R16 Overhaul Update: New Parts
Bought Nissan H20 "dished" pistons thinking that it would be alright to use in the R16 engine. The R16 and H20 piston bore is the same at 87 mm, but the dished layout used on the H20 will decrease the compression ratio of the engine to 8:1, which will hurt performance. The stock R16 pistons have a 9:1 ratio so I decided to stick with the old pistons and just re-sleeve the block to bring back the compression.
R16 "domed" piston (above) & H20 "dished" piston (below)
I'll be using the H20 liners (above) to re-sleeve the R16 block and keep the standard compression ratio of 9:1. I hope they work out just fine, since I figured that the bore of both engines are the same. Keeping my fingers crossed!
I also had a hard time looking for the R16's 3 main bearings. Unfortunately, the H20 main bearings cannot be used with the 3 main bearing R16. It can only be used to R16's that are the 5 main bearing type. Hopefully, the machine would be able to refurbish or manufacture a set. Keeping my fingers crossed again!
H20 Piston Rings - I hope they work with the R16 "domed" pistons!
Piston Pin Bushings for the H20
Timing Chain Replacement
H20 Full Gasket Set - Based from the 311s' forum, this should be ok to use on the R16 as the gasket patterns and oils seals are the same.
New Old Stock Distributor Cap Replacement - Transparent! This should be interesting!
Bought Nissan H20 "dished" pistons thinking that it would be alright to use in the R16 engine. The R16 and H20 piston bore is the same at 87 mm, but the dished layout used on the H20 will decrease the compression ratio of the engine to 8:1, which will hurt performance. The stock R16 pistons have a 9:1 ratio so I decided to stick with the old pistons and just re-sleeve the block to bring back the compression.
R16 "domed" piston (above) & H20 "dished" piston (below)
I'll be using the H20 liners (above) to re-sleeve the R16 block and keep the standard compression ratio of 9:1. I hope they work out just fine, since I figured that the bore of both engines are the same. Keeping my fingers crossed!
I also had a hard time looking for the R16's 3 main bearings. Unfortunately, the H20 main bearings cannot be used with the 3 main bearing R16. It can only be used to R16's that are the 5 main bearing type. Hopefully, the machine would be able to refurbish or manufacture a set. Keeping my fingers crossed again!
H20 Piston Rings - I hope they work with the R16 "domed" pistons!
Piston Pin Bushings for the H20
Bought H20 Con Rod Bearings which are 0.25mm oversize. Based from forum readings (www.311s.org) these can be used with the R16 Con Rods. The machine shop honed the crankshaft to smoothen out the streaks caused by wear thus 0.25mm is needed to compensate for the smaller crankshaft diameter for the Con Rods.
Timing Chain Replacement
H20 Full Gasket Set - Based from the 311s' forum, this should be ok to use on the R16 as the gasket patterns and oils seals are the same.
New Old Stock Distributor Cap Replacement - Transparent! This should be interesting!Damage report on the parts:
1. H20 Cylinder Liners = P3,300
2. H20 Piston Rings = P1,800
3. H20 Complete Gasket Set = P2,100
4. Timing Chain Replacement = P380
5. H20 Con Rod Bearings = P850
6. Piston Pin Bushings = P450
7. NGK BP6ES x 4 = P260
8. Daichi Distributor Cap = P300
9. Oil Filter x 2 = P110
10. Kyosan Denki Fuel Pump = P1,800
11. Auto Ace Spark Plug Cables = P350
Total Damages (not including overhaul and machining cost!) = P11,700 (Ouch! - still looking for new main bearings)
1. H20 Cylinder Liners = P3,300
2. H20 Piston Rings = P1,800
3. H20 Complete Gasket Set = P2,100
4. Timing Chain Replacement = P380
5. H20 Con Rod Bearings = P850
6. Piston Pin Bushings = P450
7. NGK BP6ES x 4 = P260
8. Daichi Distributor Cap = P300
9. Oil Filter x 2 = P110
10. Kyosan Denki Fuel Pump = P1,800
11. Auto Ace Spark Plug Cables = P350
Total Damages (not including overhaul and machining cost!) = P11,700 (Ouch! - still looking for new main bearings)
Labels: New Parts for R16 Overhaul
posted by Steven at 3:49 PM
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