What do you think of this intake set up for me?
10-09-2008, 07:22 AM
#1
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What do you think of this intake set up for me? *I DO NOT HAVE THE CASH FOR 90/90*
My car is a heads / cam / full exhaust LS1.
I have a 98' LS1 intake on it with a home ported TB.
This is what I came up for an intake set up: (all new parts)
BBK intake manifold (has 85mm opening) $400
Perf Products 85 MM TB $160
85mm MAF and harness $80
Total $640
So for less than $650 I would have a 85/85 set up. Do you think that would be a good horsepower per dollar gain for me?
OR
Should I just get a used LS6 intake for $300????
My car is a heads / cam / full exhaust LS1.
I have a 98' LS1 intake on it with a home ported TB.
This is what I came up for an intake set up: (all new parts)
BBK intake manifold (has 85mm opening) $400
Perf Products 85 MM TB $160
85mm MAF and harness $80
Total $640
So for less than $650 I would have a 85/85 set up. Do you think that would be a good horsepower per dollar gain for me?
OR
Should I just get a used LS6 intake for $300????
10-09-2008, 08:47 AM
#4
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Save yourself even more money and just get a LS6 and porter stock tb. Either that or just wait till you can afford a fast. Honestly, at 650 you are not that far enough from being able to buy a used fast 90/90.
10-09-2008, 09:07 AM
#5
Like others have said just get the LS6 intake. it is a priven intake. Or jsut save up more moeny fort the FAST 90/90. The stock P&P TB is great too 
i am going to be buying a 85mm LId and 85mm MAF. Next i will get 42# injectors. then spring time it will be a FAST 92/92 combo for me...
i am going to be buying a 85mm LId and 85mm MAF. Next i will get 42# injectors. then spring time it will be a FAST 92/92 combo for me...
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10-09-2008, 02:19 PM
#8
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Just run a full bolt on car last weekend with a BBK SSI 85mm intake, Professional Products 85 TB, and a granatelli 85 MAF...has victor Jr headers wrapped, 1.75 rockers, SLP flowpak, Powerbond 25% underdrive. Put 334 to the wheels through a M6 & 4.10. So I don't know what a 90/90 would turn out on just a bolt on car but that is what it has to offer on a stock shortblock car with no cam..
10-09-2008, 02:46 PM
#10
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10-09-2008, 02:50 PM
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Just run a full bolt on car last weekend with a BBK SSI 85mm intake, Professional Products 85 TB, and a granatelli 85 MAF...has victor Jr headers wrapped, 1.75 rockers, SLP flowpak, Powerbond 25% underdrive. Put 334 to the wheels through a M6 & 4.10. So I don't know what a 90/90 would turn out on just a bolt on car but that is what it has to offer on a stock shortblock car with no cam..
334?? That seems very low to me. I am putting down 346 to the wheels and I am still on the stock LS1 intake and stock throttle body and stock pulley. I wonder why his numbers were so low.
10-09-2008, 02:56 PM
#12
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Didnt seem to low really we run it on a dynojet chassis dyno and put a tune on it...Right where just about every other bolt on only car that has been run there.
10-10-2008, 10:22 AM
#13
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Thread Starter
I see a lot of people are saying LS6 intake here, but I am having a hard time seeing a 78mm intake making more power than a 85/85 set up on my heads and cam engine? 
10-10-2008, 09:32 PM
#14
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I will have to agree with a lot of people here, get the ls6 or save a little more for a use 90/90 setup. Eventually you will want a 90/90 so just wait if you can (I know how it is to be short on budget and wanting to do something right away).
10-11-2008, 09:31 AM
#15
I say go for it. Sure as hell cant hurt. 85mm is going to let more air through than a 78mm, and porting a stocker still leaves you with a 75mm throttle opening. You know what I'm going to do a FTP lid, factory de-screened Z06 maf, and a ProProducts 85mm throttle body into an LS6 intake. I'll get the typhoon or something later. All that is ever recomended on this site anymore is the LS6 or fast combo, pheh, get used to hearing it.
10-11-2008, 09:41 AM
#16
His numbers are quite good actually. It's the auto & the 4.10's that cause his numbers to be less than yours. That's why dynos are for tuning & not talkin'.
10-11-2008, 09:48 AM
#17
Used aluminum Weiand for $200-$300 off e-bay. Open the intake's TB port to 85mm & clean up the internal runners. Also, check Summit for the 85mm TB. I don't recall their price, but remember it to be lower than all others. Stick w/ the stock MAF until you can pay for a tune. The 85mm MAF table should be re-scaled & then checked to see whether or not you run out of frequency. If the 85mm MAf runs out of frequency, then the tuner will need to confirm that the VE tables from the RPM where frequency ends, on up, are correct for WOT fueling.
Another option is to buy an 85mm MAF that has added frequency. I recall a sponsor selling one. Don't remember for sure; might be SLP. This could save you a tune.....maybe. Speak w/ the vendor to make sure. Good-luck & you're on the right track with your plan.
10-11-2008, 01:39 PM
#18
