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f22 rods in an h22a?

 
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Old 01-24-2011, 06:02 PM
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f22 rods in an h22a?

ok i have a 92 lude with a jdm h22a in it. when i bought the car vtec didnt work. then somehow, as i was driving in a massive rainstorm, at LOW rpm's i might add, my car dies. i cranked for about 20 min and it finally fired up. only with a LOUD knock. so i drive it home and rip it apart and the #1 conncting rod bent. so i got a new balanced and pollished crank from an h22a, and new main and rod bearings. i had some spare f22b2 rods laying around. they are a little shorter than the stock h22a rods. they should still work fine and carry enough compression to run right? and after i got it back together and put it in the car, it did not want to run. so i did a comp test and i had about 30 lbs of compression on the first 2 cylinders. when i put the head gasket on i torqued it down twice, like a dumbass. i forgot something and had to do it again. so i tore the motor apart and found what looked like a piece of the compression tester stuck in the spark plug hole for cylinder 1. so im going to get that out and make sure the threads on all 4 cylinders are good. buy a new head gasket, and put it back together. my questions are ,would the f22 rods cause the compression to drop from 250 lbs to 30 lbs? personally i dont think it should. i think i had a gasket leak. and will the motor run with the f22 rods? assuming the head gasket seals the way it should. any info will be greatly appreciated. thanks in advance.
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Old 01-24-2011, 10:02 PM
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Re: f22 rods in an h22a?

i dont know, but i would just use the h22 rods. usdm h22a1 rods should be a direct replacement.
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Old 01-24-2011, 10:16 PM
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Re: f22 rods in an h22a?

the CR should still be around 9:1, which shouldn't equate to 30psi of compression. you have a leak somewhere. are the piston rings new or used?
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Old 01-24-2011, 10:29 PM
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Re: f22 rods in an h22a?

The rings are new and in the right place. So this set up should run ok then? Get a new gasket and try it out?
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