
  #55  
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Originally Posted by aaron cake
unless you are going for more then 400 rwhp, then a bridgeport is wasted. You can make 400hp easily on a stock/street port engine with a gt35r or similar sized turbo with excellent turbo response. All a bridgeport will net you in this case is poor fuel economy. If you are looking at more then 400 wheel hp, then it is my opinion that a bridgeport should be considered to keep turbo response reasonable.



As long as the street port does not move too far towards the housing and there is still room for a thick enough bridge, then yes. If you are doing a street port now and looking to a bridge in the future, just port with that in mind. The rb "street" turbo templates are bridge friendly.



Yep, but with a bridgeport you don't need to purchase new manifolds.



Please point out where i ever said that they are "bad" flow wise. All i said is "far from ideal" compared to a manifold made for that purpose.

This one will really bake your noodle, but the stock tii lower intake is "far from ideal" when compared to the stock na lower intake. The tii lower runners are cramped into place with an almost 90 degree direction change in the span of about an inch. The na lower makes the same direction change but over a much longer runner.
aaron i never had a problem with th lower t2 or na intake
Old 10-31-09, 07:34 PM
  #56  
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Originally Posted by Slammedblk7
MPG does not dump. I would get 15+ MPG UNTUNED. It is not a secret to get more MPG with stand alone ECUs.
im guessing this is highway driving? My highway mpg did not drop but my city mileage got killed with my half bridge
Old 11-01-09, 10:47 AM
  #57  
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Originally Posted by flaco
aaron i never had a problem with th lower t2 or na intake
You are not understanding what I am saying. There are many levels between "completely doesn't work" and "absolutely perfect design". Things in the real world tend to fall between those two points.

Just because something is not an absolutely perfect design, does not mean that it doesn't work and you should expect problems with it.
Old 12-14-09, 01:54 PM
  #58  
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Ok, from what I am reading. My understanding is that a well done Bridgeport job that has been tuned well will maintain some reliability. Also that the low end will not suffer as drastic as rumors purpose. I can use a large turbo and not have that much turbo lag. For my biuld I am planning on using 3mm apex seals. Is this a wise choice?
Old 12-14-09, 10:13 PM
  #59  
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personally i would get some super seals or possibly some ALS Seals 2mm will be fine in those two.


Correct me if i am wrong. I plan on using the ALS 2mm Seals in my bridgeport turbo setup in my vert with at least a Gt42R turbo or possibly a GT-45
Old 12-14-09, 11:32 PM
  #60  
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i keep hearing things about turbo Peripheral ports not working.. and i'm sorry to tell you how wrong you are.. they are extremely good for power, not to mention the lack of turbo lag considering the size of the turbo you would need to use. I'm using a borg warner s475, with the 1.32 A/R, which is a well matched size.

the people on here really need to do their research, because this thread is filled with B.S.

to the O.P.

a bridge, semi-pp, or pp are not really necessary if you need huge power at all, you just get improved response with it... but if you're looking for anything under 500rwhp, then it really shouldn't even be a concern to you... a streetport will easily do it, but lag begins to become an issue once passing somewhere around that point of power.. however, we'll see what happens now that precision has those nice billet turbos that spool like a 35r with the power from a 40r.
Old 12-15-09, 12:55 AM
  #61  
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Originally Posted by BotieRacing954
yea well i have a microtech LT10 i got a 60-1 wheel and housing on my stock s5 turbo 750cc/1600cc injectors walbro 255 fuel pump frount mount intercooler 3gen upper intake manifold custom made single 90mm throttle body 3in down pipe and hks hi power exaust im using it as a weekend worrior so i can cruse it and take it to the track and woop on a corvette or when i cruse it on the weekend and just beat the ritch punk in his viper and make him feel bad you know lol

knock it off with the bad *** talk..

a full bridge is going to be too much port for any 60-1 turbo. any real bridge port will only make decent power starting at 5k-9,500 RPMs and that is not something you want on a street driven car.

the sound from a bridge can't be beat, nor can the 10-13 MPG you will get along with it. if you want an average sounding car that performs better than stock then stick with a streetport. if you plan on drag racing or making it a show car then bridge it.
Old 12-15-09, 10:05 AM
  #62  
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Not to mention a full bridgeport kicks and bucks like a donkey under 4000 rpms. Not fun to drive in traffic.
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