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post #1 of 16 (permalink) Old 03-30-01, 01:47 PM Thread Starter
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Different XR8 models - letter from Tickford

Hello All,

Everyone I ask seems to give me a different answer as to the components that Tickford upgraded on the EL series II XR8 as well as AUI and AUII XR8 and T-series vehicles. So I decided to get it straight from the horse's mouth. Maybe others might find it interesting:


Thanks for your correspondence.
The revisions to the EL II XR8 included Explorer upper and lower intake
manifolds, extractors and sports exhaust resulting in 185kw.
The manifolds were carried over into all AU 5.0L V8 engines, bringing them
to 175kw. To this the XR8 added extractors and exhaust to obtain 185kw.
The AU I TE50 and AUII XR8 200kw engines add to this a new camshaft, roller
rockers, larger air intake, and modified computer.
The T-Series 220kw engine adds to this a different camshaft, aluminium
Motorsport heads, 70mm throttle body, ported upper and lower manifolds,
higher fuel pressure (via regulator) and an oil cooler.

We don't retail any parts, but most or all of these parts should be
available through any Ford Dealer Parts department. For genuine Ford
Motorsport components, you may want to contact SVO on (07) 3891 2887.

Tony Chesterman
Customer Technical Assistance
Tickford Vehicle Engineering
Phone: (03) 9300 7100

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post #2 of 16 (permalink) Old 03-30-01, 01:55 PM
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Some good info here hehehe :) I'm surprised there's no mention of the GT40P heads anywhere though.. hmm.. thoughts?


post #3 of 16 (permalink) Old 03-30-01, 04:11 PM
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ok you know i have to put my two cents worth in....... they forgot to tell you AII and Tseries I and II have 24psi injectors, sequential injection and different exhaust systems.

What I want to know is if EL II has explorer 5.0 upper/lower than what was the straight runners off the EL I and before - me thought that was the explorer mainfolds.

post #4 of 16 (permalink) Old 03-30-01, 05:22 PM
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Yeah, what gives with the GT40p heads? I think another email is in order.

As for SEFI, that has been a feature of the 5.0L since the engine featured in the EB.

The old inline manifold was just called the stock 'HO' manifold by the yanks. Since their Mustangs never saw the newer version of the staggered intake as used on the 97> Explorers the name has stuck.
post #5 of 16 (permalink) Old 03-30-01, 09:50 PM
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That Manifold is as close as you would get to the [93 Cobra r Mustang] Cobra/Gt 40 Manifold From S.V.O.Infact the Gt 40 top[G.T] part will bolt straight on to the Explorer bottom!Need different length bolts in centre esp.
post #6 of 16 (permalink) Old 03-31-01, 07:13 AM
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I was told the sequential injection came on AU's. But what do i know, as far as I know the EL's dont have it, just a fuel saving feature :) and as for manifolds, the "HO" written on the upper was on the stangs that didnt get the stock carb back then(?). This was what i was to believe. I know you guys will correct me here if I am wrong.

Mike if you are gettign new heads ill have your old cast ones.

post #7 of 16 (permalink) Old 03-31-01, 08:52 AM
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The 6s certainly didn't get sequential injection until the AU but the 8s did. The cylinder balance test you can run during the the engine running test would require it to shut off individual cylinders.

As for the HO name that was just a way to differentiate the Mustang engine from other vehicles also running a 5.0. Boat anchor is as good a name for the stock intake as any. :)
post #8 of 16 (permalink) Old 03-31-01, 12:38 PM
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And Kon, if you're getting rid of your throttle body and MAF, I'll have them :)
post #9 of 16 (permalink) Old 03-31-01, 08:10 PM
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Ahh but Mike your not getting his Airbox lid and 70mm MAF adaptor plate.. that is mine......... mine mine mine :)~~
post #10 of 16 (permalink) Old 03-31-01, 08:44 PM
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All 5Ltr's are sequential e.f.i. here.
You can hear them work one at a time.Not bank as the earlier g.m. product.
The H.O [high output]BACK then made more power than the carb motor.How technology has changed.The small m.a.f doesn't help either on earlier 5 Ltr.
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