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Old 02-13-2003, 20:37   #1 (permalink)
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73mm Vortech MAF questions

Has anyone had any experience with Vortech Mass air meters ?
I think that I am at the point where the standard 55mm MAF is the most restrictive part of my induction system, and am looking at the Vortech 8A301-023, which as I understand are the same as the C&L MAF, just cheaper (about $US 125). This is a flanged 73mm MAF, to suit 94-95 Mustangs, and looks as if it will fit the Aussie Ford V8 airbox. Looking at some of the US webpages, some (but certainly not all) guys seem to have poor idle and other issues with these compared to the Pro-M brand (which is much dearer). If anyone has used these here, have you had any troubles with them ?
What sort of an increase in power did they provide ?
Also, where did you buy it from? Summit has these, and I was quoted around $US 75 for handling and delivery, so was wondering if anyone has imported these cheaper.

Thanks for any information
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Old 02-13-2003, 20:56   #2 (permalink)
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I just got the Pro-M 75mm and can't fault it. Many people have drivability issues with the C&L ones in the states, but a lot are happy with them. VPW (www.vpwmailorder.com) in melbourne have both the C&L and Pro-M/GMS meters. I don't know the price of the C&L, but was told it was quite a bit cheaper than the Pro-M at $600.
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Old 02-13-2003, 21:13   #3 (permalink)
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What sort of an improvement did you notice with the larger MAF ?
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Old 02-13-2003, 22:36   #4 (permalink)
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Judging by what I see on Corral BOTH can have troubles either way.I went from std to 70mm Ford Cobra.It made heaps of difference.Mind you heads, inlet, injectors,eec,t/b where done at the same time..Just make sure it;s calibrated to your injectors.. Vortech do seem to make em slightly richer due to usually being fitted to a blown mill= Vortech blower!!!
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Old 02-13-2003, 23:27   #5 (permalink)
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I did mine with heads, injectors, intake and cam as well so I don't know what the MAF was worth alone. I was told a 70mm one was worth around 10kw on a 190-200kw motor. You probably don't need a larger one untill you reach around 120-130rwkw.

If you go for the Pro-M one, you really need to upgrade injectors at the same time otherwise you are stuck with the 19lb's. With the C&L, you can change the sample tubes when you upgrade injectors.
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Old 09-04-2003, 19:45   #6 (permalink)
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confused

I know I'm dredging a little, but will the 8A301-021 ( Vortech 73mm ), suit an EL XR8 ? Link is http://store.summitracing.com/partde...VOR%2D8A001022

They reckon they're for 88-93 stang's. I'm not sure if those stangs were running eec-IV or eec-v - but then again, will that matter ? ( Not sure if MAF's were different between 4 & 5 )... So - different ? or the same and suitable ?
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Old 09-04-2003, 20:11   #7 (permalink)
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Yeah it will be fine, the '88-'93 mustang 5.0L is basically what you find in the EB-EL XR8's.
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Old 09-04-2003, 20:22   #8 (permalink)
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woot!

A ordering I will go ! :)

thanks mate
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Old 09-04-2003, 20:28   #9 (permalink)
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Re: 73mm Vortech MAF questions

So I'm assuming it would be better to do your injectors at the same time as your MAF?
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Old 09-04-2003, 20:53   #10 (permalink)
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*nods*

Yup. Altho the particular model I'm going to buy uses sample tubes - meaning you can change them for different injectors. While this isn't the best setup ( not entirely as accurate as getting one that is specifically configured for one injector level), it offers great flexibility if you change your setup.

I'm prolly going to try and source some 24lb injectors and order the 24lb compatible one . . . Time to call some Mitsu wreckers I guess :)
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