Just had a short friendly exchange in the 'wanted' section regarding the Harvey up pipe. I used the same one with a TD05 20g, an MD321t and an SC46. As it was a two bolt, matched to Harvey's ported manifold/headers, I had to change it when I went to a 3 bolt GT spec gen 2 manifold.

The question is this: other than the 2 bolt/three bolt option did Harvey make a different up pipe to match the bigger turbos? When I told him that I was upgrading the TD05 to an MD321t he didn't try to sell me a different up pipe. Anyone know for sure?

 

Not AFAIK, but I know a man who WILL know.

Phone Alyn at A S Performance.

 

I left my car with Harvey March 2012 for a few months as I was away at the north west , TT , then abroad , he wanted to play with a few ideas , mainly helping in the design for the revised HDI ... Also my standard location MDV Billet with RCM Gen 2 wanted matching ,
As far as I'm aware he has made 1 off up pipes for many diff applications , but the mass produced 2. & 3 bolt who his machinist puts out ( who alyn now uses , are just that ... Any way Harvey took Ill that summer from a fall & the rest is in the History books
RIP fella

 

Thanks for that info. So the mass produced ones were 'one size fits all' like I thought, but if Harvey produced a number of one-offs then that explains why some people think they are turbo specific.

Harvey himself was a one-off, and much missed

 

That's what I understand after a few phone calls today! Two options
2 bolt
3 bolt

 

Yep that's it dude.
I put the Harvey and gr spec side by side and the difference is night and day. The gt spec just has a smaller piece of pipe slit, slid inside and tacked in place.
Harvey's design is a more traditional taper

 

Paben, my post earlier today was based on the fact that when I was in alyns shop I saw 15-20 trick up pipes layed out ready for dispatch and they were all visibly different in diameter, alyn explained to me how they work and why they are preferred over others, turbo specific was the way I took it but that might be just me, I didn't mean to sound contradictive or question your knowledge

 

Hey don'y worry gazney101, my knowledge is always very questionable! I've now got a 2 bolt Harvey up pipe going spare and I didn't want to sell it until I was certain which turbos it would fit. Sounds like the turbo-specific options could be available from Alyn though.

 

the HS 2 bolt up-pipes are (and always have been) made in various guises to suit specific power targets/turbo's

they are NOT one-size fits all

0191-4103770

 

Thank you for clearing that up, I think this is something that many Harvey up pipe users are probably unaware of. I don't think it's mentioned in any advertising I've seen and when I changed from a TD05 20g to an MD321t Harvey didn't suggest an up-pipe change.

If I may ask a question. Harvey supplied me his 2 bolt up-pipe for a TD05 20g (which he also supplied). Would this up-pipe only be suitable for this turbo now that I'm selling it or is there a spread of turbos that it would fit?

If I can add another question: my Harvey ported manifold eventually split and I've now got a 3 bolt GT spec gen 2 with matching one-piece up-pipe, SC46 turbo. Is there a specific Harvey up-pipe for this combo that would improve power/spool? I'm in the market if this would make a difference, also keen that the two piece slip jointed up-pipe would relieve stress on the manifold.

Sorry for the questions!

 

Looking for more info on the harvey smith trick up pipe i found this. Can anyone answer the questions

 

Phone Alyn @ ASP job done

 

I was thinking about buying one second hand not sure he'd appreciate me taking up his time

 

Trick up pipes are NOT all the same, so if your gonna buy one second hand make sure it's the correct one for your spec, if you buy one that's matched to a 321t for example and fit it with a td04 then it's pointless.

For what they cost new it's not really worth ****ing about with used ones.

 

You sure about that,

I called they says there's 2 bolt & 3 bolt,

Wouldn't say the have a 350/400/450 ones

Or turbo specific,

It is after all just a tapered pipe

I have one on my car so not hating just as far as i was aware there was only 2 types.

 

See post #9

 

Quote:
Originally Posted by AS Performance
the HS 2 bolt up-pipes are (and always have been) made in various guises to suit specific power targets/turbo's

they are NOT one-size fits all

0191-4103770

 

Good sales pitch,

Show me the difference and i will believe it ?

Only question i was asked when i called was 2 or 3 bolt fitment.

 

This still going on? When the late Harvey sold me his ported manifold and up pipe (2 bolt of course) it was for the VF35. When I bought a TD05 20g off him there was no mention of an alternative up pipe, likewise when I fitted an MD321T. Things must have changed.

 

So you would agree as it says earlier in the thread there are 2 kinds,

2 Bolt & 3 Bolt

 

The two bolt worked perfectly well from VF35 right up to SC46, so I'm inclined to think so. I still have the two bolt Harvey up pipe if anyone wants one!

 

@AS Performance

 

Lol I don't really care if you believe it tbh, I've seen them all laid out on the floor ready to be posted out and they were all different in diameter, that's good enough for me.

You clearly don't deal with Alyn if you think he uses bull**** sales pitches

 

Well whoever it was it was definetly AS Performance.

And like i said. No mention of what turbo it was for.

Just asked if it was 2 or 3 bolt.

So perhaps u saw them upside down beside one another.

 

It would be easy to settle this if Alyn himself were to come on here and expain what's what. It might boost his sales, too.

 

Yea actually explain it tho not just.

"Not all equal" sales talk.

As i says. Not knocking product.

Got one myself.

 

When I bought mine he said 'he' only has 2 types (2/3 bolt type) as i had read it also hence my questions.
Ive tagged him few posts up thread

 

The 3 bolt up pipe has a distinct venturi effect whereas the 2 bolt much less so (if at all) so those two are quite different. I can't see what could be done to the 2 bolt version from turbo to turbo though.

 

Agreed, think there has got to have been a misunderstanding

 

rarely get on here as we are too busy making up "sales pitch" essay's or maybe in reality we sell a proven product that fits and works with an awful lot of development behind it and struggle to keep up with our workload

as for being asked wether 2 or 3 bolt you were most likely asked what age/model of car and if it had the std turbo and wether std 2bolt or aftermarket headers (2 or 3 bolt)??
we do NOT sell the same pipe for a td04 / VF34 / TD05 20G but there is some crosss over and if your upgrading later we will often supply a pipe more suited to the upgrades than this point in time

ANY questions then please direct them at the office as 12hr+ days does not leave much time to answer the same question on here every day, sorry

https://www.facebook.com/ASPerformanceUK/photos/?tab=album&album_id=553517494659990
anyone that wishes to know what has been purchased by them in the last 7months we can sort on the system records but previous to that we cant due to a computer upgrade

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