The official H/F piston/rod/crank/block specs and CR thread
#1
The official H/F piston/rod/crank/block specs and CR thread
Blocks
Block Type
H22A4 Block = Open Deck
H22A block = Closed Deck
H23A block = Open Deck
H23A1 block = Closed Deck
F22 block = Open Deck
F23 block = Open Deck
F20B block = Open Deck
Deck Height
H22A4 Block = 8.643
H22A block = 8.643
H23A block = 8.643
H23A1 block = 8.643
F22 block = 8.643
F23 block = 8.643
F20B block = 8.643
Bore
H22A4 Block = 87mm/3.425
H22A block = 87mm/3.425
H23A block = 87mm/3.425
H23A1 block = 87mm/3.425
F22 block = 85mm/3.346
F23 block = 86mm/3.385
F20B = 85mm/3.346
Note:
Due to various available piston diameters (A/B) actual bore diameter may vary
Rods
Length
H22A4 = 5.633
H22A = 5.633
H23A = 5.572
H23A1 = 5.572
F22 = 5.572
F23 = 5.551
F20B = 5.709
Width
H22A4 = .935
H22A = .935
H23A = .935
H23A1 = .935
F22 = .935
F23 = .780
F20B = .935
BE Bore
H22A4 = 2.008
H22A = 2.008
H23A = 2.008
H23A1 = 2.008
F22 = 2.008
F23 = 1.890
F20B = 1.890
Pin Bore
H22A4 =
H22A = .8649-.8654
H23A =
H23A1 = .8649-.8654
F22 = .8649-.8654
F23 = .8649-.8654
F20B =
Pistons
Bore
H22A4 = 87mm/3.425
H22A = 87mm/3.425
H23A = 87mm/3.425
H23A1 = 87mm/3.425
F22 = 85mm/3.346
F23 = 86mm/3.385
F20B = 85mm/3.346
Note:
actual diameter may vary depending on code of piston (ie, A B)
Compression Height
H22A4 = 1.221
H22A = 1.221
H23A = 1.203
H23A1 = 1.203
F22A1 = 1.203
F22A4 = 1.203
F23A1 = 1.181
F20B = 1.221
Dome Volume
H22A4 =
H22A =
H23A =
H23A1 =
F22A1 =
F22A4 =
F23A1 =
F23A4 =
F23A5 = -18cc
F20B =
Wrist Pin Diameter
H22A4 = .866
H22A = .866
H23A = .866
H23A1 = .866
F22 = .866
F23 = .866
F20B = .866
Crankshafts
Stroke
H22A4 = 90.7mm/3.570
H22A = 90.7mm/3.570
H23A = 95mm/3.740
H23A1 = 95mm/3.740
F22 = 95mm/3.740
F23 = 97mm/3.818
F20B = 88mm/3.464
Main Journal Diameter
H22A4 = 55mm
H22A4 = 50mm (1997 Only)
H22A = 50mm
H23A = 55mm
H23A1 = 50mm
F22 = 50mm
F23 = 55mm
F20B = 55mm
Rod Journal Diameter
H22A4 = 1.888
H22A = 1.888
H23A = 1.888
H23A1 = 1.888
F22 = 1.888
F23 = 1.771
F20B = 1.771
Cylinder Heads
Combustion Chamber Volume
H22A4 = 53.8cc
H22A = 53.8cc
H23A = 53.8cc
H23A1 = 50cc
F22A1 = 50cc
F22A4 = 50cc
F23A1 = 50cc
F23A4 = 50cc
F23A5 = 50cc
F20B =
Intake Valve Diameter
H22A4 = 35mm
H22A = 35mm
H23A = 35mm
H23A1 = 34mm
F22 = 34mm
F23 = 34mm
F20B = 34mm
Exhaust Valve Diameter
H22A4 = 30mm
H22A = 30mm
H23A = 30mm
H23A1 = 29mm
F22 = 29mm
F23 = 29mm
F20B = 29mm
Head Gaskets
Bore
H22A4 = 88mm
H22A = 88mm
H23A = 88mm
H23A1 = 88mm
F22 = 86mm
F23 = 87mm
F20B = 86mm
Thickness
H22A4 = .026
H22A = .026
H23A = .026
H23A1 = .026
F22 = .026
F23 = .026
F20B = .026
Note:
Gasket thickness measured after crush
Bearings
Main Bearing Thickness
Blue: 2.013 - 2.010mm / 0.0793 - 0.0791
Black: 2.010 - 2.007mm / 0.0791 - 0.0790
Brown: 2.007 - 2.004mm / 0.0790 - 0.0789
Green: 2.004 - 2.001mm / 0.0789 - 0.0788
Yellow: 2.001 - 1.998mm / 0.0788 - 0.0787
Pink: 1.998 - 1.995mm / 0.0787 - 0.0785
Red: 1.995 - 1.992mm / 0.0785 - 0.0783
Rod Bearing Thickness
Blue: 1.510 - 1.507mm / 0.0594 - 0.0593
Black: 1.507 - 1.504mm / 0.0593 - 0.0592
Brown: 1.504 - 1.501mm / 0.0592 - 0.0591
Green: 1.501 - 1.498mm / 0.0591 - 0.0590
Yellow: 1.498 - 1.495mm / 0.0590 - 0.0589
Pink: 1.495 - 1.492mm / 0.0589 - 0.0587
Red: 1.492 - 1.489mm / 0.0587 - 0.0586
Main Bearing Width
H22A4 = .784
H22A = .784
H23A = .784
H23A1 = .784
F22A1 = .784
F22A4= .784
F23A1 = .784
F23A4 = .784
F23A5 = .784
F20B = .784
Rod Bearing Width
H22A4 = .762
H22A = .762
H23A = .762
H23A1 = .762
F22A1 = .762
F22A4 = .762
F23A1 = .609
F23A4 = .609
F23A5 = .609
F20B = .762
Block Type
H22A4 Block = Open Deck
H22A block = Closed Deck
H23A block = Open Deck
H23A1 block = Closed Deck
F22 block = Open Deck
F23 block = Open Deck
F20B block = Open Deck
Deck Height
H22A4 Block = 8.643
H22A block = 8.643
H23A block = 8.643
H23A1 block = 8.643
F22 block = 8.643
F23 block = 8.643
F20B block = 8.643
Bore
H22A4 Block = 87mm/3.425
H22A block = 87mm/3.425
H23A block = 87mm/3.425
H23A1 block = 87mm/3.425
F22 block = 85mm/3.346
F23 block = 86mm/3.385
F20B = 85mm/3.346
Note:
Due to various available piston diameters (A/B) actual bore diameter may vary
Rods
Length
H22A4 = 5.633
H22A = 5.633
H23A = 5.572
H23A1 = 5.572
F22 = 5.572
F23 = 5.551
F20B = 5.709
Width
H22A4 = .935
H22A = .935
H23A = .935
H23A1 = .935
F22 = .935
F23 = .780
F20B = .935
BE Bore
H22A4 = 2.008
H22A = 2.008
H23A = 2.008
H23A1 = 2.008
F22 = 2.008
F23 = 1.890
F20B = 1.890
Pin Bore
H22A4 =
H22A = .8649-.8654
H23A =
H23A1 = .8649-.8654
F22 = .8649-.8654
F23 = .8649-.8654
F20B =
Pistons
Bore
H22A4 = 87mm/3.425
H22A = 87mm/3.425
H23A = 87mm/3.425
H23A1 = 87mm/3.425
F22 = 85mm/3.346
F23 = 86mm/3.385
F20B = 85mm/3.346
Note:
actual diameter may vary depending on code of piston (ie, A B)
Compression Height
H22A4 = 1.221
H22A = 1.221
H23A = 1.203
H23A1 = 1.203
F22A1 = 1.203
F22A4 = 1.203
F23A1 = 1.181
F20B = 1.221
Dome Volume
H22A4 =
H22A =
H23A =
H23A1 =
F22A1 =
F22A4 =
F23A1 =
F23A4 =
F23A5 = -18cc
F20B =
Wrist Pin Diameter
H22A4 = .866
H22A = .866
H23A = .866
H23A1 = .866
F22 = .866
F23 = .866
F20B = .866
Crankshafts
Stroke
H22A4 = 90.7mm/3.570
H22A = 90.7mm/3.570
H23A = 95mm/3.740
H23A1 = 95mm/3.740
F22 = 95mm/3.740
F23 = 97mm/3.818
F20B = 88mm/3.464
Main Journal Diameter
H22A4 = 55mm
H22A4 = 50mm (1997 Only)
H22A = 50mm
H23A = 55mm
H23A1 = 50mm
F22 = 50mm
F23 = 55mm
F20B = 55mm
Rod Journal Diameter
H22A4 = 1.888
H22A = 1.888
H23A = 1.888
H23A1 = 1.888
F22 = 1.888
F23 = 1.771
F20B = 1.771
Cylinder Heads
Combustion Chamber Volume
H22A4 = 53.8cc
H22A = 53.8cc
H23A = 53.8cc
H23A1 = 50cc
F22A1 = 50cc
F22A4 = 50cc
F23A1 = 50cc
F23A4 = 50cc
F23A5 = 50cc
F20B =
Intake Valve Diameter
H22A4 = 35mm
H22A = 35mm
H23A = 35mm
H23A1 = 34mm
F22 = 34mm
F23 = 34mm
F20B = 34mm
Exhaust Valve Diameter
H22A4 = 30mm
H22A = 30mm
H23A = 30mm
H23A1 = 29mm
F22 = 29mm
F23 = 29mm
F20B = 29mm
Head Gaskets
Bore
H22A4 = 88mm
H22A = 88mm
H23A = 88mm
H23A1 = 88mm
F22 = 86mm
F23 = 87mm
F20B = 86mm
Thickness
H22A4 = .026
H22A = .026
H23A = .026
H23A1 = .026
F22 = .026
F23 = .026
F20B = .026
Note:
Gasket thickness measured after crush
Bearings
Main Bearing Thickness
Blue: 2.013 - 2.010mm / 0.0793 - 0.0791
Black: 2.010 - 2.007mm / 0.0791 - 0.0790
Brown: 2.007 - 2.004mm / 0.0790 - 0.0789
Green: 2.004 - 2.001mm / 0.0789 - 0.0788
Yellow: 2.001 - 1.998mm / 0.0788 - 0.0787
Pink: 1.998 - 1.995mm / 0.0787 - 0.0785
Red: 1.995 - 1.992mm / 0.0785 - 0.0783
Rod Bearing Thickness
Blue: 1.510 - 1.507mm / 0.0594 - 0.0593
Black: 1.507 - 1.504mm / 0.0593 - 0.0592
Brown: 1.504 - 1.501mm / 0.0592 - 0.0591
Green: 1.501 - 1.498mm / 0.0591 - 0.0590
Yellow: 1.498 - 1.495mm / 0.0590 - 0.0589
Pink: 1.495 - 1.492mm / 0.0589 - 0.0587
Red: 1.492 - 1.489mm / 0.0587 - 0.0586
Main Bearing Width
H22A4 = .784
H22A = .784
H23A = .784
H23A1 = .784
F22A1 = .784
F22A4= .784
F23A1 = .784
F23A4 = .784
F23A5 = .784
F20B = .784
Rod Bearing Width
H22A4 = .762
H22A = .762
H23A = .762
H23A1 = .762
F22A1 = .762
F22A4 = .762
F23A1 = .609
F23A4 = .609
F23A5 = .609
F20B = .762
#4
Re: The official H/F piston/rod/crank/block specs and CR thread (earl)
what about the h22a1 should all be the same as the h22a cept for pistons. Nice to have all these specs together finally
#6
Re: The official H/F piston/rod/crank/block specs and CR thread (b16hybridsol)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b16hybridsol »</TD></TR><TR><TD CLASS="quote">what about the h22a1 should all be the same as the h22a cept for pistons. Nice to have all these specs together finally </TD></TR></TABLE>
yes
yes
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#17
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Re: The official H/F piston/rod/crank/block specs and CR thread (11seclude)
Would a h23 crank, pistons and h22 11.5:1 pistons work in a h22 block?
#18
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Re: The official H/F piston/rod/crank/block specs and CR thread (11seclude)
Can you use a h23 crank, rods, and h22 pistons 11.5:1 in a h22 block?
#19
Re: The official H/F piston/rod/crank/block specs and CR thread (allmotorh22)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by allmotorh22 »</TD></TR><TR><TD CLASS="quote">Can you use a h23 crank, rods, and h22 pistons 11.5:1 in a h22 block?</TD></TR></TABLE>
you can but the h22 is a higher reving motor than the h23. to me what you trying to do is a destroke . what you might want to do is bore out the h22 to 89mm for the extra .1 liter and have a 2.3L h22. and keep the high rev because h22 are chaser motors
you can but the h22 is a higher reving motor than the h23. to me what you trying to do is a destroke . what you might want to do is bore out the h22 to 89mm for the extra .1 liter and have a 2.3L h22. and keep the high rev because h22 are chaser motors
#20
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Re: The official H/F piston/rod/crank/block specs and CR thread (11seclude)
Can anybody tell me if a h23 crank, rods, and 11.5:1 aftermarket h22 pistons will work in a h22 block?
#21
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Re: The official H/F piston/rod/crank/block specs and CR thread (11seclude)
I have a h22 block that is sleeved to 89mm bore and what I was thinking was to add the h23 crank. The reason I was gonna do that is cause the h23 crank is 95 mm and the h22 is 90. Why would that be destroking it?
#23
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Re: The official H/F piston/rod/crank/block specs and CR thread (11seclude)
Wouldn't putting a h23 95mm crank in a h22 block increase the stroke considering that the h22 crank is 90mm and use h23 rods with a 89mm piston. What would you have?
#25
Re: The official H/F piston/rod/crank/block specs and CR thread (allmotorh22)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by allmotorh22 »</TD></TR><TR><TD CLASS="quote">Wouldn't putting a h23 95mm crank in a h22 block increase the stroke considering that the h22 crank is 90mm and use h23 rods with a 89mm piston. What would you have?</TD></TR></TABLE>
i believe you have to use the h23 rods also and at 89mm bore it will be at 2.5L if i remember right
i believe you have to use the h23 rods also and at 89mm bore it will be at 2.5L if i remember right