WANTED 455 or 403 Olds engine

Trader history for Cuttywhtnite (0)

oldsofb

Member
Oct 4, 2018
22
28
13
Maryland
Thanks Anubis, my sons want me to put an LS in the cutlass but I've been resisting.

resistance.png


Hutch
 

Olds 307 and 403

Well-known member
Oct 4, 2018
855
254
63
Melville, Saskatchewan
I like this a lot and Olds power or no power is my moto. I also have a 2004R with a 260 and 3.42 gears, both help. Get at least dual exhaust on the car. Sounds better and helps, don't be scared to through on 2.5" pipe. I had 1 5/8" Sanderson Shorties with 2.5" dual exhaust with a compact X pipe. If I had even a slight stall it would have left rubber and pulled strong through the rpms, it didn't feel like a 260. I took it off but I am putting it back on, currently less than 2" dual exhaust on the car, decent off the line but really struggles past 3000 RPM, the 4200 RPM shift point sounds really labouring for the poor baby Olds. So put the 2004R in with 3.42 or 3.73 gears and add your dual exhaust and headers if you find a 350, don't rule one out, especially with the new 4" stroker crank or a 403. Then you can take your time building the motor and still have something that will get out of it's own way and get good mileage doing it. Good luck with your search, c'mon local guys help him out.
 
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SupremeSpeed

Member
Oct 13, 2018
32
19
8
Northwest Ga
cuttywhtnite, let me check around my father in laws. I had a good 403 covered in his barn. May still be there if he hadn't got rid of it. As soon as I can get out there, maybe Saturday morning, I will let you know.
 

Cuttywhtnite

New member
Thread starter
Oct 9, 2018
10
0
1
Houston TX, 77073
Did you find a 403 or did you decide to do the Ls swap?
Topshelfmopars has a 455 but I haven't gotten over to look at it, I'm in San Antonio for an API winter Conference meeting and got to be in Austin next week. Looking for a complete motor, the 455 doesn't have an intake, carburetor, or front brakets for air, alternator, or P-Pump.
 

TiTiten87

New member
Oct 17, 2021
1
0
1
I have 455 rebuilt machines luneta can kit high rpm email to get pictures

Sent from my moto g play (2021) using Tapatalk
 
May 4, 2021
15
6
3
I'm looking for a good 455 or 403 olds engine for a 78 cutlass. I have a built 200 4R and the car currently has a 260 engine. I'm located in Houston.
I have a 403 eng. out of a '78 TransAm that's apart right now. Attached are pics of the Block (.030 over to 409 cu.) balanced rotating assembly {10.1 Forged Pistons, stock rods, crank), Pan, Edlebrock air gap single plane Manifold. see attached
I don't have the Heads, Water Pump, Fan/Shroud, or Alternator.
Contact me if interested, I live in Los Angeles, CA.
 

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Olds 307 and 403

Well-known member
Oct 4, 2018
855
254
63
Melville, Saskatchewan
Edelbrock Air Gap single plain? A Victor?
 
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