Racing engine build thread - Page 2 - ClassicOldsmobile.com

Racing engine build thread

Old October 3rd, 2015, 10:57 AM
  #41  
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Ross racing engines That is just badass i dont want to even begin to think how much that cost.
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Old May 1st, 2016, 12:46 PM
  #42  
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Originally Posted by Ross Racing Engines View Post
Completely hand built 1957 371 J2 Olds..... Not one piece of this engine came from GM other than the valve covers in first shot..... They have since been changed to a CNC'd replica in billet alum

6.90's 197 mph
Very cool!!
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Old December 16th, 2016, 08:53 AM
  #43  
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This build was in 1970
'67 post W30 4spd
stock suspension w/AirLift bags, 10" worn out M&H tires, 4.66 gear
E block: .060 over w/TRW pistons extensively lightened, Ford 427 taper pins .005 over, Sealed Power rings, Clevite bearings, General Kinetics 310/310 solid lifter cam (don't remember the lift, low .500s), pistons .005 in hole, Victor head gaskets, Cloyes dbl roller.
C heads: stock intake valves, Pontiac R/A IV exhaust valves shortened and cut to 1.730 dia., heat risers filled, 75 cc chambers, 3/8 rocker studs, Pontiac 400 guide plates, Pontiac 1.5 rockers.
E'brock Torker intake, 835 Holley, electric pump, Hooker 2" comp headers, stock distributor w/Mallory dual point plate, Mallory coil.
Pretty consistent 12.20's, best 12.18/113.35 at Norwalk in 1972.
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Old January 13th, 2017, 11:23 AM
  #44  
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12 seconds on the cheap


How to do 12 seconds on the cheap.

Car is a 1974 Pontiac Ventura Sprint that weighs 3850lbs ready to race with me in it.
Car cost me $500.00 and the motor & tranny cost me $300.00.

1970 455 short block with mix'n'match parts:
-standard bore
-Stock 46 year old "N" crank, rods, pistons (small dish hi-comp), and main bolts. The engine had 110K miles on it and the piston thrust sides were pretty much worn smooth so I took a sharp steak knife and recut the oil retention grooves.
-original damper with timing tape and small pulleys
-stock 4 quart (Imp)oil pan & pickup
-stock water pump(with very large pulley)
-chamfered journal oil holes for better oiling
-hot tanked block, crank, & heads, cleaned galleries and replugged.

**In fact everything is 46 years old except the following:
-ARP rod bolts
-added Mondello aluminum cam supply oil restrictors in the mains (2, 3, and 4)
-new Hastings rings.
-deglazed the cylinders
-Melling HV-HP oil pump (cold 50-80 PSI, [email protected] RPM), (hot 40-80 PSI) 20W50 or Mobile 1 Racing oil
-Mondello chrome-moly oil pump drive
-crank polished but not cut
-new main and rod bearings set at 0.003.75"-0.004" (Main) and 0.003"-0.003.5"(Rod). Yes, I always run loose bearings on race or street/strip engines, Because of rapid unequal heat expansion.
-line bore checked, no work needed.
-new cam bearing
-Mondello cam bumper button.
-Engle hydraulic cam Part#2728H, Grind#EP-28/29 HYD, lift: in/ex .555" Cam Lift: in/ex 0.347", Advertised Duration: int-292 ext-300 [email protected] int-248 ext-256 Lobe Center108. Cam is actually a bit too big.
-Anti-pump-up lifters, I can't remember brand.
-Dyna Gear 3 position double roller pre-stretched with offset dowel inserts for fine-tuning.
-Mondello aluminum valley oil catcher/deflector.

COST: $650.00 (1995 CAD DOLLARS)


Heads:
-Stock untouched "G" heads, 2.0" intake with probably 1.75" throats, 1.62" exhaust valves also choked throats, I did lap the valves though.
-Heads flow: int [email protected]" & ext [email protected]", SF 600 bench @ 28 inches.
-Both spring pads are deep pads, so that was nice.
-Swapped out the rotators for non-rotator retainers (stock)
-Stock rockers and bridges
-Push rods from older AMC 6 cylinder, can't remember which one, provides 0.060" lifter preload, leaves 0.040"for lash.

New:
-Springs changed to match cam, can't remember what they are but, they work.
-PC valve seals.
-NGK racing plugs

Carb, Intake, Distributor, & Headers:
-Used Holley 800 double pumper with choke horn cut off, 94 jets front 98 rear & no power valves, 50cc front pump & 30cc rear, and with my special tweaking &smoothing.
-Holley Blue pump & regulator, pressure set at 8PSI.
-Used Torker intake untouched but heat cross-overs are blocked with stainless steel sheet metal.
-Adapter plate.
-GM HEI distributor with Mr. Gasket re-curve kit, 18 deg. idle, 36 deg. total, all in by 3500 rpm. No vacuum hook-up.
-1.75"Blackjack headers that we bent, dented, and mutilated to make fit.

Misc:
-TH400 with B&M Shift kit and about 130,000 miles on it.
-3400 rpm stall convertor done by local machine shop specializing in convertors.
-Corporate 10 bolt with posi.
-upgraded mono-leaf to 7 leaf rear springs, stock front springs with stock shocks on all 4 corners. Now I wish I had the mono-leafs back, oh well.
-Made my own Assassin traction bars, work friggin excellent, a hell of a lot better than the old slapper bars.
-30x12.5x15Goodyear slicks.
-Hurst Quarter-Stick & Line-lock, foot launched.
-2 electric cooling fans.
-Tranny cooler is from an old window air conditioner, tranny temp never goes above 140 deg.F even when it's 98 deg.F (air) at the track.
-91 octane on the rare street ride, 50/50 mix of 91 pump & C12 for the track.

So what can you do with 46 year old Iron?
Best mile E.T. 12.79 and still going down, needs more tweaking, carb, and heads.
Best mile speed 110 mph
Best 60 foot 1.63

Ray




Ugh I need new quarter panels and rims. Hay is that sunlight under the tire.
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Old February 20th, 2018, 06:29 AM
  #45  
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Back in the early 80s was my first experience with a Olds, later ended up racing D/SA with a 1970 W30. Back to my first Olds build, the car was a 70 Cutlass 350. I found a virgin 70 Toronado and rerung that engine, installed oil restrictors, valve job and cut the heads, filled the heat cross over, weld up the divider, ran a Lunati stocker cam with the factory valve train, the intake was a older Edelbrock dual plane with a 850 Holley. I had 4.10 gears with a cheap 10 inch converter and this was holding the car back, it did run high 11s @ 113 almost 114 @ 1100 feet, never did weigh the car, but probably 3500 pounds. I think with todays tires and a 8 inch converter 11.4 would been easy. I think I pd 300.00 for the car, probably didn't have more than 2000.00 in the whole thing........the good ole days.
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Old June 21st, 2018, 07:48 AM
  #46  
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Gosh here it is 2018 and not many new engine builds !!!
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Old June 21st, 2018, 04:32 PM
  #47  
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My new 355. Heads ported by 67cutlassfreak along with intake. I built the short block , has a solid flat tappet lunati cam. 10.25 to 1 compression. Should be good on pump gas. Last combo went 12.2's and was no where near what this is. Im shooting for 11.70's. This will be my last small block. Next build will be a mild BBO bread a butter build like my last 355. IM curious to see what adding 100 cubes to the same combo will yield.



Last edited by coppercutlass; June 21st, 2018 at 04:42 PM.
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Old June 22nd, 2018, 04:18 PM
  #48  
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Thanks Copper for you new update. I need to call Dave!!!! I sure like him and would love to meet both of you someday.
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