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gibbo
Fordmods Parts Gopher
Age:19
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 Posted: Sat Feb 16, 2008 4:52 pm Post subject: lots of mods but slow et. |
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im running an el 4.0l with dev 5 cam, shaved tickford head, rebuilt bottem end (40 thou ova), full exhaust, rebuilt auto with cooler, 3000 stall, 3.73 gears n lsd. my best time so far was a 14.9 n yesterday i installed a chiptorque chip with custom tune . my best time was a flat 15.
this is s**t, has any 1 had any trouble like this b4 n could work out what mite b slowing my car down? |
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FordFairmont
Fordmods - Getting Side Ways
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| Posted: Sat Feb 16, 2008 4:57 pm Post subject: |
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what do you mean "should pull 170, 180kw with new computer"?
go to jim mocks dyno and you will have that figure.
maybe convert to manual, or run a high stall in your auto, or fit some semi slicks for the run if traction is an issue. |
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Redford
Fordmods - Getting Side Ways
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| Posted: Sat Feb 16, 2008 5:02 pm Post subject: |
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| id look closer at the tune cos it should be capable of mid 13s, are you having problems with the launch? |
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MMD
Fordmods - Getting Side Ways
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| Posted: Sat Feb 16, 2008 5:21 pm Post subject: |
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Mid 13's big ask from an auto EL....
dev5 is a large cam maybe the stock Head (no porting) is restricting the Cam's flow at high lift.
also did u get a before and after dyno readout with the Chiptorque chip ? |
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Redford
Fordmods - Getting Side Ways
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| Posted: Sat Feb 16, 2008 5:30 pm Post subject: |
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| sorry didnt read, i just figured it was a dev5 head.. dont you need to rebuild the rocker gear to suit the dev5 cam? |
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schnoods
Fordmods - Getting Side Ways
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| Posted: Sun Feb 17, 2008 1:15 am Post subject: |
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What was you 60 ft time? And MPH ?
You may find you might be missing in an area and gaining in others.
I think the stall might be part of the problem, perhaps either launching not well enough or even too well.
You should be able to get the 60ft time to about 2.1-2.3 and the trap speed to be around 160km/hr+. |
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gibbo
Fordmods Parts Gopher
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| Posted: Sun Feb 17, 2008 10:13 am Post subject: |
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| if i stall the car up traction is an issue but if i jus sit there n punch it off the line its not too bad. 60ft time is about 2.3 secs n ova the line is high 140s or 150km/h. all the rocker gear has been rebuilt to suit the cam but the head is still fairly standard, i dunno how much its restricting me but i was still hoping for a mid 14 atleast. the car isnt running how it should ill try n get a dyno run in during the week n c what happens. |
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ef_ridin_low
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| Posted: Sun Feb 17, 2008 10:28 am Post subject: |
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| my mates 5 speed elxr6 has a full dev5 rebuild and he only pulled a pb of 14.59, prob could shave some time off that if he worked on the launch, |
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gibbo
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| Posted: Sun Feb 17, 2008 10:31 am Post subject: |
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| i did 12 runs on friday nite n without a set of slicks my times couldnt realy get any better. if i stall it up with stokies on it wheel spinns for bloody ages but if i jus punch it its not too bad. |
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XH5LWEPN
Fordmods - Getting Side Ways
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| Posted: Sun Feb 17, 2008 10:46 am Post subject: |
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| That 60ft time is really slow for that set-up. I'd be really working on those launches to drop that 2.3sec down to at least a 2.1sec 60ft. Old saying goes, "Drop 0.1 off your 60ft, it'll drop 0.2 off your ET". So in saying that, if you could drop your 60ft down to 2.1 that'd bring your ET down to 14.4, which i'd say would be about right with that MPH your pulling over the line. |
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66 coupe
Fordmods - Getting Side Ways
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| Posted: Sun Feb 17, 2008 11:05 am Post subject: |
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| gibbo wrote: | | i did 12 runs on friday nite n without a set of slicks my times couldnt realy get any better. if i stall it up with stokies on it wheel spinns for bloody ages but if i jus punch it its not too bad. |
try less tyre pressue and check your rear shocks, seems like your not getting a lot of weight transfer happening. |
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gibbo
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| Posted: Sun Feb 17, 2008 11:10 am Post subject: |
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its got pedders sports riders n ultralows in the bak n i was runnin 18psi.
i no i didnt mention this b4 but theres also a big stereo in the boot n a 2.5 tonne tom pack as well. |
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66 coupe
Fordmods - Getting Side Ways
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| Posted: Sun Feb 17, 2008 11:40 am Post subject: |
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| what size tyres? |
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eed-250
Fordmods - Getting Side Ways
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| Posted: Sun Feb 17, 2008 12:55 pm Post subject: |
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| high 140kmh? thats slow... id say its not making the right power, something is wrong.. with that setup u should be over 155kmh atl east |
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XH5LWEPN
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| Posted: Sun Feb 17, 2008 1:51 pm Post subject: |
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| eed-250 wrote: | | high 140kmh? thats slow... |
It sure is..... What gear and RPM are you pulling across the line? |
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Redford
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| Posted: Sun Feb 17, 2008 3:38 pm Post subject: |
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| gibbo wrote: | its got pedders sports riders n ultralows in the bak n i was runnin 18psi.
i no i didnt mention this b4 but theres also a big stereo in the boot n a 2.5 tonne tom pack as well. |
it could be the weight holding the car back, how much do you think the the tow pack and sub box weigh? it only costs a few dollars to put it on a weigh bridge then calculate your power to weight ratio from there.
as far as good weight transfer goes i reckon hard shocks and neoprene (black) bushes on the rear will make a huge improvment with the eta.
this is an old article now, but it shows what the NA is capable of with the right setup.
http://autospeed.com/cms/A_2647/article.html |
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gibbo
Fordmods Parts Gopher
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| Posted: Sun Feb 17, 2008 7:04 pm Post subject: |
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| im runnin 15" stokies n ova line im in third n about 4000rpm i think. ive been drivin all day 2day n its been surging abit n i think its a s**t tune on the chip. the only difference i noticed was no speed limit. it feels like the car runs worse with the chip than it did b4. |
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jrfttf
Fordmods - Smokin em up
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| Posted: Sun Feb 17, 2008 8:39 pm Post subject: |
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| Got a similar setup to yourself apart from the chip torque chip! That thing should pump along better than that! I would be expecting 14's at least! |
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eed-250
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| Posted: Sun Feb 17, 2008 10:09 pm Post subject: |
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| ditch the chip and go aftermarket ecu or eliminator chip, i would say the tune is stuffing u around.. |
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gibbo
Fordmods Parts Gopher
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| Posted: Tue Feb 19, 2008 11:06 am Post subject: |
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| the tune on the chip is dodgy so hav decided to go full motec setup n professionaly dyno'd. |
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