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| mrmivec69 |
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verable lenght manafold?? can any alterations be made to it to improve power just wondering
_________________ 1995 ef fairmont i6 4.0 |
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| ebxr82nv |
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I'll assume your talking about the broad band manifold, and yes you can it's called extrude honing. It's only really worthwile doing if you've done everything else there is to do.
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| mrmivec69 |
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so wouldent un pluging it do the same thing
_________________ 1995 ef fairmont i6 4.0 |
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| skidder |
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you're joking?
_________________ EVL098 wrote: Cramping in the hand from having it on your Wang for an excessive period of time is a definate con. Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays? AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone. |
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| xr6eat 50 |
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if you are really keen. The worst spot on the manifold is just under the butterflies. there is about a 2-3 mm lip form the factory machining, where the tool has bored the casting for the butterflies to fit, you will see it. Smooth that out and get rid of all the cast marks inside and you will make it flow better. But that is something you would do to a VERY SERIOUS motor, there are a tone of things to do to the motor first. As for unplugging the vacume, that will loose you alot of low down torque, not a good idea! Put a mandrel bent air intake, quality filter, second intake into the air box (if you still want to use it) to start.
_________________ EF XR6 Manual 271RWHP/199RWKW N/A using Stock manifold with dual plane runners still operating. EFI Hardware 6TBM to come mid year. |
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| ebxr82nv |
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That will only stop the long runners from opening. Extrude honing smooths the casting dags and other rough surfaces that slow the flow of air.
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| xr6eat 50 |
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extrusions honing is exy though they quoted me $300 to do mine, and i have read to many articles where people have tested it,not on falcons though, and seen no improvement. there was a vn build up done a while back where they yested everything they did to the car at the 1/4 and they saw absolutely no difference. i have cleaned mine by hand and gone the HPC rout.
_________________ EF XR6 Manual 271RWHP/199RWKW N/A using Stock manifold with dual plane runners still operating. EFI Hardware 6TBM to come mid year. |
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| skidder |
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I remember someone on here saying they adjusted the butterflies so that they opened completely parallel to flow (as apparently they only partially open - I have never looked to see if this is the case).
Apparently this was better up top (but there was no results apart from bum-o-meter), until I test it I will be unconvinced though.
_________________ EVL098 wrote: Cramping in the hand from having it on your Wang for an excessive period of time is a definate con. Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays? AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone. |
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| ebxr82nv |
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I wouldn't mind finding out who and how.
_________________ 9/98 AU1 XR6hp-about to retire from the road and be reborn on the race track. |
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| xr6eat 50 |
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I have my BBM in two pieces right here infront of me and the butterflies are sitting fully open. under vac they shut fully, so i am not sure what the go is with old mate messing with his. If anything mine open to far ever so slightly.
I would like to know the story behind that??????
_________________ EF XR6 Manual 271RWHP/199RWKW N/A using Stock manifold with dual plane runners still operating. EFI Hardware 6TBM to come mid year. |
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| skidder |
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are the butterly's at much of an angle (either before or after fully open) or parallel to airflow when fully open? Maybe if it goes too far past it was adjusted so it only opened the right amount?
meh, fingers me....I remember being pretty skeptical about it at the time, hence not paying attention to details 
_________________ EVL098 wrote: Cramping in the hand from having it on your Wang for an excessive period of time is a definate con. Seriously do people google "f**k up modifications for Fords owned by Jews" and get linked straight to this site nowadays? AU,factory fitted tickford kit/IRS, t5,Sports ryder/KYB: gone. |
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| fiftyone |
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if intake is your thing, get a couple of 3 inch pipes and run them to the airbox then grab a 68mm throttle from the group buy
_________________ ** For Sale ** http://www.fordmods.com/ford-parts-for-sale-f17/assorted-e-series-parts-t124697.html |
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| fordfreak ef |
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extrude honing the intake would be one of the last mods you would do to chase power..
stick to a.. after market camshaft.. extractors.. 2.5 inch cat back exhaust.. cold air intake.. 3 inch mandrel bend intake to the throttlebody.. |
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| xr6eat 50 |
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I totaly agree with you on that. it is an extreme length. I have a six throttle body set up for mine as well but i can't use it till i go a full aftermarket ecu. that won'tr be this year. i can't wait to see how responsive it will be with them on it, i know it will loose low down but i am not concerned about that and i can play with runner lengths and trumpet lengths to find the sweet spot.
_________________ EF XR6 Manual 271RWHP/199RWKW N/A using Stock manifold with dual plane runners still operating. EFI Hardware 6TBM to come mid year. |
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| EL__Fairmont |
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Here's a ported BBM for sale. Look at the pics
http://cgi.ebay.com.au/Ported-Broad-Band-Manifold-BBM-EF-EL-AIR-INTAKE-FORD_W0QQitemZ220361093010QQcmdZViewItemQQptZAU_Car_Parts_Accessories?hash=item220361093010&_trksid=p3286.c0.m14&_trkparms=66%3A2|65%3A1|39%3A1|240%3A1318
_________________ 97 EL Fairmont 4l OHC .Silver. |
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