KV TSR or GTI ENGINEERING 2.5 conversion - Page 2

simons2 · 21-12-15, 04:15 PM

I had noticed they had there own dizzy but the rest was new so thank you. Keep all info coming please ladies and gents.
Does anyone know was the GTI block a re-bored 7A block?

20vcqdriver · 21-12-15, 04:48 PM

Quote:

Originally Posted by simons2

I had noticed they had there own dizzy but the rest was new so thank you. Keep all info coming please ladies and gents.
Does anyone know was the GTI block a re-bored 7A block?

No a KV, but they did do a 20V 7A 2.5 conversion too. That was rated at 200bhp and similar torque but at higher revs than KV 2.5

Isimmo · 21-12-15, 05:35 PM

The KV with Schrick and various other modifications is a harsh old beast that needs driving hard, and 200bhp, whilst good, isn't a nose bleed in modern traffic. I would like to see a full fat KV TSR/GTI Engineering type motor with bang up to date electronic fuel control and ignition just to see exactly what could come from a n/a 10v 5pot

Quiet, they ain't...

https://m.youtube.com/watch?v=q_hUS4wLmTE

Andy10v · 21-12-15, 07:16 PM

Quote:

Originally Posted by Isimmo

I would like to see a full fat KV TSR/GTI Engineering type motor with bang up to date electronic fuel control and ignition just to see exactly what could come from a n/a 10v 5pot

That is a good point, the original conversion was done with the affordable technology of the day.

If you were to build a modern one a stand alone ECU could run EFI and coil on plug. It would be nice to ditch CIS. Imagine what it would sound like on throttle bodies!

Simons do you want to stay CIS? Going to another CIS setup could give more fuel adjust ability and electronic ignition control, if you wanted to retain original looks.

Aelred built a 2.5 10v with 202 bhp

Quote:

CR to 11.5:1, I installed Lumenition ecu (cheap and cheerful) to be able to map the ignition and used a 6 electronic injector mapped to control the fuel pressure on the KJectronic, big valve head with the original cam.
Original I and Ex manifolds. it had a larger bore exhaust. With this set up on the engine dyno it had 202BP and identical torque figures. And still very drivable due to the extra cc's

http://www.s2forum.com/forum/showthread.php?t=29822

Andy10v · 21-12-15, 07:39 PM

From the GTI website

The conversion comprises of:
Chrome molybdenum steel crankshaft 94.5 mm stroke
Alloy autothermic pistons
Cylinder block bored and honed to 82.5 mm bore
Gasflowed cylinder head
41mm inlet valves
35mm exhaust valves
Special large cast iron valve seats
Modified distributor
Fitted oil cooler with thermostat
Baffled sump
Price £2500 (1985)
Technical Data:
167 bhp at 5,500 rpm (std 136 bhp at 5,800rpm)
155 lbs/ft at 4,500 rpm (std 136 lbs/ft at 3,500 rpm)
0-60 mph 7.5 secs
max. speed 130 mph

From the TSR website

2.6l 5cyl short engine (2226cc exchange)
Based on the 2226cc block, these units are fitted with a longer stroke crankshaft and bored to 82.5/83mm for a massive 2.6ltrs. To take advantage of this huge capacity we recommend the fitting of our Pack 'C' head in which form the engine will produce up to 185bhp.

TSR PACK C 10V
To release the full potential of the 5 cylinder engine, these heads are re-engineered to accept the same 40mm/35mm valve specification as used in the Pack C Golf heads.
With similar attention given to porting and gasflowing these engines will easily give 170bhp when fitted with an appropriate camshaft. These power figures are similar to Quattro Turbo engines but without the turbo complications.

Cam shaft
Audi/VW 10v 2.2/2.3 ltr, Shrick, 276 degree, 11.5mm lift, Fast Road

What was the load input for K star?

Isimmo · 21-12-15, 08:17 PM

Quote:

Originally Posted by Andy10v

That is a good point, the original conversion was done with the affordable technology of the day.

I bet it would be close to 1 bhp per cc....

jogi730 · 21-12-15, 09:13 PM

Quote:

Originally Posted by Isimmo

I bet it would be close to 1 bhp per cc....

Can I have one of those pleas? Could do away with the turbo!

Isimmo · 21-12-15, 09:33 PM

Quote:

Originally Posted by jogi730

Can I have one of those pleas? Could do away with the turbo!

lol, yep, thank you, I've now spotted the mistake...

Maybe a bit optimistic...

I was aiming at 2500cc making 250bhp... But I can't be asked to place a braincell in that general direction now....

jogi730 · 21-12-15, 09:41 PM

Damn, though you found a new formula!
I knew what you meant though

quattrostyle · 22-12-15, 08:54 AM

Reading with great interest here as I would like to get some more low down torque out of the KV engine, but not al all cost

21-12-15, 05:35 PM	#13
Isimmo Super Moderator Classic Audi Club Member Join Date: Jul 2007 Location: Sissix-by-the-sea Posts: 15,218	The KV with Schrick and various other modifications is a harsh old beast that needs driving hard, and 200bhp, whilst good, isn't a nose bleed in modern traffic. I would like to see a full fat KV TSR/GTI Engineering type motor with bang up to date electronic fuel control and ignition just to see exactly what could come from a n/a 10v 5pot Quiet, they ain't... https://m.youtube.com/watch?v=q_hUS4wLmTE __________________ 1985 WR quattro, 1985 20vT RallyRep, 1993 MTM ABY S2 Avant. 2010 S3 Sportback. Last edited by Isimmo; 21-12-15 at 05:38 PM.

21-12-15, 07:39 PM	#15
Andy10v Grown up member Classic Audi Club Member Join Date: Dec 2008 Location: Stirling Posts: 861	From the GTI website The conversion comprises of: Chrome molybdenum steel crankshaft 94.5 mm stroke Alloy autothermic pistons Cylinder block bored and honed to 82.5 mm bore Gasflowed cylinder head 41mm inlet valves 35mm exhaust valves Special large cast iron valve seats Modified distributor Fitted oil cooler with thermostat Baffled sump Price £2500 (1985) Technical Data: 167 bhp at 5,500 rpm (std 136 bhp at 5,800rpm) 155 lbs/ft at 4,500 rpm (std 136 lbs/ft at 3,500 rpm) 0-60 mph 7.5 secs max. speed 130 mph From the TSR website 2.6l 5cyl short engine (2226cc exchange) Based on the 2226cc block, these units are fitted with a longer stroke crankshaft and bored to 82.5/83mm for a massive 2.6ltrs. To take advantage of this huge capacity we recommend the fitting of our Pack 'C' head in which form the engine will produce up to 185bhp. TSR PACK C 10V To release the full potential of the 5 cylinder engine, these heads are re-engineered to accept the same 40mm/35mm valve specification as used in the Pack C Golf heads. With similar attention given to porting and gasflowing these engines will easily give 170bhp when fitted with an appropriate camshaft. These power figures are similar to Quattro Turbo engines but without the turbo complications. Cam shaft Audi/VW 10v 2.2/2.3 ltr, Shrick, 276 degree, 11.5mm lift, Fast Road What was the load input for K star? __________________ 2005 350z GT Sold-1992 3B S2 coupe-RS2+, 996s, konis, forged rods, rear torsen.... Sold-1993 ABY coupe

21-12-15, 09:41 PM	#19
jogi730 jogi Classic Audi Club Member Join Date: Dec 2007 Location: Luton, Bedfordshire Posts: 1,689	Damn, though you found a new formula! I knew what you meant though __________________ 1985 Audi 90 quattro 20v turbo with some tweaks

21-12-15, 04:15 PM	#11
simons2 Grown up member Classic Audi Club Member Join Date: Jun 2012 Location: ireland Posts: 291	I had noticed they had there own dizzy but the rest was new so thank you. Keep all info coming please ladies and gents. Does anyone know was the GTI block a re-bored 7A block?

22-12-15, 08:54 AM	#20
quattrostyle 4 ring whore! Classic Audi Club Member Join Date: Feb 2010 Posts: 2,188	Reading with great interest here as I would like to get some more low down torque out of the KV engine, but not al all cost