which head sud i put on a k20z1 block ?
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which head sud i put on a k20z1 block ?
i have a k20z1 block should i jus put a z1 head or can i use a a2 head ?
also ne 1 kno if i can use si 32 mm axles on da 6spd tranny ??????
also ne 1 kno if i can use si 32 mm axles on da 6spd tranny ??????
Last edited by datdude814; Dec 17, 2008 at 10:33 AM.
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Re: which head sud i put on a k20z1 block ?
Differences between a z1 and a1 are...
-cams are different on ALL motors. K20a has itr cams (obivously) K20z1 has their own cams that are better then k20a2 cams but not as good as ITR cams and k20a2 cames have Type-S cams (obivously).
The cams in a k20z1 are in between a a1 and a2...but a1 cams are SO mild of a upgrade over a2 cams that z1 cams are even less. They're better cams then the a2 motor but by a extremely SMALL amount, ITR cams > z1. They're different cams...they have different part #'s.
-Bolt ons: K20z1 has a ITR snorkel and catback...that's it. It does NOT have a ITR intake manifold which everyone seems to think they do, nor does it have the header, downpipe and cat. K20a,a2,z1 all have the same throttle body. The k20a3 found in the 02-05 EP3 has a z1/a2 Intake manifold and throttle body. The base RSX which shares the same motor has a dual runner setup like the 3rd gen GS-R and a slightly smaller TB.
-Compression: k20a has .5 more compression due to more material on the k20a pistons vs k20z1 and a2. Rods, crank, bearings, head, block, pan, everything else is the same/identical.
-cams are different on ALL motors. K20a has itr cams (obivously) K20z1 has their own cams that are better then k20a2 cams but not as good as ITR cams and k20a2 cames have Type-S cams (obivously).
The cams in a k20z1 are in between a a1 and a2...but a1 cams are SO mild of a upgrade over a2 cams that z1 cams are even less. They're better cams then the a2 motor but by a extremely SMALL amount, ITR cams > z1. They're different cams...they have different part #'s.
-Bolt ons: K20z1 has a ITR snorkel and catback...that's it. It does NOT have a ITR intake manifold which everyone seems to think they do, nor does it have the header, downpipe and cat. K20a,a2,z1 all have the same throttle body. The k20a3 found in the 02-05 EP3 has a z1/a2 Intake manifold and throttle body. The base RSX which shares the same motor has a dual runner setup like the 3rd gen GS-R and a slightly smaller TB.
-Compression: k20a has .5 more compression due to more material on the k20a pistons vs k20z1 and a2. Rods, crank, bearings, head, block, pan, everything else is the same/identical.
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Differences between a z1 and a1 are...
-cams are different on ALL motors. K20a has itr cams (obivously) K20z1 has their own cams that are better then k20a2 cams but not as good as ITR cams and k20a2 cames have Type-S cams (obivously).
The cams in a k20z1 are in between a a1 and a2...but a1 cams are SO mild of a upgrade over a2 cams that z1 cams are even less. They're better cams then the a2 motor but by a extremely SMALL amount, ITR cams > z1. They're different cams...they have different part #'s.
-Bolt ons: K20z1 has a ITR snorkel and catback...that's it. It does NOT have a ITR intake manifold which everyone seems to think they do, nor does it have the header, downpipe and cat. K20a,a2,z1 all have the same throttle body. The k20a3 found in the 02-05 EP3 has a z1/a2 Intake manifold and throttle body. The base RSX which shares the same motor has a dual runner setup like the 3rd gen GS-R and a slightly smaller TB.
-Compression: k20a has .5 more compression due to more material on the k20a pistons vs k20z1 and a2. Rods, crank, bearings, head, block, pan, everything else is the same/identical.
-cams are different on ALL motors. K20a has itr cams (obivously) K20z1 has their own cams that are better then k20a2 cams but not as good as ITR cams and k20a2 cames have Type-S cams (obivously).
The cams in a k20z1 are in between a a1 and a2...but a1 cams are SO mild of a upgrade over a2 cams that z1 cams are even less. They're better cams then the a2 motor but by a extremely SMALL amount, ITR cams > z1. They're different cams...they have different part #'s.
-Bolt ons: K20z1 has a ITR snorkel and catback...that's it. It does NOT have a ITR intake manifold which everyone seems to think they do, nor does it have the header, downpipe and cat. K20a,a2,z1 all have the same throttle body. The k20a3 found in the 02-05 EP3 has a z1/a2 Intake manifold and throttle body. The base RSX which shares the same motor has a dual runner setup like the 3rd gen GS-R and a slightly smaller TB.
-Compression: k20a has .5 more compression due to more material on the k20a pistons vs k20z1 and a2. Rods, crank, bearings, head, block, pan, everything else is the same/identical.
thanks 4 da info mann
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Rep Power: 304 Re: which head sud i put on a k20z1 block ?
the z1 is in the newest type-s (05-06) its at 201 hp
the a2 is the older type-s (02-04) its at 198 hp
the a is the one from the ITR and the CTR which is at 217 hp
thats what i remember at least
the a2 is the older type-s (02-04) its at 198 hp
the a is the one from the ITR and the CTR which is at 217 hp
thats what i remember at least
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