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505 Stroker swap

Started by timmycharger, June 22, 2026, 07:40:30 AM

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496polara

It may be an unpopular opinion and likely not worth the extra $$$ unless you sold your 2" headers but I believe the 1 7/8 tubes with that cam size and the 4 speed would help with low speed/part throttle torque and drivability.
I realize a 505 will have torque to spare so maybe a moot point. Just a suggestion from my feeble mind.
1972 Duster 440,1972 Chrysler Newport 400,1982 Chevy C10 454,01 Ford Mustang GT vert,06 Chevy Impala SS

timmycharger

Quote from: 496polara on August 05, 2026, 05:31:54 PMIt may be an unpopular opinion and likely not worth the extra $$$ unless you sold your 2" headers but I believe the 1 7/8 tubes with that cam size and the 4 speed would help with low speed/part throttle torque and drivability.
I realize a 505 will have torque to spare so maybe a moot point. Just a suggestion from my feeble mind.

I have been going back and forth about re using the 2 inch headers vs getting new ones. I will need to spend money in having them sand blasted and re coated which may be half the price of getting new ones. If I do need to get new ones, I was leaning on getting 1 and 7/8 ones as I feel the same about the low end torque.

The guy who helped me choose my cam didn't say anything about the headers.

Kern Dog

I am not surprised that Dwayne remembered me. He was really helpful to me over the years. I have a few topics going at the FBBO site and he chimed in there several times.
The cam you are using will probably not be much different from mine, though you're at 505 versus my 495 cubes. Idle is great, power is right where you need it. Idle vacuum is strong enough for power brakes and you'll find that it pulls clean right from idle. If you've ever had a setup that snorts, hesitates or is sluggish from idle and requires rpm to feel comfortable, you'll know how much better it is to be able to leave from a low rpm and just accelerate like you would in a newer car.
Good luck, man!