826 RWHP from the 346 cube APS twin turbo
11-16-2007, 08:02 PM
#41
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They run 98 octane down there i believe. It would be wise to run 104 octane with meth.
Peter i wish I didn't have to sell my car, it would have loved your kit on it.
Peter i wish I didn't have to sell my car, it would have loved your kit on it.
01-25-2008, 09:06 AM
#50
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Id guess the 91 PON would be equiv to regular UL at 95 RON.
I do know that a friend had his Viper tuned in the US on 93 octane ( Novi 2000 etc ), but when he got it home, there was mild detonation at times on UK 97 RON fuel. He has run it on race fuel since just for safety.
It may have been a bad batch of fuel, but it shows how close the 2 ratings are.
01-25-2008, 10:18 AM
#51
RON MON PON
90 83 86.6
92 85 88.5
95 87 91
96 88 92
98 90 94
100 91.5 95.8
105 95 100
110 99 104.5
01-25-2008, 10:24 AM
#52
if you're trying to max the thing out it would be worth sticking another clutch in there. the graph is lazy, especially for a load dyno, you don't want to give people that impression, i KNOW small twins should spool faster than my single 88.
if the turbo's are that nasty or if you are trying to spare the engine stress then i would get a good controller and roll boost in with rpm.
i guess there is potential for you to still have a stuffy cat back on the car or cats too?
if the turbo's are that nasty or if you are trying to spare the engine stress then i would get a good controller and roll boost in with rpm.
i guess there is potential for you to still have a stuffy cat back on the car or cats too?
I agree with your post. Also you can see the HP is dropping off already at 6100rpms, so that means the turbos are small and should come in much sooner.
01-25-2008, 03:12 PM
#53
Looks like they are coming in at 3500 and hitting full around 4000 and while they are dropping a bit past 6100 they are still showing like 800rwhp on that dyno which is supposedly lower than dynojet by quite a bit. These are the tweaked wheels though.
Not sure how much faster spool you can expect from a 346.And it was never stated the kit whould make over 1000 engine hp anyway. And who really, unless going for a pure track car can use over 1000engine hp on the street? If you can please show me your magic tires!
So wonder if the normal wheels will come in at 3000 and be full by 3500. Course they might drop off a bit more past 6000 too but again if they still can hold even 700rwhp on the same dyno as above to 6500 how high does a person need to spin the engine too?
Need to find that other graph of the normal wheels on same engine and that graph of epps firehawk car with 402 and standard wheels. Also would expect faster spooling on a 402 or 408. And this whole matching the turbos to the engine size is pretty overblown unless you are going for absolute max power in a race car. Many many street turbo factory cars are purposely undersized to give quicker spool on the street. Sure it limits max power but the bigger turbos that are going to flow so great up top are usually going to get pretty laggy and slow to spool as well.
Course different guys like different things. Lag can help with traction and you can gear down in stick cars to help the spool. Course going up thru the gears is when the lack of boost makes the car doggy. Then its time for a two step or autos with nice stalls.Funny no one seems to offer antlag yet for our cars..its pretty common on the import tuning programs and works well.
Not sure how much faster spool you can expect from a 346.And it was never stated the kit whould make over 1000 engine hp anyway. And who really, unless going for a pure track car can use over 1000engine hp on the street? If you can please show me your magic tires!
So wonder if the normal wheels will come in at 3000 and be full by 3500. Course they might drop off a bit more past 6000 too but again if they still can hold even 700rwhp on the same dyno as above to 6500 how high does a person need to spin the engine too?
Need to find that other graph of the normal wheels on same engine and that graph of epps firehawk car with 402 and standard wheels. Also would expect faster spooling on a 402 or 408. And this whole matching the turbos to the engine size is pretty overblown unless you are going for absolute max power in a race car. Many many street turbo factory cars are purposely undersized to give quicker spool on the street. Sure it limits max power but the bigger turbos that are going to flow so great up top are usually going to get pretty laggy and slow to spool as well.
Course different guys like different things. Lag can help with traction and you can gear down in stick cars to help the spool. Course going up thru the gears is when the lack of boost makes the car doggy. Then its time for a two step or autos with nice stalls.Funny no one seems to offer antlag yet for our cars..its pretty common on the import tuning programs and works well.
01-25-2008, 03:22 PM
#54
Here is that epp mustang dyno. At only 9 something psi. 402 ,standard wheels,afr 205 heads,milder cam.Seems to be pulling better past 6000 and have about 500 rpm quicker spool. Don't see much wrong with this graph at all. And if those numbers are not corrected to be like dynojet even more impressive. And once again faster spool down low might be worth giving up a bit up top past 6000 especially on street cars.
01-28-2008, 05:59 PM
#55
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Peter
Last edited by peter@aps; 01-28-2008 at 06:48 PM.
01-28-2008, 07:31 PM
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Thats ok, maybe if anyone else here runs those turbos or ones of a similar size they can chime in and answer my question. or what would need to be done. thanks guys. I will be purchasing your kit ones i have the money to built my 408 and rear end, either way even if i have to custom make it myself. it is by far the best most put together kit i have seen yet for the F body. Great job on it. I sure by the time i'm ready to purchase the kit other people on here will have played with the same turbos i want to .
Last edited by z28adiction; 01-28-2008 at 08:56 PM.
01-28-2008, 08:58 PM
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But if your bigger wheel turbos flow that much i wont need gt35rs to make the power i want on a 408. I'm hoping the bigger wheel turbos might be garret ball bearing turbos. lol
01-28-2008, 11:35 PM
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Peter Are The F-body Turbos That Come With The Kit The Same As The Ones That Come With The 05 - 07 Ls2 Vette Kitt? THE REASON I ASK IS BECAUSE I AM PLANING ON RUNNING A W2W FORGED 364 LS2 IN MY SS WITH YOUR KIT AND HOPING TO MAKE 675-700 RWHP ON 93 OCTANE . I DO NOT WANT THE HASEL OF METH OR RACE GAS. MY PLANES ARE TO MAKE THIS KIND OF POWER AND STILL BE ABLE TO DRIVE MY LITTLE GIRL TO SCHOOL EVERY DAY.
Last edited by fast00ls1; 01-28-2008 at 11:46 PM. Reason: WANTED TO ADD MORE TO QUESTION