What is your drivetrain?

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thepcsurgeon

Master Mechanic
Oct 10, 2013
252
26
28
Orange County, NY
Zz502 with Edelbrock Power Pkg installed, custom Barry Grant 850 dbl. Pumper bench flowing 1020, B&M th400 race transmission with reverse, manual valve body, Ford 9" rear with Mossr 35 spline axles, strange center section with 3.50 spooled gears. Wilwood brakes slowing me down.
 

Mike P

Master Mechanic
Aug 7, 2009
446
208
43
Arizona
507 CI Cadillac, TH400, Ford 9" with 2.75 gear. 15-17 MPG at 75 MPH with the AC on.
 
Oct 14, 2008
8,831
7,790
113
Melville,Saskatchewan
Olds 350,2004R and 3.42 gears. I can pull out 20 imperial mpg no problem. I got 18 mpg with the 403 driving it hard, 20 mpg in winter with 2.56 gears. I am going 424 stroker based off the 403, could care less about gas mileage for it.
 

MightyCarlo86

Greasemonkey
Dec 15, 2012
153
0
16
Running a ZZ4 350 with Edelbrock performer rpm intake and Edelbrock 750 cfm carb and MSD streetfire ignition box, built 200-4R transmission 2800 rpm stall converter and 3:73 posi rear
 

pontiacgp

blank
Mar 31, 2006
29,270
20,413
113
Kitchener, Ontario
565bbchevy said:
It gets decent mileage when idling.
... :rofl:

it came with a 305, 200r4, open 2.41 rear and stock exhaust. It now has a 355 SBC, vortec heads, ZZ4 roller cam, headers with 2.5 SS duels, T5 WC and an 8.2" 3.08 Eaton posi rear
 

ITh4n4tosI

Greasemonkey
Nov 23, 2013
113
0
0
5.3L out of a 03 silverado, made into a 396, 700r4 trans and putting in a ford 9" with 4.11 no mileage numbers
 

spidereyes455

G-Body Guru
Mar 6, 2013
790
1,648
93
Northeastern PA
81 Grand Prix- 305 from an 82 Z28 with CrossFire injection using a 89 firebird TBI engine harness and ECM , Borg warner T-5 trans and 3.23 posi. No mileage numbers
87 442 - 100% stock
80 Cutlass - 403 Olds with Edelbrock performer intake Heddman headers original Qjet carb TH350 stock converter with B&M shift kit and 3.73 posi from a Monte SS. Don't remember mileage numbers.
 

tc1959

Comic Book Super Hero
Dec 23, 2009
3,963
1,975
113
Surprise AZ.
350 HO Tech Specs: Part #19210009
Engine type: Chevy small-block V8
Displacement (cu in): 350
Bore x stroke (in): 4.00 x 3.48
Block (P/N 10105123): Cast iron with 4-bolt main caps
Crankshaft (P/N 14088526): Nodular iron
Connecting rods (P/N 10108688): Powdered metal steel
Pistons (P/N 12514101): Cast aluminum
Camshaft type (P/N 12480033) hydraulic roller
Camshaft lift (in): .435 intake/.460 exhaust
Camshaft duration (@.050 in): 212° intake/222° exhaust
Cylinder heads (P/N 12558060): Vortec iron; 64cc chambers
Valve size (in): 1.94 intake/1.50 exhaust
Compression ratio: 9.4:1
Rocker arms Roller/ self aligning
Rocker arm ratio: 1.5:1
Water pump (P/N 88894341): Cast iron, long-style
Flexplate (P/N 14088765): 12.75"
Recommended fuel: 92 octane
Ignition timing: Base 10° BTDC, 32° Total
Maximum recommended rpm: 5500
Balanced
Reworked Q-Jet Carb.

Dual exhaust with 2 in 2 out catalytic converter and twin Flowmaster super 50 mufflers
Transmission 1992 700R4 from a Caprice 9C1 Gill Younger valve body. Painless TCC kit.
7.5 rear end with Eaton limited slip and 3:24 Richmond gears

Nordskog digital dash

17 inch Summit legends wheels with 235/50/17 Michelin tires.
17 MPG on the highway. (less in town I can't keep my foot out of it)
 

86-blk442

G-Body Guru
Dec 2, 2008
739
1
16
West Seneca, New York
355 SBO
-Xe262 cam
-9.5:1 comp
-Performer rpm
-Q-jet
-W31 valves #5 heads
-Headers 2.5" dual exhaust with X pipe

200-4R with tight (1600 stall) converter & lockup, 3.73 rear
15+ mpg stop and go
 

dr78442

G-Body Guru
Mar 15, 2010
731
912
93
massapequa park NY
Oldsmobile 455 EFI
TURBO 400 with gear vendor overdrive
8.5 rear with 3.90 gears
Unknown MPG. Car wasen't built for fuel economy so I never bothered to check :roll:
 
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