Ranger Roller vs. A237

JamesBaumann · May 19, 2004

Just looking for some opinions here from you guys. I'm still learning about this kind of thing and I'd just like a little info and recommendations from you guys. Here are the questions that I have to ask.

- Which of these two cams will give more power?
- I know that if I put in a Ranger roller cam & followers that I will not have to make any adjustments to the block. If I choose to put in an A237, will I have to touch the block, or can it just go in the head and that is that?
- Which of the two will give me a more lopey sounding idle?

You see, one of the projects I am doing this summer is to take a stock 2.3 cylinder head and get some things done to it, (milled, port & polish, new cam & followers) and I am trying to figure out exactly which set up will be the most effective. Therefore, any answers to these questions would help out a lot, and any other comments on the comparison of the two cams are welcomed as well. Thanks in advance for your time and input.

i4power · May 20, 2004

The A237 would make more power. The Ranger cam is exactly that: a cam from a Ranger 2.3 engine. It's made more for torque. Neither of them will have a lopey idle. The 237 should just drop right in, no mod necessary, but it would be good to get a second opinion from someone who has done the swap (bhuff30).

Cougar · May 20, 2004

A-237 is way better. The RR is a truck cam. You can retard it a ton to gain some top end, but you'll still make more power with the 237.

bhuff30 · May 20, 2004

you may find that the A237 lopes a little. espeically if you have a vacume leak.

JamesBaumann · May 20, 2004

For any of you that have looked at doing this before, what could I expect as some reasonable prices for these two cams? More specifically the A237.

mr_woodster · May 20, 2004

a-237 from ford last i heard was 211$ i picked up my ranger cam+roller followers (wich you will need either cam u pick) for less than 50$ at the jy...if your going to buy a ranger roller online,look for a good deal...dont let evil bay trick you into paying 100+$ for it!

Bearded Forever · May 20, 2004

85.5 SVO > A237

Touring23 · May 20, 2004

This is for an '88 (speed density)?

JamesBaumann · May 20, 2004

88 n/a 2.3

DRAGPAK · May 20, 2004

cam

Im using the a234 cam its a slider cam with the close spec of the a237 .It dose have a lope at an idle in my 86 svo,little doggy on take off but has a lot of midrange power. Still can buy it from ford $125.00

Touring23 · May 21, 2004

I believe someone on here tried the A237 in an N/A SD engine and had to take it out. The SD wouldn't tolerate it. I may be mistaken, though.

mr_woodster · May 21, 2004

Crovax said:
85.5 SVO > A237

i thought the a237 was the roller setup? 85.5 is a slider!

Ray III · May 23, 2004

I paid $105 for my ranger cam on evilbay

Why does it not make more top end power? When I compared the two cams, they have the same lift but the roller cam has longer duration. I would think that tends to deliver more power at higher RPM. (I haven't got this thing assembled so that's why I'm asking)

i4power · May 23, 2004

Touring23 said:
I believe someone on here tried the A237 in an N/A SD engine and had to take it out. The SD wouldn't tolerate it. I may be mistaken, though.

Yeah, speed density doesn't like big mods (cam and such). You'd have to re-program the computer to make it work right.

mr_woodster · May 24, 2004

Ray III said:
I paid $105 for my ranger cam on evilbay

Why does it not make more top end power? When I compared the two cams, they have the same lift but the roller cam has longer duration. I would think that tends to deliver more power at higher RPM. (I haven't got this thing assembled so that's why I'm asking)

Everyone debates about this, the say "stock for stock the ranger cam makes more low end torque, but petter's out at about 5k" though they are very similar, everyone has there own "seat of the pants dyno meter". On the bright side, the ranger cam with an adjustable cam sprocket retarded 4 degrees i have heard makes the rangercam breathe from top to bottom...just depends on how you want to spend your money truthfully. The A237 is the more performance oriented cam, but for the price the roller ranger really cant be beat (for a roller setup, mind you get a good deal aswell)

JamesBaumann · May 24, 2004

i4power said:
Yeah, speed density doesn't like big mods (cam and such). You'd have to re-program the computer to make it work right.

So you're telling me that if I want to put in an A237 I'm gonna have to completely re-program my computer?

Touring23 · May 24, 2004

Yup, that's my understanding. Sorry dude. Wish I could remember who tried that; it was here on Stangnet 2 or 3 years ago.

JamesBaumann · May 24, 2004

Anybody know how difficult that is to do? Or how to do it? I really know nothing about automotive computers.

Paul C. · May 24, 2004

Manny is running an A237 in his ITB Mustang with great success. His is Speed Density;hopefully he'll chime in.

Ranger Roller vs. A237

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