The Chevy 235 inline 6 cylinder engine was first introduced in 1941 and was mainly used in large trucks. In 1950, GM decided to use the 235 in several of its automobiles that were going to have the new Powerglide automatic transmission. In 1953, all Chevy 235 engines that were used with Powerglide transmissions were upgraded with a fully. May 07, 2021 The Chevy 235 engine was first released in 1941 as an upgrade to the 216. The new 235 was designed for trucks, giving them a boost in overall power. In 1950, the Chevy 235 was added to the lineup of passenger cars. It was paired with the Powerglide transmission to great success, and by 1954, it was the standard in Chevy cars.
Identifying the 216 / 235 / 261 | |
By Barry Weeks and Jim Merritt | |
Quick and easy 216, 235, 261 spotting
You've dragged home the truck of your dreams only to open the hood to a rat's nest. Under the seat wadding, sticks and dead leaves lurks an engine ... Ahhhh, but what engine is it, you wonder? Good question -- the sheetmetal, frame and axles on these old Stovebolts were able to labor on much longer than their babbitted 216 motors. Thus, many have been re-engined at some point with later 235's and 261's. How to you tell which is which?
The 216's and early 235's have a valve cover held down by two studs running up through the center of it, and a tall side cover that the spark plugs go through.
Later ('54-'62) 235's and 261's have four screws around the outer edge of the valve cover to hold it down, and a short side cover that doesn't go as high as the spark plugs. The 261 has a raised set of 'captain's bars' (casting marks) in the block just forward of the starter.
The best way to identify your engine is to check the casting numbers on the head and block. Our good friends over at Inliners have a great listing of casting numbers that will help you definitively identify your mill. They have very good information on block and head casting numbers as their whole site just deals with engines.
From Jim Merritt, a tip to help identify early babbitted 235's (optional motors in the pre-'54 Big Bolts):
Here's a Chevy motor question that comes up all the time -- 216 or early 235? Guys are always posting this question. How to identify this early 235 High Torque, digging for numbers and measuring stuff.
Attached is a photo of my 1946 High Torque 235 pan which plainly has the number '235' stamped on the right side, big as day. These motors all have the tall side plate and different casting number appear all the time, this photo should help.
Now I can't say this number is on ALL High Torques as I personally have not seen every Chevy motor that was ever built.
(Editor's Note: I have a '49 babbitted 235 big truck motor in my '49 1-ton and although the pan has the raised pad as in Jim's photos, it does not have any numbers stamped in it. Of course, I can't guarantee that my pan is original to the motor. This is an interesting possibility, though, and more study is warranted. If you have a pre-'54 babbited 235, please check for this stamping on your oil pan and let us know if you have anything there or not.)
From Barry Weeks: I think you should add the following to help others to get the big picture.
Per my 1942 Chevy Parts Manual:
Oil Pan group # 1.426
- Part no. 839642 $7.60, 1941-42(235)........YM series.
- Part no. 839201 $7.60, 1940-42 ALL (but 'all' doesn't really mean all per the 235 numbered part -- Editor's Note: Huh?).
So this must be the 216 pan. I'm sure the 216 pan has no such number on the side. Also to further confuse or maybe clarify the issue, my 1951 Chevy truck shop manual states that all pans are the same, but lists different pan targeting gauges. So quite possibly these pans could be adjusted via the pan gauge to fit either motor?
v. December 2005
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Product Description
Rebuilt Remanufactured GM Chevy 235 Engine for Sale.
Remanufactured Chevy 235 3.9L OHV 12V Straight-6 Engine with Mechanical Lifters.
Price reflects Exchange with your Good Rebuildable Core.
Chevrolet 235 Engine Codes
Stock Rebuild:
New Pistons, Rings, Engine Bearings, Gasket Set, Freeze Plugs, Oil Pump Kit and Timing Set.
Chevy 235 Machine Services:
Recondition/Grind and Polish Crankshaft
Recondition/Grind and Polish Camshaft
Recondition Connecting Rods
Recondition/Rebuild Oil Pump
Bore and Hone Engine Block
Deck/Resurface Engine Block
Valve Job
Cleaned, Painted, and Assembled.
All to O.E.M. specifications.
Condition: Remanufactured
Zero Miles
Pick Your Color, choose Black, Blue, Grey, Orange or Red.
Tell us your color choice when you purchase your engine.
JUST AS PICTURED.
BLOCK & HEAD ONLY.
NO OIL PAN, NO Pickup Tube, Valve, Pushrod or Timing Covers.
It comes with Mounting Plate.
14-21 Days Processing Time.
Price: $2695.00 Plus $1300.00 Core Charge Fee (Refundable with Good Core) + Tax (CA).
SHIPPING IS EXTRA. Call or Email for an Estimate.
Warranty: 12 Months/ 12K miles for Non-Commercial Use.
Commercial warranty is 6 months.
More details on the Warranties page.
No Warranty on Track, Racing, or Competition use.
Chevrolet 235 Engine Water Neck
Core Deposit will be added at Checkout: $1300.00
Full Credit if Your Core is in Good Rebuildable condition with All components.
No Missing, Damaged, Cracked, or Broken Parts.
*** NOTE: Block Cores that are .40 Over or Higher, may Not receive Full Core Credit.***
More Details about Core Charges Here.
Chevrolet 235 Engine Specifications
Applications:
Chevy Trucks
Chevy Autos
GM Chevy 235 Inline-6 engine fits various models.
If you have questions, don’t hesitate to contact us.
Email or 818 767-6603
Are you doing your own rebuild?
We have GM Chevy 235 Engine Parts. Get the 235 Powerglide Engine Rebuild Kit, other kits available too.
We also offer Machine Services, like Bore and Hone, Crank and Cam grind and polish, plus Valve Jobs.
LATE MODEL 235’s WITH HYDRAULIC LIFTERS ALSO AVAILABLE, CONTACT US.