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Old 08-27-2021, 07:27 PM   #51
2turbotoys
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Originally Posted by JohnMc View Post
40 DCOE(like) carbs, cam, exhaust, and some head work (can't tell on that last one) and you'll probably get a decent 150 - 160 HP out of the B20. Vs. only every so slightly more from a bone stock 940T.

And with the 940 probably weighing 500 - 600 lbs more... That's not hard to believe.
It has a fuel injection head on it for some reason, he seemed to think it was a performance mod. I have no idea if it was higher compression or shaved or something.
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Old 08-27-2021, 07:31 PM   #52
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It has a fuel injection head on it for some reason, he seemed to think it was a performance mod. I have no idea if it was higher compression or shaved or something.
Fuel injected heads got somewhat better-flowing ports. Also, depending on the year, bigger valves.
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Old 08-27-2021, 08:09 PM   #53
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Ah, that explains it, thanks!
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Old 08-27-2021, 08:10 PM   #54
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Ah, that explains it, thanks!
I mean, don't thank me. Everything I learned about pushrod motors I got from hiperfauto and JohnMC when I was still messing around with the 144...
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Old 08-27-2021, 08:18 PM   #55
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Well you are the one who passed it on. We all learn from those guys, I thank Ian on a regular basis haha. So thanks to JohnMC as well!

Wait, this thing has pushrods? Learned something else haha, the cars this old are new to me.
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Old 08-27-2021, 08:24 PM   #56
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Wait, this thing has pushrods? Learned something else haha, the cars this old are new to me.
Yeah, and they're also reverse-flow.

The B20 is so much fun, you should try it and then immediately cry!

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Old 08-27-2021, 08:41 PM   #57
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Having the intake and exhaust on the same side always rubs me the wrong way, I can't believe how long Jeep stuck with that arrangement.
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Old 08-28-2021, 10:55 AM   #58
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Having the intake and exhaust on the same side always rubs me the wrong way, I can't believe how long Jeep stuck with that arrangement.
A relative has a 2001 Cherokee and its still got the 4.0 liter AMC straight six in it. Stupidly durable motor.
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Old 08-28-2021, 11:07 AM   #59
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Originally Posted by 2turbotoys View Post
It has a fuel injection head on it for some reason, he seemed to think it was a performance mod. I have no idea if it was higher compression or shaved or something.
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Originally Posted by fatcatbestcat View Post
Fuel injected heads got somewhat better-flowing ports. Also, depending on the year, bigger valves.
Plus the 8.7-1 compression will run well on what passes for gasoline these days.

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Yeah, and they're also reverse-flow.

The B20 is so much fun, you should try it and then immediately cry!



That sweet B20 sewing machine sound!
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Old 08-28-2021, 11:16 AM   #60
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Plus the 8.7-1 compression will run well on what passes for gasoline these days.
From what I've read so long as you aren't running the 10.5:1 ratio the B20E got then you should be fine on pump gas. Apparently people get pinging with that on the high octane (91) we have in California.


As far as older pushrod designs go I've found the B18 and B20 to perform very well. They certainly rev a lot better and put out more usable torque than other OHV four cylinder cars I've driven.
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Old 08-28-2021, 11:38 AM   #61
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As far as older pushrod designs go I've found the B18 and B20 to perform very well. They certainly rev a lot better and put out more usable torque than other OHV four cylinder cars I've driven.
I'm sure they rev even better when there isn't a bashed crank gear stuck on the end.
Learn from my mistakes.
Wait, are we still trying to convince the OP that he should buy this car?
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Old 08-28-2021, 01:17 PM   #62
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I'm sure they rev even better when there isn't a bashed crank gear stuck on the end.
Learn from my mistakes.
Wait, are we still trying to convince the OP that he should buy this car?
I think so. Or at least get him to drink the OHV kool aid.
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Old 08-28-2021, 07:36 PM   #63
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Ha, I can appreciate them from afar. Hoping someone I know buys it so I can take it for a rip.

I used my B21 as ballast on the engine hoist as I put the LS in my 242, more my kind of thing right now.
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Old 08-28-2021, 08:37 PM   #64
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LS in my 242, more my kind of thing right now.
Hubert would be proud.

You should still buy that 142.
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Old 08-28-2021, 09:04 PM   #65
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The main reason I can't get it is because it would have to live in my yard. That would kill that car quickly. It would never dry out, and by the time I got through my current project, the 142 would be rusty. I have 3 parking spaces (1 is in the grass) and a 1 car garage. I have 4 cars.
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