1000cc primary?
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1000cc primary?
anyone here running 1000cc or higer on the primary? I plan on getting a set of 1000cc from blitz a set of 1600cc for my secondary. I have heard there is some issue with idle due to the big injectors, is that true? i have the power fc will get it tune by xs-engineering.
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That's exactly my setup but i haven't got any news for you since my car is in it's finishing stages. It should run just fine being that i'm going to run the AEM and Jason's tune. He has the same combo that produced 680rwhp......so i'd say.......
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who is jason's tune? some new tuner we didn't know about? never heard of him. what kind of combo you guys are running produced 680rwhp? is this a 13b? wow i like to know.
thanks
thanks
#5
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Re: 1000cc primary?
Originally posted by got banned
anyone here running 1000cc or higer on the primary? I plan on getting a set of 1000cc from blitz a set of 1600cc for my secondary. I have heard there is some issue with idle due to the big injectors, is that true? i have the power fc will get it tune by xs-engineering.
anyone here running 1000cc or higer on the primary? I plan on getting a set of 1000cc from blitz a set of 1600cc for my secondary. I have heard there is some issue with idle due to the big injectors, is that true? i have the power fc will get it tune by xs-engineering.
When I use my 660 cc primaries, this was also tough to tune initially. Now it seems to be fine.
regards
Rick
#7
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OK, here's the deal, I know of a couple of people using low impedience 1000cc, and high impedience 950cc primaries on a PowerFC, as far as other stand alones are concerned, I know of a couple of street cars using 1600cc for primaries and they work great. Reasoning behind using so much fuel is because you need that much to produce high 500-600+RWHP safely, remember, for high boost you're gonna need fuel, ALOT of fuel. On a side note: I'll be getting someone to try, or I'll be trying 1600cc primaries with a Power FC to see if it works, the only reason that it might not, is because the Power FC might only allow a millicycle low enough for a 1000cc to function, and not a 1600cc, we'll see. If this doesn't work, then I guess I'll have to try and use 2 950cc primaries and 4 1600cc secondaries wired in series(so I won't have to use resistors), too have enough fuel to safely run high boost(30psi). All this will be configured of course with a Datalogit. My 2 cents.
Last edited by RX794; 12-05-02 at 02:35 PM.
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#8
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Vosko,
Above 3500-4000 rpms and the secondaries kick in normally. As long as your duty cycle is fine on your primaries, you should be fine.
Thinking as to why, maybe this is due to some of the drag racers running NOS at lower rpms (below 3500 rpm) to spin up faster to give them back some of the low end power. This is the reason to go with a bigger injector....
My duty cycle is quite low on the 660cc at this point, however, I ain't running close to the power with the likes of the big dogs of you, Jason, RICE, and others.
Rick
Above 3500-4000 rpms and the secondaries kick in normally. As long as your duty cycle is fine on your primaries, you should be fine.
Thinking as to why, maybe this is due to some of the drag racers running NOS at lower rpms (below 3500 rpm) to spin up faster to give them back some of the low end power. This is the reason to go with a bigger injector....
My duty cycle is quite low on the 660cc at this point, however, I ain't running close to the power with the likes of the big dogs of you, Jason, RICE, and others.
Rick
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Originally posted by silvr94r2
That's exactly my setup but i haven't got any news for you since my car is in it's finishing stages. It should run just fine being that i'm going to run the AEM and Jason's tune. He has the same combo that produced 680rwhp......so i'd say.......
That's exactly my setup but i haven't got any news for you since my car is in it's finishing stages. It should run just fine being that i'm going to run the AEM and Jason's tune. He has the same combo that produced 680rwhp......so i'd say.......
#10
Senior Member
There is no reason not to doubt 600+ hp on a RX-7. There are many high-end tuners that are producing 600+ hp motors. They are either running 20+ psi of boost and/or they have BP/PP or some crazy combination yeilding a <3,000 rpm usable rpm range - not exactly for the street IMHO. Ultimate horsepower has its ultimate rewards if you are willing to live with the ultimate sacrifices it takes to get there.
On the other hand, the goal now might be to get a streetable 2 rotor with over 600 hp at the wheels... My comment would be just install that 3 rotor and be done with it. A mild setup is running like 500+ horsepower!!!
regards
Rick
On the other hand, the goal now might be to get a streetable 2 rotor with over 600 hp at the wheels... My comment would be just install that 3 rotor and be done with it. A mild setup is running like 500+ horsepower!!!
regards
Rick
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i have VERY large ports..... i need large fuel injectors and the more the fuel the better
my goal is for 550rwhp at high boost on race gas. 2x1000cc and 2x1600 should be enough but 4x1600 is better. you can never have enough fuel. i know of one race car engine that made 700rwhp with N20. 500rwhp is enough for a street car to run low 10's.... its all about driving it though.
my goal is for 550rwhp at high boost on race gas. 2x1000cc and 2x1600 should be enough but 4x1600 is better. you can never have enough fuel. i know of one race car engine that made 700rwhp with N20. 500rwhp is enough for a street car to run low 10's.... its all about driving it though.
#13
Why would you want to run such large (1000+cc) primary injectors on a street car? Your idle usually is affected, they are harder to fine tune so your engine runs right, and your fuel milage usually suffers quite a bit.
Instead, why not keep about 720-850cc primaries, 1600cc secondaries, and add on 4 EXTRA injectors (whatever size is needed). If you are running stand alone ems, then I would rather go this way than huge primaries.
Instead, why not keep about 720-850cc primaries, 1600cc secondaries, and add on 4 EXTRA injectors (whatever size is needed). If you are running stand alone ems, then I would rather go this way than huge primaries.
#14
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I am using 8500cc primaries , 1300cc secondaries and an additional pair of 850's welded into the UIM and wired in parallel with the 1300's , this setup works good and the idle is also good set at about 2.3ms on the E6K.
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jspecracer7: i don't blame you for calling BS.......but it's really not. As a matter of fact the 680rwhp was with the old setup and higher boost. As of a couple of weeks ago......the number was only 660rwhp......down a little huh? Oh wait......i forgot to mention that it was only 22lbs. of boost and a 90 shot.
The reason for the 1000cc primaries is for the added fuel of course. The idle was not the main concern......but if anyone would like to pull up next to Jason and compare idle quality....... i'd put some money down on that one.
You'd be suprised at what can be done with a good tune.
The reason for the 1000cc primaries is for the added fuel of course. The idle was not the main concern......but if anyone would like to pull up next to Jason and compare idle quality....... i'd put some money down on that one.
You'd be suprised at what can be done with a good tune.
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Originally posted by singleturbofd
what kind of combo did this car has? no the car made 680rwhp with Nitrous? no just a turbo alone?
what kind of combo did this car has? no the car made 680rwhp with Nitrous? no just a turbo alone?
Streetport w/2mm seals, T66 and all the goodies from there. That should give you the main essentials. Mine varies a little because i have the T88 and the GTR (secret weapon).
Oh.....did i forget to mention that without the nitrous and only 17lbs. of boost it made 550rwhp at 6500 rpm? Is that good? I'm new to this whole thing so could some of you experts tell me if that's pretty good?
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I'll see if i can get a copy of it or if maybe he can put it on here. Oh the doubters.......so many of them.....so many. I'll post my dyno sheet the moment i get it! That way there can be no doubt
I've got video of his car running at Pamona with John Sheppard driving it. It was popping and running like *** and still ran an 11.60 @ 125. He later found the problem and fixed it. I think i might have a video laying around from his car at Sac. running a 9.58 blowing the tranny. I'm getting my computer fixed tomorrow so i'll see about getting it on here.
I've got video of his car running at Pamona with John Sheppard driving it. It was popping and running like *** and still ran an 11.60 @ 125. He later found the problem and fixed it. I think i might have a video laying around from his car at Sac. running a 9.58 blowing the tranny. I'm getting my computer fixed tomorrow so i'll see about getting it on here.
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Originally posted by singleturbofd
um t66 streetport and 90shot will not made 680rwhp. i like to see dyno sheet as well. i like to see both dyno sheet please.
um t66 streetport and 90shot will not made 680rwhp. i like to see dyno sheet as well. i like to see both dyno sheet please.
I know that noone believes anything without proof. I'll see what i can do.
You guys might want to let the rest of the automotive community know that he can't do what he's doing. I'm sure John Sheppard, Brent Rau, Dave Busher, Adam S., Sound Performance, Intense Motorsports, Suprastore.com, Horsepowerfreaks, etc....... are all on the wrong track also being that they've all broken previous records for time and horsepower with him tuning their cars.
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