harvey gibbs 450bhp engines are they good?
20-08-2009, 11:41 PM
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just joined today as i have been up to harvey gibbs at scs and paid 4grand off my cosworth engine it has been built and tuned to 412bhp i was expecting the 450bhp mark. has anbody had one done by harvey or been in one built by harvey gibbs would realy like to hear your comments. thanks.
21-08-2009, 12:02 AM
#43
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The T38 is a bit of an odd turbo IMHO, makes the power but Torque is appalling compared to a T34 or T4..
Never used harvey for anything big myself, but did a good job on my mates saff, and did a nice job on my big wing sump. At the end of the day you are dealing with very highly tuned 2.0 engines here, anything over 400BHP will have problems at some point or another, no matter how careful the build. It is just a fact of life IMHO, and I would certainly trust SCS with my car, and I am a total nutral in this situation.
...
Never used harvey for anything big myself, but did a good job on my mates saff, and did a nice job on my big wing sump. At the end of the day you are dealing with very highly tuned 2.0 engines here, anything over 400BHP will have problems at some point or another, no matter how careful the build. It is just a fact of life IMHO, and I would certainly trust SCS with my car, and I am a total nutral in this situation.
...
21-08-2009, 12:03 AM
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21-08-2009, 12:21 AM
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was going to say the same thing
21-08-2009, 01:11 AM
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PEAK torque from a T38 may seem low compared to the short lived (rev's-wise) spikes achieved on a T34 Will, but the spread of torque is much better (and don't forget when you came out in mine, it was carrying a few hundred KG extra 
)
My 450bhp engine has been bullet proof. Best Cosworth engine builder in the business IMO. My tuner of choice for more years than I want to admit
Love these sort of posts - minimal info, a bit of implied controversy and watch the post count rack up......
As said above, if you'd asked & paid for 450, you'd have got it.
)My 450bhp engine has been bullet proof. Best Cosworth engine builder in the business IMO. My tuner of choice for more years than I want to admit
Love these sort of posts - minimal info, a bit of implied controversy and watch the post count rack up......
As said above, if you'd asked & paid for 450, you'd have got it.
... I just think the T38 is a bit of a no mans land turbo, 90% of the lag of a T4 and 70% of the torque of a T34 with neither of the "conventianal" turbos strong points.... 
... Been out in 4 T38 cars now, 2 UT and 2 TT, all feel flat in the midrange compared to a T34 or T4 IMHO..... Don't get me wrong, My Escos will be running a UT T38, but I can forsee a GT 30/76 or .71 or BB T4 being on there as soon as it is mapped on a T38
21-08-2009, 07:37 AM
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Everything would be standard internally except, you'd get lowered compression with valve cutouts, ported head and their own specced cams with uprated head gasket and possibly a 6 long stud conversion.
Tuners normally only get unhappy customers when something goes wrong with a build be it a mistake or a fault with a product and fail to do anything about it, ie warranty lasts until you leave the workshop. I guess though its rare to have issues so by ignoring the customer or charging them to put it right they save big money and just rely on the happy customers shouting these folk down like they are making it up. LOL.
21-08-2009, 07:56 AM
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21-08-2009, 08:20 AM
#56
Mine seems very good although she was built to run a GT28 turbo and run 400bhp, I now have 454bhp on a TT38. Admitedly she is laggy but once the boost comes in she just pulls and pulls and pulls unlike a T34 that runs out of puff after the initial spike! I'll be changing to GT30 after I get a tranny upgrade though. (If I don't sell her before then!!)
21-08-2009, 02:03 PM
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The 400 engine we had alot of probs tbh,would I recommend? No!.
Its the head porting though that needs commending-someone else does that,beyond that though pretty simple with a Mountune inlet cam and AB chip.
Its the head porting though that needs commending-someone else does that,beyond that though pretty simple with a Mountune inlet cam and AB chip.
21-08-2009, 02:11 PM
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21-08-2009, 04:36 PM
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just joined today as i have been up to harvey gibbs at scs and paid 4grand off my cosworth engine it has been built and tuned to 412bhp i was expecting the 450bhp mark. has anbody had one done by harvey or been in one built by harvey gibbs would realy like to hear your comments. thanks.
This is the whole story.
You and your dad originally came here and asked me for a genuiune and reliable 400bhp engine. I said this is not a problem but it will be slightly more than 400 due to the turbo i prefer to use.
I spent around 2 and 1/2 hours with you and your dad sorting out the full spec and what i would be supplying and you both agreed with the spec and the total price.
After many phone calls telling you the engine was ready, you decided to bring me Ł3600 towards the final bill, of Ł5500 +vat, which was agreed.
When you came to pay the Ł3600 i told you that i mapped the engine on the dyno to the limit of the injectors which was 435 bhp, i decided to do the dyno sheet at 26psi/1.8bar as the engine was making 412 bhp. As you asked for 400, i thought this would be a good starting point. Also included in the build price is a level 8 ecu, modified for 12 position boost control, pectel board, air injectors, boost pot, throttle position switch, outright t38 turbo, big wing sump, amongst many other things, not supplied with the original box of parts you brought me.
If you are not happy, dont you think it would be better to speek directly to me, and save the slagging my company has got ?
regards Harvey Gibbs
21-08-2009, 04:57 PM
#63
Jaw87,
To be fair to you, it is all the usual suspect band-wagon jumpers that have done the mud-slinging. You have asked a genuine question.
I would guess from the comments Harvey has made about the injectors being near their limit (and the power being capped to make everything reliable), that it is running Bosch 403 injectors? If so, unfortunately if you want to max the turbo out, you would need some head work and some higher flow injectors, all of which would add to your original budget. So it looks as though basically you got the best you could, given the hardware you supplied and the budget you dictated.
Obviously if you had wanted 450, you should have stated this and this could have been costed into the build, rather than saying you wanted a reliable 400.... Assumption is the mother of all fuck-ups, so just because you have a T38 which is capable of producing the power, if you don't communicate correctly what you want, then it's a bit silly to feel short-changed....
To be fair to you, it is all the usual suspect band-wagon jumpers that have done the mud-slinging
. You have asked a genuine question.I would guess from the comments Harvey has made about the injectors being near their limit (and the power being capped to make everything reliable), that it is running Bosch 403 injectors? If so, unfortunately if you want to max the turbo out, you would need some head work and some higher flow injectors, all of which would add to your original budget. So it looks as though basically you got the best you could, given the hardware you supplied and the budget you dictated.
Obviously if you had wanted 450, you should have stated this and this could have been costed into the build, rather than saying you wanted a reliable 400.... Assumption is the mother of all fuck-ups, so just because you have a T38 which is capable of producing the power, if you don't communicate correctly what you want, then it's a bit silly to feel short-changed....
21-08-2009, 05:05 PM
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Jaw87,
To be fair to you, it is all the usual suspect band-wagon jumpers that have done the mud-slinging. You have asked a genuine question.
I would guess from the comments Harvey has made about the injectors being near their limit (and the power being capped to make everything reliable), that it is running Bosch 403 injectors? If so, unfortunately if you want to max the turbo out, you would need some head work and some higher flow injectors, all of which would add to your original budget. So it looks as though basically you got the best you could, given the hardware you supplied and the budget you dictated.
Obviously if you had wanted 450, you should have stated this and this could have been costed into the build, rather than saying you wanted a reliable 400.... Assumption is the mother of all fuck-ups, so just because you have a T38 which is capable of producing the power, if you don't communicate correctly what you want, then it's a bit silly to feel short-changed....
To be fair to you, it is all the usual suspect band-wagon jumpers that have done the mud-slinging
. You have asked a genuine question.I would guess from the comments Harvey has made about the injectors being near their limit (and the power being capped to make everything reliable), that it is running Bosch 403 injectors? If so, unfortunately if you want to max the turbo out, you would need some head work and some higher flow injectors, all of which would add to your original budget. So it looks as though basically you got the best you could, given the hardware you supplied and the budget you dictated.
Obviously if you had wanted 450, you should have stated this and this could have been costed into the build, rather than saying you wanted a reliable 400.... Assumption is the mother of all fuck-ups, so just because you have a T38 which is capable of producing the power, if you don't communicate correctly what you want, then it's a bit silly to feel short-changed....
Are you trying to insult my and others intelligence?
21-08-2009, 05:42 PM
#65
PF's Guitar God!!!
^ I think that's enough said to be honest. Fair Play, it was a assumption on his side. Harvey seems to have done what he was told.
21-08-2009, 06:35 PM
#66
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i have never used SCS for anything apart from a bare block i bought a few years back .i think what harvey gibbs has said sounds good and i think you should have spoken to him first and if nothing was sorted out between you then you should make a complait towards him and say you want it fixed or come to a solution.
21-08-2009, 07:10 PM
#67
Dont u just love keyboard warriors trying to shit stir cos they dont have the bottle to deal with the company themselves.
Went out in JB fletches old 2wd saph many years ago and that thing was a fookin animal!! so deff gets my vote.
I spoke to harvey a couple years back on advice from rainbird and he undercut the quote i got from julian godfreys (who is also a bloody good company) so the car was going there untill the RAC refused to take it as it wasnt taxed anymore and they sent a van with spec on the back rather than the low loader i was hoping for and then due to buying a house i never managed 2 re-arrange getting it back up there 
and now im skint
Went out in JB fletches old 2wd saph many years ago and that thing was a fookin animal!! so deff gets my vote.
I spoke to harvey a couple years back on advice from rainbird and he undercut the quote i got from julian godfreys (who is also a bloody good company) so the car was going there untill the RAC refused to take it as it wasnt taxed anymore and they sent a van with spec on the back rather than the low loader i was hoping for
and then due to buying a house i never managed 2 re-arrange getting it back up there and now im skint
21-08-2009, 07:22 PM
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21-08-2009, 07:24 PM
#71
just joined today as i have been up to harvey gibbs at scs and paid 4grand off my cosworth engine it has been built and tuned to 412bhp i was expecting the 450bhp mark. has anbody had one done by harvey or been in one built by harvey gibbs would realy like to hear your comments. thanks.
Reading it back in fairness he hasnt slagged the company off but the wording is a bit shit lol, saying he was expecting 450 and hasnt got it can come across as implying he hasnt got what he's paid/paying for but maybe wasnt meant like that?!
But asking a question like what are harveys engines like AFTER he's asked for it to be built seems a bit of a silly thing to do dont u think?!
Obviously saying he was expecting 450 when harvey was told to build a 400bhp motor has annoyed him a bit which is understandable as it does look like a dig.
21-08-2009, 08:03 PM
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to be fair it looks like he was just asking the question and after what most have said hes had the right answeres..i bought a car with a harvey engine and i think its the bollox and every other engine iv seen or heard of is the nuts to...and im a tuner myself.lol..im even thinking of asking if harvey would dyno a couple of my engines..cheers danny
21-08-2009, 08:28 PM
#76
I have no idea why you think I wouldnt Benni? An engines an engine as far as im concerned. As a mapper we essentially just give it the spark lead, fuel and boost pressures that are available for the hardware fitted and it makes whatever power it makes. If it makes bad power when the boost is set correctly, the AFR is perfect and the spark table is optimised then its a hardware fault, nothing to do with the mapper...
Back on topic, Harveys engines always perform well and consume expected or more amounts of air when pushed and I have never had one in that is mechanically bad, hence my comment.
Back on topic, Harveys engines always perform well and consume expected or more amounts of air when pushed and I have never had one in that is mechanically bad, hence my comment.
21-08-2009, 08:29 PM
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21-08-2009, 08:32 PM
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The 1st time it was the block, right thats Marks fault
The 2nd time it was a small head bolt seal so it stayed together, only a 50p seal
How about you jog on with your stupid commentss
More than l can say for your big wing sumps
Last edited by Its Dave; 21-08-2009 at 08:35 PM.
