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BF GT Cobra laggy on take off 

 

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 Post subject: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 1:24 pm 
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Hey guys,

Recently picked up a BF GT Cobra (see attached). It feels a bit sluggish on take off.. is this a common thing on the BF GT's? Compared to my father inlaws VZ SS ute... The cobra feels like a slug (although it felt quick when I bought her) despite her 302kw and 540nm.

It also feels like it hesitates when applying throttle. Eg the engine sounds like its assending in rev and then it platos out.. so you have to take your foot off a bit and then hit it again to make it rev. Even in sports shift.

It's done 4500km and I understand the engine probably isnt warn in yet. But I cant help but think its not right.

Booking it in for a service with Ford next week.. but thought I would ask you guys. I am unfamiliar with these engines.

 

 

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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 1:54 pm 
Getting Side Ways
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These engines wont have as much grunt down-low as the 5.7 or 6.0l engines. They seem to get up an boogie from 3000rpm an up. I would see what Ford says and go from there. A tune would bring the GT to life though

 

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EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come

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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 2:01 pm 
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GeZza200 wrote:
These engines wont have as much grunt down-low as the 5.7 or 6.0l engines. They seem to get up an boogie from 3000rpm an up. I would see what Ford says and go from there. A tune would bring the GT to life though


Hey thanks man, yeah it does pull damn hard when you get it up in the revs - I found to get that "gods hand into the seat) is in the 4000 range and upward. I will ask Ford. It's never had a service, so I'm hoping for a surprise. Maybe a chip and a new exhaust, SS induction intake might help her bottom end.
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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 2:58 pm 
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No chips. Do a search for SCT 3or Xcal3. the sky is the limit.

 

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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 3:18 pm 
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dc_todd wrote:
No chips. Do a search for SCT 3or Xcal3. the sky is the limit.


Hey thanks man. Used to my old ELs. Will check them out.
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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 3:20 pm 
Getting Side Ways
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only thing that will help the bottom end on a boss motor is a PD charger

 

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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 3:21 pm 
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Benny D wrote:
only thing that will help the bottom end on a boss motor is a PD charger


Sorry, PD Charger?
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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 3:22 pm 
Getting Side Ways
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rwoodhams wrote:
Benny D wrote:
only thing that will help the bottom end on a boss motor is a PD charger


Sorry, PD Charger?


Positive Displacement Super Charger, the tune will pick up bottom end power and if you do intake an exhaust that can only help.

 

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EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come

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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 3:27 pm 
Getting Side Ways
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was this the cobra that was for sale at lynford or somthin?
or was it private.

 

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BA XT V8. Ice Mint. 18" Speedys. XR6T LSD. Full Pacemaker twin 2 1/2inch Stainless Steel system. Custom CAI. Black XR interior with white trimming. Powerbond underdrive kit 25%.
13.65@102mph. 2800 hi-Stall.
230RWKW@5250 rpm. 625NM.

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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 3:37 pm 
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Benny D wrote:
was this the cobra that was for sale at lynford or somthin?
or was it private.


No picked it up from a family friend. He had three BF Cobras (two utes and the sedan. one ute and sedan was auto and the other was manual) He has two that I can see XC cobra's in various states of repair as well.

 

 

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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Wed Feb 22, 2012 3:38 pm 
Getting Side Ways
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wo. thats wicked... oh and i loooove the XC cobras :P :mrgreen:

 

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BA XT V8. Ice Mint. 18" Speedys. XR6T LSD. Full Pacemaker twin 2 1/2inch Stainless Steel system. Custom CAI. Black XR interior with white trimming. Powerbond underdrive kit 25%.
13.65@102mph. 2800 hi-Stall.
230RWKW@5250 rpm. 625NM.

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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Thu May 03, 2012 11:52 pm 
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Get a flash tune done on it helped my BF GT bottom end heaps was sluggish now very happy with it got it done at BPT in perth bought a sniper tuner and software from them havent looked back..
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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Thu May 10, 2012 3:18 pm 
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Jonnymac39 wrote:
Get a flash tune done on it helped my BF GT bottom end heaps was sluggish now very happy with it got it done at BPT in perth bought a sniper tuner and software from them havent looked back..


Hey man cool!..

I had the cobra dyno'd at 254 rwkw at Kwinana Performance. I asked them about a tune and they rekon its not worth doing! But then I had a mate tell me not to take the car there as they were shonky operators. I've heard good things about BPT though!
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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Thu May 10, 2012 3:50 pm 
Getting Side Ways
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GeZza200 wrote:
wont have as much grunt down-low as the 5.7 or 6.0l engines.


holden 8's..... low down grunt?

typo maybe?
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 Post subject: Re: BF GT Cobra laggy on take off
Posted: Thu May 10, 2012 4:04 pm 
Getting Side Ways
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Age: 29

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Ride: 98 EL Futura

Power: 199 rwkw

Location: Lilydale
VIC, Australia

there got a s**t more than the 5.4l. I reckon some NA 4cyc would give the 5.4l a run for its money on take off.

 

_________________

EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come

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