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EL XR8
Fordmods - Getting Side Ways
Age:25
Posts: 2355
Joined: 11 Nov 2004
Location: Melbourne VIC, Australia
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 Posted: Tue Mar 22, 2005 4:56 pm Post subject: |
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Sorry guys but is there any difference between the GT40 or GT40P heads. Also for a complete top end rebuild what the difference in getting a
Crane 2030 and 1.6 Rockers or a Crane 2031 and 1.7 Rockers.
Would you reckon just tuning the car with the original ECU worth it after these had been done or should i spend up on getting a new one.
Dave |
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EDXR8
Fordmods - Getting Side Ways
Age:29
Posts: 1440
Joined: 07 Nov 2004
Location: Adelaide SA, Australia
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| Posted: Tue Mar 22, 2005 5:02 pm Post subject: |
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| GT40P's are basically new designs of the GT40's, better combustion, more power and less emissions. 2030 with 1.6's should give you slightly more power with a very small decrease in idle quality. The stock EEC should cope fine with those mods. Lots of people go for chips but its not really needed IMO, my previous engine was basically ported GT40P heads, Cobra intake, similar cam to the 2030/2031, 24lb injectors etc and it ran fine with no EEC mods. |
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Waggin
Site Admin
Age:25
Posts: 6760
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Location: Sydney NSW, Australia
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| Posted: Tue Mar 22, 2005 5:14 pm Post subject: |
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| GT40 heads arent available on any Aussie fords are they? |
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EDXR8
Fordmods - Getting Side Ways
Age:29
Posts: 1440
Joined: 07 Nov 2004
Location: Adelaide SA, Australia
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| Posted: Tue Mar 22, 2005 5:18 pm Post subject: |
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| Waggin wrote: | | GT40 heads arent available on any Aussie fords are they? |
EB GT and ED XR8 Sprints had them. |
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Jase
Fordmods Stock as a Rock
Age:24
Posts: 183
Joined: 22 Feb 2005
Location: Perth WA, Australia
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| Posted: Tue Mar 22, 2005 5:21 pm Post subject: |
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| Jase wrote: | A mob over here just done a budget 347 build up using GT40 heads. Managed to get them to flow to 550hp. They fitted larger 1.94" intake valves, and ground the s**t put of em
"final flow figures were 245cfm at 700-thou valve lift (tested in 25inches of water) or around 552hp potential" PSC mag
richie, they guys out at allfast torque converters have a car producing about that power with standad stroke. Maybe give them a call? (unless of course thats you  ) |
Thats ment to say GT40P too fellas, sorry. |
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neil101
Fordmods - Smokin em up
Age:27
Posts: 241
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Location: kellyville NSW, Australia
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| Posted: Tue Mar 22, 2005 5:38 pm Post subject: |
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Gt40ps are on SII AU's and maybe SI not sure of that though.
200rwkw is the most you'll get out of a 5ltr with a decent idle? Your not trying very hard you should be able to easily get 260rwkw and still have a streetable idle.
I know a guy who has trickflow heads and manifold and trickflow stg 1 unichip with 2800 stall idles is rocky but not outragous can sit in trafic and not stall doesn't overheat and last time it was dyno'd pulled 255 at the treads with a stock bottom end.
Neil |
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EDXR8
Fordmods - Getting Side Ways
Age:29
Posts: 1440
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Location: Adelaide SA, Australia
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| Posted: Tue Mar 22, 2005 5:43 pm Post subject: |
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| neil101 wrote: | Gt40ps are on SII AU's and maybe SI not sure of that though.
200rwkw is the most you'll get out of a 5ltr with a decent idle? Your not trying very hard you should be able to easily get 260rwkw and still have a streetable idle.
I know a guy who has trickflow heads and manifold and trickflow stg 1 unichip with 2800 stall idles is rocky but not outragous can sit in trafic and not stall doesn't overheat and last time it was dyno'd pulled 255 at the treads with a stock bottom end.
Neil |
I would like to see they dyno graph for that one, I have seen several similar combos pull around 210rwkw, and strokers with that gear pulling 240rwkw. He either had a lot more work done or thats one inaccurate dynon (or they got rwkw and rwhp the wrong way around as that is at least a more realistic figure). |
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EBXR8380
Fordmods - Getting Side Ways
Age:55
Posts: 2511
Joined: 07 Nov 2004
Location: Penrith NSW, Australia
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| Posted: Tue Mar 22, 2005 8:37 pm Post subject: |
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What trick flow heads ?? There are so many..
I'd say they maybe either Hi ports or R series???
Though I know of engines with this much power..But run close to 10.5 to 1 compression..Cam and good tuneing he gets away with it...with 98 fuel... |
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Trick Flow EL
Fordmods - Smokin em up
Age:39
Posts: 228
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Location: Sydney NSW, Australia
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| Posted: Wed Mar 23, 2005 7:59 pm Post subject: Re: trickflow kit |
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| gunit18 wrote: | Does anyone know where i can purchase the trickflow kit for an el 5ltr? I also need a place around melbourne metro to fit it aswell. I am leaning towards this kit rather than buying the gt40 heads and explorer manifold bcoz of the postings in this forum. But anyone who has a trickflow kit on their 5ltr or gt40 etc and has any feedback about it, i would like to hear it b4 i buy.
Thanks |
Give High Performance World in Parramatta a call 02 96302333.
Mick Webb,Jim Mock dunno any others down there.
I only have the TFS Twisted Wedge heads and 1.7 rockers on the motor now and last 2 dyno runs are listed below in my signature.
Dont have a 1/4 mile time yet. |
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gunit18
Fordmods - Getting Side Ways
Age:22
Posts: 417
Joined: 01 Dec 2004
Location: Noble Park VIC, Australia
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| Posted: Sun Mar 27, 2005 3:45 pm Post subject: |
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So do you think it is worth buying the trickflow kit, if im not going to stroke my engine? Or just buy the gt40 heads for $1000 and buy manifold etc? I dont really know which option will work out cheaper, but more effective power wise.
Thanks |
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Trick Flow EL
Fordmods - Smokin em up
Age:39
Posts: 228
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Location: Sydney NSW, Australia
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| Posted: Sun Mar 27, 2005 8:01 pm Post subject: |
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Well initially I put on the TFS Twisted Wedge heads,street inlet manifold and 1.7 rockers on my auto EL2 XR8 with a cat back exhaust.
The first thing that I noticed was there was more power from 3000rpm through to 5500.I did lose some torque down low and after 2 years I swapped the inlet manifold back to the explorer and now there is a heap more torque at low revs and no change in power at high revs.There is a pic of my Canberra dyno run in my gallery.
With the TFS heads, you need roller rockers, longer,hardened pushrods,taller rocker covers if you use TFS rockers,a phenolic spacer to raise the upper manifold to clear the taller rocker covers(unless you use Crane gold roller rockers as their posi locks are not as tall as the TFS rockers)
The GT40 option will work out cheaper than the TFS option as you do not need the more expensive rockers,phenolic spacer,longer,harder pushrods and taller rocker covers.
The advantage with the TFS heads are lighter weight and better flow.
Hope this helps you out. |
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gunit18
Fordmods - Getting Side Ways
Age:22
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Location: Noble Park VIC, Australia
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| Posted: Mon Mar 28, 2005 2:50 pm Post subject: |
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so you aint loosing much power at all, using the explorer manifold or gt40p heads. A guy is selling gt40p heads with valves and springs for 1200ono, think this is reasonable? They're off a au2 fairlane. or invest in an au2 xr8 engine for 2250 and sell my el 5ltr?
Thanks |
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EBXR8380
Fordmods - Getting Side Ways
Age:55
Posts: 2511
Joined: 07 Nov 2004
Location: Penrith NSW, Australia
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| Posted: Mon Mar 28, 2005 10:42 pm Post subject: |
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In that case...The latter....
However the complete TFS package should yield around 200 or so rwkw...Including 76mm maf |
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gunit18
Fordmods - Getting Side Ways
Age:22
Posts: 417
Joined: 01 Dec 2004
Location: Noble Park VIC, Australia
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| Posted: Wed Mar 30, 2005 1:32 pm Post subject: |
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im still on my P's, so the xr8 engine swap i can't do bcoz of insurance. I am going the gt40p's, with edelbrock performer or explorer manifold. i am getting the crane 2030 cam with 1.6 rockers. What other parts do i need to make my top end complete - like springs, valves etc?
also, would i get any money at all from selling my e7's and manifold, or its not worth it?
Thanks a lot |
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Jase
Fordmods Stock as a Rock
Age:24
Posts: 183
Joined: 22 Feb 2005
Location: Perth WA, Australia
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| Posted: Wed Mar 30, 2005 6:28 pm Post subject: |
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i woulda though if you put the orig engine cover back on the XR8 engine wouldnt really be noticeable?
Same block n all
...Only seen 1 au XR8 eng but, that was a while ago |
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One Drone
Fordmods - Getting Side Ways
Age:22
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Location: Penrith NSW, Australia
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| Posted: Wed Mar 30, 2005 6:41 pm Post subject: |
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I'd imagine no one would buy E7 heads and HO manifold. Better used as paper weights as other have suggested.. If you had nothing better to do, you could attack them and do a home port jobby for fun.  |
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EBXR8380
Fordmods - Getting Side Ways
Age:55
Posts: 2511
Joined: 07 Nov 2004
Location: Penrith NSW, Australia
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| Posted: Thu Mar 31, 2005 12:18 am Post subject: |
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| If you are worried about insurance...Don't fit differant manifold....They stand out like dogs nuts.... |
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gunit18
Fordmods - Getting Side Ways
Age:22
Posts: 417
Joined: 01 Dec 2004
Location: Noble Park VIC, Australia
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| Posted: Fri Apr 01, 2005 5:01 pm Post subject: |
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Now that im going ahead with the top end build, where can i get the job done around melbourne? anyone know of any engine builders that can do this and can give good and honest info, and ideally know the windsor engines? any hints on the price tag of this job - heads, manifold, cam, springs etc?
Thanks |
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dalesf150
Fordmods Stock as a Rock
Age:29
Posts: 183
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Location: berwick VIC, Australia
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| Posted: Thu Apr 07, 2005 5:11 pm Post subject: intake selection holley |
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| Heve herd about an holley manifold thats mates to the stock upper. as apearently the ho lower is the main restriction. only found a small article on this and the listing on the holley website. I understand the manifold will be less than $500 and would be very hard to pick. but I havn't seed any comparrisons of it if anyone's used it or herd about it I'm interested. |
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