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CEG\'er
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I keep reading people refer to their UIM and single or dual hone. All SVT UIM manifolds were single hone, via the same spec, from the factory and flow in the low 170 cfm range. Where did the idea originate that some SVT have dual hone UIM's?
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Joined: Jun 2001
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Hard-core CEG\'er
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Hard-core CEG\'er
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Jeff,
In reply to your post in the GB. You are correct about the Heads being EH more than the 98s. In addition, however, the UIM had a second EH Pass, hence the DH expression.
In addition to the Returnless Style, the Compression was increased in 2000 from 10:1 to 10.25:1
- Zack
WANTED: T-Red HEATED Side Mirrors
FOR SALE: 4 14" Alum Alloys and Nearly New Avid H4s Tires w/ Center Caps
2000 T-Red SVT
1995 LX V6 MTX (RIP)
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Hard-core CEG\'er
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Hard-core CEG\'er
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Originally posted by Derk2000:
Originally posted by EvlBill:
Hrm, not quite the numbers I was hoping for.
It has been pointed out to me that while ~13 cfm isn't much of a rate increase for us dual honed folks, we're still getting more volume out of the UIM. This is a good thing. 
I was very interested when the numbers were predicted to be 200+ CFM but at a maximum 193 CFM (13 CFM over stock DH SVT) does not sound like very much in the HP department. How much HP can one expect from only a 7.2% increase in UIM flow on a typicaly modded 2000 SVT...1-2HP, 5-10HP ?
Just not sure if it is really worth the hassle or the money. Maybe DemonSVT or one of the other experts can answer this quickly since we are running out of time.
Sorry for the double post but thim may be better off asked here instead of the GB forum.
Thanks,
Scott
Scott
2000 Contour SVT #1464
Mustang Dyno: 171.6hp/145.3lb
Dynojet Dyno: 171.1hp/148.9lb
1989 20th Anniversary Turbo T/A "Indy 500 Pace Car"
#1376 of 1550 All Original, 46k with a few mods 
2002 F150 SuperCrew
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Scourge of the Master Debaters
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Scourge of the Master Debaters
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Originally posted by svtjeff:
I keep reading people refer to their UIM and single or dual hone. All SVT UIM manifolds were single hone, via the same spec, from the factory and flow in the low 170 cfm range. Where did the idea originate that some SVT have dual hone UIM's?
I think it came from some oddball website, http://www.svt.ford.com ...
Quote:
The '99 model year meant more horsepower for the SVT Contour, increasing it to an even 200. This was accomplished through more aggressive use of the Extrude Hone Powerflow process. The EEC-V module was also recalibrated for increased torque.
Beer is my Gatorade.
Hooray Beer.
'98 "Sport" Pacific Green
'98 E0 SVT Silver Frost
Pictures
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Hard-core CEG'er
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Hard-core CEG'er
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Originally posted by svtjeff:
I keep reading people refer to their UIM and single or dual hone. All SVT UIM manifolds were single hone, via the same spec, from the factory and flow in the low 170 cfm range. Where did the idea originate that some SVT have dual hone UIM's?
Sheesh yet another completely incorrect post from you...  'nuff said
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Joined: Sep 2000
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Hard-core CEG'er
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Originally posted by scottd60:
I was very interested when the numbers were predicted to be 200+ CFM but at a maximum 193 CFM (13 CFM over stock DH SVT) does not sound like very much in the HP department.
How much HP can one expect from only a 7.2% increase in UIM flow on a typicaly modded 2000 SVT...1-2HP, 5-10HP ?
At only 13cfm increase (which I also agree is very low over a DH and backs my statement a DH in the GB likely gets nothing but port matching) it will show about the same gains as a DH over a SH. ~3FWHP & TQ on a moderately modified SVT.
The less modifications and other SVT parts the less the gains. (Just like any other modification!)
Of course any 3L will show "roughly" twice the gains because of the nice increase in port volume to accompany the small overall port increase (7% is under 1mm increase in port size though  )
Any FI car will show good gains too since a less restrictive UIM will allow more cfm flow at the same boost. (i.e. more efficient and less heat)
If you already have a DH UIM you "probably" do not want in on this group buy. (though honestly ~3/3 at the wheels is not a bad gain at all for the price & the folks that do want in already know it themselves)
Talk to EH directly and see what they can/will do for you. Yes the price will be higher but if they agree to help you the results will be much better. 7% beyond a DH is a long way from the limits of the UIM.
For the other folks getting an UIM 7% better then a DH for this low of a price is unheard of.
Also folks that have little or no mods. DO NOT get pissed when you get in on the GB and you don't "feel" your numbers skyrocket. It takes more then just a good UIM to make power gains. It is all based on your engine's efficiency and current state of modifications.
(Disclaimer after hearing countless folks whine about "feeling" little or no gains from adding just a DH UIM on a mild non-SVT - What a shock!  )
For instance the first thing everyone in this GB should do is get an RLIM if the don't have one already. It's a waste if you don't!!!
Then 60mm TB for 2.5L and 65mm for 3L.
Then a great exhaust. (really should have this already)
Then... Everyone gets the point I hope...
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Hard-core CEG'er
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But Demon don't you want them to learn the hard way??? 
06 GMC Sierra 2500HD Dmax/ally
06 Pontiac G6 GT
05 CRF250R
FOR SALE 06 KX65 with riding gear $2700 obo
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Hard-core CEG'er
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RLIM? Sp spa spell that one out for me, would ya? 
Derek
Scion xB 5-spd
Previous: 2000 Silver Frost SVT
Please share the road with cyclists.
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I am Canuckian
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I am Canuckian
Joined: Jul 2001
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Originally posted by Derk2000:
RLIM?
Sp spa spell that one out for me, would ya?
Taking a stab here but I'm thinking Return(less) UIM. 
Green 96 mystique gs 4cyl mtx
16.9 in the 1/4 mile @102500 miles
95SE in Midnight Red MTX
MSDS headers and y-pipe
SVT exhaust
SVT UIM
Optimized se TB.
Full pre 98 SVT body kit
15.741 @ 87.73mph :)
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Hard-core CEG\'er
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regular, to take the place of yours while it is gone
98.5 Black SE ATX
S&B filter, SVT MAF, optimized SVT TB, mesh grille, removed orange reflectors, painted rear reflector, gutted pre-cats, optimized SVT LIM, 19lb injectors, resonator removed
cant afford an svt but lookin for 1 in nc
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