Hi
Tebs here and I just wanted to share my Super Secret Engine build that took place here in beautiful Central California..
Principle people involved: Pat Downs, Scott Sebastian, Anand Rajani, Carey Hines, Robert McEwen, Troy Sloan, John Borgess, and myself (Tebs) .. All this help we could damn near start a racing team.. HMMMM.
I wanted share this with all of you to just to say that if you have little to some knowledge of how these cars work you can achieve your goal of a well balanced, strong performing car that meets your driving needs. I cannot stress enough, we all have different ideas of what we want out of our cars and I wanted to pass this on because the people mentioned are all very Knowledgeable and had no problem helping me when I had questions, and I hope this helps someone like myself who's not a master mechanic but understands the mechanics, and is looking to get the best from their car..
Although my original engine ran very strong, it had a lot of issues along the way, most of them remedied by Pat.
OLD ENGINE: (NAME NOT TO BE MENTIONED)
74mm stroke x 90.5mm bore "1904cc" CB 74mm chromoly crank, 5.400 length connecting rods, Engle 100 camshaft, 043 VW casting heads with 35.5mm intake valves, 32mm exhaust valves, stock springs and retainers, 30mm full flow oil pump, lightweight chromoly flywheel, stock Sachs pressure plate, dual 44 IDF weber carbs with 32mm venturies, Magnaspark Digital ignition, 9-1 compression, Empi aluminum engine case, cut for 90.5 cylinders, CB aluminum push rods, 1.1-1 rocker arms on solid shafts with swivel feet adjusters.. Producing 78 HP and 105 ft lbs torque
After Several meetings with Pat and Anand, I had Pat build the following:
NEW ENGINE: Built by PAT DOWNS (BIG POWER)
82mm stroke x 90.5mm bore "2110cc", 82mm chromoly nitrided crank, 5.500 chromoly H-beam connecting rods, CB #2242 camshaft 256 duration @.050 lift .380 lobe lift, CB 1.25 ratio rocker arms on solid shafts with swivel feet adjusters, CB aluminum push rods, 043 casting heads, CNC ported with CNC re shaped combustion chambers, 40mm intake valves, 35.5mm exhaust valves, CB #vw650 valve spring/outer spring only, chromoly retainers, 62cc combustion chambers, 30mm full flow oil pump with keyed gears, billet cover, 82x90.5 magnesium engine case, full flowed clearenced for bore and stroke, Std. weight flywheel-17lbs, 8 doweled, Kennedy stage-1 pressure plate, chromoly gland nut, CB lightweight racing lifters, Stainless steel racing push rod tubes, Mahle 82x90.5 piston/cylinder kit with tru-arc wrist pin locks, Magnaspark digital ignition, custom made Berg breather box, Dual 44 IDF weber carbs with 32mm venturies, match ported intake manifolds .60 idle jets, 200 air correction jets, 135 main jets, CB billet crank pulley, All rotating components balanced, 8.8-1 compression.. Producing 160+ hp with and average of 165 ft lbs torque..
Pat Did say that with my fan and standard size pulley to deduct 13.5 hp.. LOL LOL he hates my exhaust and he deducts (depending on his mood) 10-20hp.. but its more like 5hp.. my exhaust kicks A$$.. lol sounds good too!! Just ask Anand!!
Pat is a master at engine building, all you have to do is explain to him what you want out of the engine and WHAM! He puts all the pieces together and you get what you ask for .. AND THEN SOME!!
Pat did send me a dyno test of the exact same engine build and I will attach it.
TRANSMISSION: Built by Scott Sebastian (Metal Craft High Performance Transaxles)
3:88 R&P 1. 3.81 2. 2.06 3. 1.22 4. .082 ( pseudo 5 speed..)
After break in, its clear the car has a lot of power and the gearing is producing the best results ever.. example: in 4th it cruises at a cool 3200 rpm 80mph and quickly goes to 90 MPH at 3600 rpm and way more peddle to go.. Pat clearly designed the engine to perform as the rpm increases, it seem to never end and the cars torque is incredible... Rev-limiter set to 6800rpm..
You might laugh but I put a lot of thought into this whole build. I have been a big fan of Indy Car and loved the dynamic that goes into those cars so I applied the same basic principles when it came time to put it all together.. Hell I even factored in tire size because in the gearing SIZE MATTERS..
TIRES and RIMS: Vredestein Sprint Classics 165/15 86H On Wide 5, 15 x 4.5 rims ..(Thanks Anand)..
SO there ya have it kids!! All in one big Stan G type rant...
Like I have been saying in some of my posts we all have different ideas of what our cars should be.. Me, I want mine to be as close to an original speedster looks wise as possible and have strong reliable power plant to get me to the coast 1/2 hour faster.. And it does just that... !!
I may have an extra car for sale after the SLO meet end of June .. That's if Ted (TRP) is willing to put up his pink!! We shall see, Stay tuned Kids!!
Best regards,
tebs....