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Guest Anonymous, November 21, 2002 in '02 General Discussion
they probably would not match. But that was just a guess.
A stock un-bored 1600 block would give you something like a "1700" or an "1800." If you are used to the 2002, you should probably pair the 2002 head with the 2002 block, unless you want to bore out the 1600 block and maybe do some funky stuff with different pistons to bring the compression ration into some range that would give you good driveability. The standard 1600 head (marked 118) has smaller intake and exhaust valve ports, and from what Paul@Max tells me has a different spacing between intake (and maybe exhaust) mounting studs, althought I gotta measure this stuff to confirm. Early 1600 blocks used a 6-bolt crank which doesn't pair with the 2002 clutch kits. Some of the later 1600s *may* have gotten lucky with the 8-bolt crank, like mine. All-in-all, if you want to do some machining, you can probably make it work, but it might be easier and more cost-effective to use a 2002 block, or get a good used 2002 M10 engine.
to improve performance. I think you had a post earlier on this topic? My feeling, after driving a 1600 for 16 years (my old man bought it new in '69), is that to get the power you gotta keep it "on the cam" above 3200 rpm. The engine loves to stay around 3200-3800 rpm, except at idle, obviously. It will top out at about 90-95 mph or so, but will be very buzzy at higher rpms on the highway. The 4:11 rear-end gearing is used to give more low-end torque with the smaller-displacement engine (I think). Likewise, I believe the 1600s, when new, used a different piston profile for a slightly lower compression ratio. Any 121 or E21 head swap onto a 1600 block would need to take into consideration the compression ratio and bore/stoke changes. If you want more power, or the big sound you get from dual 40's, you might want to consider the 2 liter M10, head, block, and all. I like my 1.6, as it kicks ass on the twisties, as long as you're in tune with the power band, torque, and when to shift. However, expect the folks in tiis and dual-sidedraft 2 liters to wipe your ass all over the interstate highways at 80+ mph, although you can keep up. You will surprise them at how you can keep up, because you will have mastered the 1.6 liter power band. If you rev your 1.6 a lot, I would recommend frequent oil changes with 20w50. I like Castrol.
I have a 1600 also.They come with a 118 cyl head.It looks much like a 121 with smaller ports.When I was putting it back together I performed a bunch of port and chamber work.I'm running two litre intake w38/38 weber and header.The crank is a 8-bolt version,and I'm also running a 5sp.The car hauls ass and will run with all but the most radical 2.0litres.Build the 1600 and have fun,and be slightly differt in the 02 world.
I salvaged the car in 85 and have used it as my primary commuter vehicle
for the last 17 years. I work on it myself and, over the years have replaced or repaired everything. I do the work and buy tools with the money normally spent on labor. I now have a fairly decent tool collection, as I own a 76 2002 as well.
I have replaced the diff with a 4:11 and fully agree with respect to the performance comments. The engine is a little buzzy, but I don't commute far. The restored stock solex (the slightly larger 1barrel model) and pertronix allow me to adjust down the idle speed down to about 150 rpm which perfect for crawling down the fwy on ramp when the traffic control meter in use. I think it needs to inhale and exhale with less restriction. I like the look of the lynx. I think its kool.
a. get another 118 head, modify to accept lynx mani and swap out the orig.
b. swap the orig. head with the larger 121 or, E21 head and cast exhaust.
c. start driving the 2002 instead.
The tranny is still good and the clutch and t.o bearing are not bad yet.
I just want to tweak it a little. I am also considering an open loop cng or propane
conversion for the advantage I can get while commuting. I like the 1600 over the 2002 even though the 02 is newer, faster (more torquey) , in better shape, has a stereo and sunroof.
My 1600 is a 69'.The 1600 in it is also a 69' spec motor.I have two 67' spec 1600 and both of those are six bolt cranks.
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