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Thread: 1.4 AMF TDI cylinder head Overhaul

  1. #41
    Quote Originally Posted by sco View Post
    I would be blue-printing the 90 box - modifying flywheels is scary stuff!

    Simon.
    Im contiplating this at the moment but i was already over the max torque output , although this is my personal prefrence as some 30kgs lighter its just how long would it last

    modifying flywheels is scary stuff! yh for sure as its got to be right , or theres still the DMF to consider but thats even more weight and i find the engines balance perfect with the standard 75hp flywheel and the chatter does not faze me
    Audi A2 TDI SE , Working sky , Bose , Dis , rear electric windows , Red leather .... Daily Driver

    Audi A2 1.4 16valve

    AUDI A2 SE 1.4TDI dirty diesel dog, Rebuild in progress , next stage custom stainless manifold and VNT Turbo

    Project A2 Quattro Twin bike Engined Transplant, custom paintwork, bodykit front and rear bumper update with A6 sport Grill .

  2. #42
    Some other useful info ive found on the forum and other sites with all the gear ratios for my various options






    1.4 TDI 75hp

    Gear ratio in 1st gear / 2nd gear 3.78 / 2.12
    Gear ratio in 3rd gear / 4th gear 1.36 / 0.97
    Gear ratio in 5th gear / reverse gear 0.76 / 3.60
    Final drive ratio 3.39

    1.4 TDI 90hp

    Gear ratio in 1st gear / 2nd gear 3.78 / 2.06
    Gear ratio in 3rd gear / 4th gear 1.30 / 0.90
    Gear ratio in 5th gear / reverse gear 0.70 / 3.60
    Final drive ratio 3.39

    MYP
    4.11
    2.12
    1.36
    0.97
    0.733
    0.592

    Diff: 3.389



    Theres also the standard box converted to 6 speed
    There is, for the A2 TDI, a choice of two possible 6th gear ratios, namely 0.65 and 0.588.

    Gear ratios for FMH

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    It looks like these would be the numbers for the ERF's and FMH's.

    2500rpm--87.28mph
    2000rpm--69.83mph
    1500rpm--52.37mph
    1000rpm--34.91mph

    That's less than one mph difference from the DRW.

    For the DRW

    Here is the speed in gear chart for 5th + 6th all speeds are mph
    RPM 5TH 6TH
    5500 161.14 193.93
    5000 146.49 176.30
    4500 131.84 158.67
    4000 117.19 141.04
    3500 102.54 123.41
    3000 87.89 105.78
    2500 73.25 88.15
    2000 58.60 70.52
    1500 43.95 52.89
    1000 29.30 35.26


    MYP
    1850 RPM - 96 km/h ~ 60 mph
    2000 RPM - 106 km/h
    2200 RPM - 116 km/h
    2400 RPM - 127 km/h
    2600 RPM - 137 km/h
    2800 RPM - 148 km/h
    3000 RPM - 159 km/h ~ 100 mph
    Audi A2 TDI SE , Working sky , Bose , Dis , rear electric windows , Red leather .... Daily Driver

    Audi A2 1.4 16valve

    AUDI A2 SE 1.4TDI dirty diesel dog, Rebuild in progress , next stage custom stainless manifold and VNT Turbo

    Project A2 Quattro Twin bike Engined Transplant, custom paintwork, bodykit front and rear bumper update with A6 sport Grill .

  3. Users that liked this post:

    Catnip64 (21-05-2017)

  4. #43
    Join Date
    Sep 2002
    Location
    Richmond North Yorkshire
    Posts
    7,900
    Quote Originally Posted by JIGSAW View Post
    Ive come accross bits and peices of infomation spike, but the only real info ive found was in the A2 Engine self study program

    Attachment 29122
    Well spotted
    I've read that document many times but never picked up on the use of counter-weights being added to the flywheel and vibration damper due to lack of space on the crankshaft

    Cheers Spike

  5. #44
    Thought id take the time to update my thread as made some progress over the past few weeks

    I finally bit the bullet and have gone for the FHM gearbox more so that i can run a larger 6 speed flywheel and larger clutch seeing that originally i had to de tune my engine to about 120 BHP just so the clutch could handle all the new power.. the benifits from the larger twin lay shaft box is it can handle as much torque as ile ever need.

    To help reduce weight in my A2 to counter the extra gearbox weight ive removed the complete wiring loom and replaced it with a non AC loom and ive finally got it all back together as such ready for her overhauled suspention and her engine and new 6speed gearbox .

    Ive also now finished my custom stainless turbo manifold which has been such a pain in the BEEP to make these past months as due to the limited space behind the TDI engine and getting each runner to turbo itself the same volume, having the shortest possible length for more low rev grunt and to help the turbo spin up faster..

    just a few shots of progress

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    Audi A2 TDI SE , Working sky , Bose , Dis , rear electric windows , Red leather .... Daily Driver

    Audi A2 1.4 16valve

    AUDI A2 SE 1.4TDI dirty diesel dog, Rebuild in progress , next stage custom stainless manifold and VNT Turbo

    Project A2 Quattro Twin bike Engined Transplant, custom paintwork, bodykit front and rear bumper update with A6 sport Grill .

  6. 4 users that liked this post:

    a2sumo (30-06-2017), Sarge (30-06-2017), sco (30-06-2017), Vonnie (30-06-2017)

  7. #45
    Join Date
    May 2013
    Location
    Aberdare, South Wales
    Posts
    3,892
    With some overnight parts from Japan, this thing is going to annialate all at race wars....sorry will only make sense to those with a certain taste in films :-)
    Steve
    0779zero965448

    Lots of parts/spares for sale - please click the link

    http://www.a2oc.net/forum/showthread...equest-A2Steve



    Project TDI150 on its way :-)

  8. Users that liked this post:

    a2sumo (30-06-2017)

  9. #46
    Join Date
    Feb 2017
    Location
    Glasgow
    Posts
    653
    Fast and furious.


    Sent from my iPad using Tapatalk

  10. #47
    Today i replaced the rear springs with some stiffer higher rated ones with a 80mm drop over standard ride height ones

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    Audi A2 TDI SE , Working sky , Bose , Dis , rear electric windows , Red leather .... Daily Driver

    Audi A2 1.4 16valve

    AUDI A2 SE 1.4TDI dirty diesel dog, Rebuild in progress , next stage custom stainless manifold and VNT Turbo

    Project A2 Quattro Twin bike Engined Transplant, custom paintwork, bodykit front and rear bumper update with A6 sport Grill .

  11. Users that liked this post:

    Sarge (15-08-2017)

  12. #48
    Thought id update my thread as been a while ,

    Ive a Few new parts for my on going upgrades

    4meters of 409 stainless tube

    loads of bends 45s and 90s

    y peices and flexi tubes in stainless

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    stainless and alloy race silencers

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    Sachs Dmf clutch kit , good for 200hp and 450Nm

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    custom driveshafts for 6 speed FHM gearbox

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    so my plan for the next few weeks is to build a custom twin exit exhaust and then onto a custom FMIC ..
    Audi A2 TDI SE , Working sky , Bose , Dis , rear electric windows , Red leather .... Daily Driver

    Audi A2 1.4 16valve

    AUDI A2 SE 1.4TDI dirty diesel dog, Rebuild in progress , next stage custom stainless manifold and VNT Turbo

    Project A2 Quattro Twin bike Engined Transplant, custom paintwork, bodykit front and rear bumper update with A6 sport Grill .

  13. 2 users that liked this post:

    Sarge (14-09-2017), Vorsprung durch Technik (14-09-2017)

  14. #49
    Join Date
    Jan 2014
    Location
    Rickamsworth,Herts England.
    Posts
    414
    When you mentioned on my thread the other day about copper slip i had no idea your this heavily into cars. Great thread mate and a credit to you! i've enjoyed reading all of it especially the bit about the head porting port matching as it's something i want to do with our 1.4 petrol. I most definitely will need to have a chat with you about this.Are you going to ADI this weekend?

  15. Users that liked this post:

    JIGSAW (14-09-2017)

  16. #50
    Quote Originally Posted by Vorsprung durch Technik View Post
    When you mentioned on my thread the other day about copper slip i had no idea your this heavily into cars. Great thread mate and a credit to you! i've enjoyed reading all of it especially the bit about the head porting port matching as it's something i want to do with our 1.4 petrol. I most definitely will need to have a chat with you about this.Are you going to ADI this weekend?
    Thankyou ...

    Yes ile be at the ADI so feel free to catch me for a chat, as it goes ive ported and polished my mates 1.4 petrol 16v A2 ...
    Audi A2 TDI SE , Working sky , Bose , Dis , rear electric windows , Red leather .... Daily Driver

    Audi A2 1.4 16valve

    AUDI A2 SE 1.4TDI dirty diesel dog, Rebuild in progress , next stage custom stainless manifold and VNT Turbo

    Project A2 Quattro Twin bike Engined Transplant, custom paintwork, bodykit front and rear bumper update with A6 sport Grill .

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