The Triumph Dolomite Club - Discussion Forum

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 Post subject: Re: Sprint Headers
PostPosted: Sat Dec 14, 2013 11:56 pm 
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i'm guessing they don't show any dolomite ones because they won't have made many. i saw a Tony Law example on Ken Osbourne's black racecar sprint earlier this year.

and I only mentioned JP as he has made Vauxhall XE manifolds recently so am considering him to make mine! :P

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1980 Dolomite Sprint Track Day Car....KLJ 895W. now redtopiffied :P

viewtopic.php?f=19&t=23031

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 Post subject: Re: Sprint Headers
PostPosted: Sun Dec 15, 2013 12:20 pm 
I too have seen that car, artwork.


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 Post subject: Re: Sprint Headers
PostPosted: Mon Dec 16, 2013 2:24 pm 
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sadly in the race he had a similiar issue to what we have recently been discussing, trailing arm/axle failure! (i don't know which exactly. me/my dad have been meaning to call him)

ended up with retirement as there wasn't much rear tyre left.....

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1980 Dolomite Sprint Track Day Car....KLJ 895W. now redtopiffied :P

viewtopic.php?f=19&t=23031

Volkswagen Golf MK3 Gti....R301UUJ. RIP 22-5-13
Volkswagen Golf MK4 TDGTI 150 MM53VNT Sold 7-8-17
BMW 320d Coupe M-Sport YL08 XBZ with factory fitted Performance Pack - Sold 22/05/21
BMW 330d Touring M-Sport WN63 XPY - best daily ever

Proud TDC Member!


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 Post subject: Re: Sprint Headers
PostPosted: Mon Dec 16, 2013 11:50 pm 
Tony Law exhuasts are not a straight forward fit.
The car needs to go to them to have the System fitted.
You will also require the Turret to be cut out in order for the system to clear, these systems are for track / race cars unless you want to go chopping out chunks out of your nice road car :wink:


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 Post subject: Re: Sprint Headers
PostPosted: Mon Dec 16, 2013 11:55 pm 
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Quote:
Tony Law exhuasts are not a straight forward fit.
The car needs to go to them to have the System fitted.
You will also require the Turret to be cut out in order for the system to clear, these systems are for track / race cars unless you want to go chopping out chunks out of your nice road car :wink:
quite correct!

the lack of clearance on a sprint engine is ridiculous!

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1980 Dolomite Sprint Track Day Car....KLJ 895W. now redtopiffied :P

viewtopic.php?f=19&t=23031

Volkswagen Golf MK3 Gti....R301UUJ. RIP 22-5-13
Volkswagen Golf MK4 TDGTI 150 MM53VNT Sold 7-8-17
BMW 320d Coupe M-Sport YL08 XBZ with factory fitted Performance Pack - Sold 22/05/21
BMW 330d Touring M-Sport WN63 XPY - best daily ever

Proud TDC Member!


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 Post subject: Re: Sprint Headers
PostPosted: Mon Dec 16, 2013 11:58 pm 
Quote:
Quote:
Tony Law exhuasts are not a straight forward fit.
The car needs to go to them to have the System fitted.
You will also require the Turret to be cut out in order for the system to clear, these systems are for track / race cars unless you want to go chopping out chunks out of your nice road car :wink:
quite correct!

the lack of clearance on a sprint engine is ridiculous!

Yep, esp when you look at a TR7, in it falls!


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 Post subject: Re: Sprint Headers
PostPosted: Sat Dec 21, 2013 8:46 pm 
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Joined: Sun Aug 21, 2011 5:12 pm
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Location: Highley, Shropshire
Quote:
Quote:
Tony Law exhuasts are not a straight forward fit.
The car needs to go to them to have the System fitted.
You will also require the Turret to be cut out in order for the system to clear, these systems are for track / race cars unless you want to go chopping out chunks out of your nice road car :wink:
quite correct!

the lack of clearance on a sprint engine is ridiculous!
Yet another reason to not use a Sprint engine if you want a properly quick Sprint! (Dives for cover!!!!)

Steve

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'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

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 Post subject: Re: Sprint Headers
PostPosted: Sat Dec 21, 2013 8:49 pm 
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Quote:
Quote:
Quote:
Tony Law exhuasts are not a straight forward fit.
The car needs to go to them to have the System fitted.
You will also require the Turret to be cut out in order for the system to clear, these systems are for track / race cars unless you want to go chopping out chunks out of your nice road car :wink:
quite correct!

the lack of clearance on a sprint engine is ridiculous!
Yet another reason to not use a Sprint engine if you want a properly quick Sprint! (Dives for cover!!!!)

Steve

I need about 3 pairs of hands to count all of the reasons on ;)

_________________
1980 Dolomite Sprint Track Day Car....KLJ 895W. now redtopiffied :P

viewtopic.php?f=19&t=23031

Volkswagen Golf MK3 Gti....R301UUJ. RIP 22-5-13
Volkswagen Golf MK4 TDGTI 150 MM53VNT Sold 7-8-17
BMW 320d Coupe M-Sport YL08 XBZ with factory fitted Performance Pack - Sold 22/05/21
BMW 330d Touring M-Sport WN63 XPY - best daily ever

Proud TDC Member!


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 Post subject: Re: Sprint Headers
PostPosted: Sat Dec 21, 2013 10:54 pm 
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Quote:

Yet another reason to not use a Sprint engine if you want a properly quick Sprint! (Dives for cover!!!!)

Steve
BANG. :spar: :allbetter:

Jeroen

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 Post subject: Re: Sprint Headers
PostPosted: Tue Dec 24, 2013 8:34 am 
A number of years ago when I was racing my Sprint I bought a F3 motor from Holbay. It had the oil filter housing machined off the block as it was dry sumped and had a remote filter. This allowed me to fit a small Japanese starter motor where the housing had been. Doing this meant I could remove the massive Lucas starter which gave me a lot more room to build and fit a tubular exhaust header. It would also be possible to stand the motor up a little giving a bit more clearance. The works engines still managed in excess of 210 hp with the cast manifold so it cant be that bad.
Grelley


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 Post subject: Re: Sprint Headers
PostPosted: Tue Dec 24, 2013 8:43 am 
Found a couple of pictures of what I am talking about
Attachment:
ENGINE2.JPG
ENGINE2.JPG [ 133.76 KiB | Viewed 2436 times ]


Attachments:
ENGINE1.JPG
ENGINE1.JPG [ 151.55 KiB | Viewed 2436 times ]
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 Post subject: Re: Sprint Headers
PostPosted: Wed Dec 25, 2013 5:42 pm 
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Location: High Wycombe
Happy xmas all !

Found this place which makes tubular exhaust manifolds for £428 ... Retro-engineering.co.uk

Cheers, Richard


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 Post subject: Re: Sprint Headers
PostPosted: Wed Dec 25, 2013 7:55 pm 
No point in doing a tube header for a sprint
Unless your going well over 7k and want 220 hp +
A standard manifold well fettled will be ok for 99% of what people
Want out of a road and track day car
You would gain more just removing some weight from the car,


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 Post subject: Re: Sprint Headers
PostPosted: Wed Dec 25, 2013 8:25 pm 
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i thought i recognised that website...

viewtopic.php?f=3&t=20386

seems like they don't have a great reputation (going on what happened to this french gentleman)

_________________
1980 Dolomite Sprint Track Day Car....KLJ 895W. now redtopiffied :P

viewtopic.php?f=19&t=23031

Volkswagen Golf MK3 Gti....R301UUJ. RIP 22-5-13
Volkswagen Golf MK4 TDGTI 150 MM53VNT Sold 7-8-17
BMW 320d Coupe M-Sport YL08 XBZ with factory fitted Performance Pack - Sold 22/05/21
BMW 330d Touring M-Sport WN63 XPY - best daily ever

Proud TDC Member!


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 Post subject: Re: Sprint Headers
PostPosted: Mon Dec 30, 2013 9:47 pm 
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Joined: Mon Jan 19, 2009 10:46 am
Posts: 298
Location: Leiston, Suffolk
Quote:
No point in doing a tube header for a sprint
Unless your going well over 7k and want 220 hp +
A standard manifold well fettled will be ok for 99% of what people
Want out of a road and track day car
You would gain more just removing some weight from the car,

Is there any advice out there on how best to port the cast iron Sprint manifold? Aside from matching the ports,there's not much material to grind away - or at least I can't see where you'd try.

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