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New Cam since mass air change

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Old 03-25-2015, 01:19 PM   #1
87 T TOP GT302
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Default New Cam since mass air change

I recently converted my 87 GT to mass air. For those whom have not done this yet and don't think there is much difference trust me there is a world of difference. Difference in idle ,the way it runs just a big difference.
My question is one where I'm hoping to get many responses .
I'm looking to change the cam since with mass air I can add a larger cam. I looking at the B & E303 Cams, N21 & N41, and also the Steeda #18 . I want to keep the 1.7 rr as well.
Any ideas or suggestions will be appreciated.
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1987 GT W/T Tops 5.0 With ported/93 COBRA Heads W/1.7 RR . Professional Products intake w/70mm T/B Lunati 501A1LUN cam 272/282 duration and 477 lift but 506 wit 1.7rr 1 5/8 Mac equal length shorty headers W/ 2.5 full exhaust and Flowmaster super 40's, BBK underdrive pullies ,Had 2.73,3.55,4.10 ,and current 3.73 gears with aluninum drive shaft.Just added 24lb injectors.
New just converted to Mass Air -what A Difference. Runs the best ever with NO idle issues.

Last edited by 87 T TOP GT302; 03-25-2015 at 04:04 PM.
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Old 03-26-2015, 06:50 AM   #2
mjr46
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cam choices vs what you have won't really net to any real hp also expect to change valve springs as well with any cam change.
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Old 03-26-2015, 07:40 AM   #3
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I had new valve spring installed when I had the heads ported back in 2009. The kit I had installed for up to 542 lift. I know that was 6 years ago but I drive the Mustang very little . Probably less than 1000 miles , if that, since work completed.
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1987 GT W/T Tops 5.0 With ported/93 COBRA Heads W/1.7 RR . Professional Products intake w/70mm T/B Lunati 501A1LUN cam 272/282 duration and 477 lift but 506 wit 1.7rr 1 5/8 Mac equal length shorty headers W/ 2.5 full exhaust and Flowmaster super 40's, BBK underdrive pullies ,Had 2.73,3.55,4.10 ,and current 3.73 gears with aluninum drive shaft.Just added 24lb injectors.
New just converted to Mass Air -what A Difference. Runs the best ever with NO idle issues.
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Old 03-26-2015, 10:49 AM   #4
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the whole "lift up to xxx" criteria for what springs to use for x, y or z cam choices is a misconception....there is more to choosing a spring than max lift as the end all be all spec.
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Suggest having a conversation with the highly INEXPERIENCED clowns....D.R the Dork, THE BarnyYard smells like......again and finally staring the highly intelligent and I must say skilled Eutard! UH where did de' go George
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Old 03-26-2015, 11:07 AM   #5
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Below is the spring kit I went with


1979-95 Ford Mustang 5.0 5.8 Trick Flow Valve Spring Upgrade Kit For OE Style Cast Iron Heads by Trick Flow



Trick Flow Mustang Trick Flow Valve Spring Upgrade Kit For OE Style Cast Iron Heads (79-95) 5.0 5.8



Trick Flow Mustang Valve Spring Upgrade Kit For OE Style Cast Iron Heads (79-95) 5.0 5.8 2500100


Upgrade your valve springs with this Trickflow valve spring upgrade for 1979-95 Mustang 302!
Item #TFS-2500100



Everyday Low Price: $169.99



 I
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1987 GT W/T Tops 5.0 With ported/93 COBRA Heads W/1.7 RR . Professional Products intake w/70mm T/B Lunati 501A1LUN cam 272/282 duration and 477 lift but 506 wit 1.7rr 1 5/8 Mac equal length shorty headers W/ 2.5 full exhaust and Flowmaster super 40's, BBK underdrive pullies ,Had 2.73,3.55,4.10 ,and current 3.73 gears with aluninum drive shaft.Just added 24lb injectors.
New just converted to Mass Air -what A Difference. Runs the best ever with NO idle issues.

Last edited by 87 T TOP GT302; 03-26-2015 at 11:10 AM.
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Old 03-28-2015, 06:56 PM   #6
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Quote:
Originally Posted by 87 T TOP GT302 View Post
I recently converted my 87 GT to mass air. For those whom have not done this yet and don't think there is much difference trust me there is a world of difference. Difference in idle ,the way it runs just a big difference.
I'm going to have to do this eventually too. Good to hear it made a worthwhile difference.

How much would you estimate it cost total? I know that I'll need a computer, the wiring kit to splice in, and of course a mass air meter. Is there anything else required?

As far as the cam, it seems like the consensus around here is that if you're going through the hassle of changing cams, the B and E cams aren't worth the trouble for the slight gains you'll see. Check out something a bit more radical, I like Comp Cams personally. I've always had good luck with them on other builds.

Thanks, and sorry for the slight hijack.
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Old 03-30-2015, 12:38 PM   #7
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Fiveology racing is where I ordered my mass air conversion. It is a complete kit that comes with computer mass air meter wiring kit plus instruction.
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1987 GT W/T Tops 5.0 With ported/93 COBRA Heads W/1.7 RR . Professional Products intake w/70mm T/B Lunati 501A1LUN cam 272/282 duration and 477 lift but 506 wit 1.7rr 1 5/8 Mac equal length shorty headers W/ 2.5 full exhaust and Flowmaster super 40's, BBK underdrive pullies ,Had 2.73,3.55,4.10 ,and current 3.73 gears with aluninum drive shaft.Just added 24lb injectors.
New just converted to Mass Air -what A Difference. Runs the best ever with NO idle issues.
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