Hello! Log in or Register   |  Help  |  Donate  |  Buy Shirts  See all banner ads | Advertise on TheSamba.com  
TheSamba.com
 
Stock 71-74 T1 AE engine (Dynomation 5 engine simulation)
Forum Index -> Beetle - Late Model/Super - 1968-up Share: Facebook Twitter
Reply to topic
Print View
Quick sort: Show newest posts on top | Show oldest posts on top View previous topic :: View next topic  
Author Message
Lionhart94010
Samba Member


Joined: January 04, 2005
Posts: 1386
Location: SF Bay Aria / Silicon & Central Valley
Lionhart94010 is offline 

PostPosted: Sun Oct 06, 2013 9:58 pm    Post subject: Stock 71-74 T1 AE engine (Dynomation 5 engine simulation) Reply with quote

Stock 71-74 T1 AE engine simulation

In order to see what engine modifications are beneficial on T1 engines Id like to start with an accurate simulation of a stock T1 AE engine, I have entered the parameters I could find and measure parts I have, and would be thankful if anyone as any additional information(specs) or corrections to what I have so far or knows where I can find the information I am missing

After getting the most accurate stock simulations possible, I will make changes to the stock configuration and post the results for the benefit of thesamba community :0)

The current simulation specs I am using are below:

And Give the following Simulation result = Max HP

Wave Action Simulation
-----------------------------------------------------------------------------------------------------------------
Wave-Action Cycles: 4 Wave ---------- Action Model: Fine

Wave Action RPM Step: 500 ---------- Start RPM: 1,000 ----------- Finish RPM: 5,000

Environment
--------------------------------------------------------------------------------------------------------------------
Equivalent Elevation: 0.00 ft ---- Air Temp: 70.0 def F ---- Humidity: 50% (= Afternoons)

Short Block
--------------------------------------------------------------------------------------------------------------------
No Cylinders: 4 ----- Bore: 85.5mm (3.366in) -------- Stroke: 69mm (2.717in) ------- Volume: 1,584.51cc

Rod Length: 137.11(5.398in) ---------- Rod Ratio: 1.987 -------- Wrist-pin offset: 1.5mm

Cylinder Head
--------------------------------------------------------------------------------------------------------------------
Type: 2-Valve, Wedge Low/Perf Stock Ports/Valves

Intake Valve: 35.61mm(1.402 in) -------------- Exhaust Port Valve: 32.11mm (1.263 in)

Induction (If anyone has stock head flow data there is an option to enter it :0)
--------------------------------------------------------------------------------------------------------------------
Intake Manifold Design: Non-Tuned, Small Runner, Restrictive

Plenum configuration: Common Plenum

Total Induction Air Flow Rate: 114.9 cfm ----- @1.50 inHg

Wave-Action-Intake
Intake Runner Length: 685.8mm (27in ) ------ Mini Port aria (per Valve) 812.9 sqmm (1.26 sqin)

Beginning Aria: 864.1 sqmm (1.34 sqin ) ----------- Average total Taper Angle: 0.1 Deg


Camshaft
---------------------------------------------------------------------------------------------------------

Cam Specifications--------- Intake -------- Exhaust
Gross Lobe Lift: -------------- 0.309 in ------- 0.291 in
Rocker Ratio: ----------------- 1.10 ------------ 1.10
Gross Valve Lift: ------------- 0.340 in -------- 0.320 in
Valve Lash: -------------------- 0.006 in ------- 0.006 in
Net (Sim) Valve Lift: --------- 0.334 in ------- 0.314 in
Valve Dur @ .006: -------- 256.0 --------- 256.0
Center Line Angle: -------- 108.0 ---------- 108.0
True Center Line: ---------108.0 ---------- 108.0
Cam Adv(+)/Ret(-): ---------- 0.0 -------------- 0.0

Lobe Centerline: 108
Valve Overlap: 40.0
Lift Accel Rate: 2.52

Valve Events ------------------------------------IVO------IVC------EVO------EVC
Seat-to-Seat Event Timing -------------------20.0-----56.0-----56.0------20.0
720-Based --Event Timing ------------------340.0---596.0----124.0----380.0
0.050-inch ---Event Timing ------------------(-)1.0----35.0------35.0----(-)1.0
True Timing (Adv/Ret and Rocker Ratio): 20.0-----56.0-----56.0------20.0

Combustion
-----------------------------------------------------------------------------------------------------------------------
Compression Ratio: 8.0 ------- Combustion Space 56.59cc----- Cylinder Volume 396.13cc

Fuel Type: Gasoline --- Air Fuel Ratio 12.5:1 (max power, WOT)

Combustion Chamber design Wedge, Open --- Chamber Timing requirements 24 Deg

Basic Ignition Timing @ Crank: 5 BTDC ---- Estimate Ignition Timing (for best Torque @ Each RPM Point)

Timing Advance (Mechanical) 10.0 Deg Per 1,000 RPM until 3,000 RPM


Exhaust
-----------------------------------------------------------------------------------------------------------------------
Filling / Emptying Exhaust Model

Wave-Action-Exhaust
Style: Normal --------------- Mini Port Aria (Per Valve): 1.18 qsin

------------------------Header ------------ Collector ------------ Megaphone
Length: -------------26.00 in---------------24.00 --------------- NA
Inlet Dia: -------------1.250 in---------------1.250 in ---------- NA
Exit Dia: --------------1.250 in---------------1.250 in ---------- NA
Taper Angle: ---------0.00 in----------------0.00 in


https://www.thesamba.com/vw/gallery/pix/805878.jpg

Image may have been reduced in size. Click image to view fullscreen.

_________________
Current VWs 71 T2 Westy SO-72/6(Miami), 71 Crew Cab, 72 KG GT;0) 12 JSW TDI
Other owned VWs 59, 68 1500s, 69 & 71 Bugs; 72 & 73 S-Bugs; 67 Westy, 67 Deluxe, Other 71 DC
VW technical information sights
thesamba - www.ratwell.com - www.shoptalkforums.com/ - www.vw-resource.com - http://www.type2.com/
http://bobhooversblog.blogspot.com/ - www.aircooled.net/gnrlsite/resource/articles.htm
Back to top
View user's profile Send private message Gallery Classifieds Feedback
Display posts from previous:   
Reply to topic    Forum Index -> Beetle - Late Model/Super - 1968-up All times are Mountain Standard Time/Pacific Daylight Savings Time
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum

About | Help! | Advertise | Donate | Premium Membership | Privacy/Terms of Use | Contact Us | Site Map
Copyright © 1996-2020, Everett Barnes. All Rights Reserved.
Not affiliated with or sponsored by Volkswagen of America | Forum powered by phpBB