 Upgrading 71 1.7 to 2.0, How compatible is it? |
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| R_u_dd |
 Dec 13 2014, 01:56 PM
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#1
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Member  Group: Members Posts: 154 Joined: 3-March 14 From: Grants Pass, Oregon Member No.: 17,072 Region Association: Pacific Northwest  |
I have the opportunity to purchase a '75 2.0 (link) to upgrade my '71 1.7. What problems am I going to run into with the electronics and mechanics, clutch fit etc? It's got to be easier than the Suby conversion I've had my sights on for a while. It's priced at $995 and was running when it was pulled. Does that sound like a good price?
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| bdstone914 |
Dec 13 2014, 02:25 PM
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#2
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bdstone914 Group: Members Posts: 4,522 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
Are both engines fuel injection equipped?
If you get the 2.0 complete with ecu and engine harness there are no electrical or mechanical problems. I would get a compression check on the 2.0. Could be a good price if the engine is in good shape. |
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| TheCabinetmaker |
Dec 13 2014, 03:27 PM
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#3
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I drive my car everyday Group: Members Posts: 8,300 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
I'm thinking 500 tops. It's an unknown engine. I've seen some very sad engines that "ran"
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| EdwardBlume |
Dec 13 2014, 06:53 PM
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#4
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914 Wizard Group: Members Posts: 12,338 Joined: 2-January 03 From: SLO Member No.: 81 Region Association: Central California 
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Compresssion check, visual check of fuel injectors, wiring, and oil.
A 2.0 is better than a 1.7 in terms of HP and torque. You will notice. Then again, if the motor is tired, you may not. A stock 2.0 IMHO is worth about 100K original miles, and 60-80K rebuild miles. |
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| bdstone914 |
Dec 13 2014, 07:31 PM
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#5
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bdstone914 Group: Members Posts: 4,522 Joined: 8-November 03 From: Riverside CA Member No.: 1,319 |
QUOTE(R_u_dd @ Dec 13 2014, 01:56 PM)  I have the opportunity to purchase a '75 2.0 to upgrade my '71 1.7. What problems am I going to run into with the electronics and mechanics, clutch fit etc? It's got to be easier than the Suby conversion I've had my sights on for a while. It's priced at $995 and was running when it was pulled. Does that sound like a good price? If if is the same engine listed in the classifieds here you will need a different set of headers or heat exchangers and exhaust. That one was set up for a rear engine dune buggy. |
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| R_u_dd |
Dec 13 2014, 07:37 PM
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#6
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Member Group: Members Posts: 154 Joined: 3-March 14 From: Grants Pass, Oregon Member No.: 17,072 Region Association: Pacific Northwest |
QUOTE(R_u_dd @ Dec 13 2014, 11:56 AM) I have the opportunity to purchase a '75 2.0 to upgrade my '71 1.7. What problems am I going to run into with the electronics and mechanics, clutch fit etc? It's got to be easier than the Suby conversion I've had my sights on for a while. It's priced at $995 and was running when it was pulled. Does that sound like a good price? Yes, he has the original fuel injection for the engine and a carb set-up. The previous owner had it on a sand rail- using duel carbs- but upgraded to a v8, and sold the engine. Apparently it ran nicely on the sand rail. |
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| R_u_dd |
Dec 13 2014, 07:39 PM
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#7
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Member Group: Members Posts: 154 Joined: 3-March 14 From: Grants Pass, Oregon Member No.: 17,072 Region Association: Pacific Northwest |
QUOTE(RobW @ Dec 13 2014, 04:53 PM) Compresssion check, visual check of fuel injectors, wiring, and oil. A 2.0 is better than a 1.7 in terms of HP and torque. You will notice. Then again, if the motor is tired, you may not. A stock 2.0 IMHO is worth about 100K original miles, and 60-80K rebuild miles. Probably the same one- Eugene, Oregon. |
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| R_u_dd |
Dec 13 2014, 07:50 PM
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#8
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Member Group: Members Posts: 154 Joined: 3-March 14 From: Grants Pass, Oregon Member No.: 17,072 Region Association: Pacific Northwest |
QUOTE(R_u_dd @ Dec 13 2014, 05:39 PM) QUOTE(RobW @ Dec 13 2014, 04:53 PM) Compresssion check, visual check of fuel injectors, wiring, and oil. A 2.0 is better than a 1.7 in terms of HP and torque. You will notice. Then again, if the motor is tired, you may not. A stock 2.0 IMHO is worth about 100K original miles, and 60-80K rebuild miles. Probably the same one- Eugene, Oregon. Yep, GC000556, just two hours north on Interstate 5 |
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| Dave_Darling |
Dec 13 2014, 08:04 PM
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#9
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914 Idiot Group: Members Posts: 14,986 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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You can use the 1.7 exhaust on the 2.0 motor. It won't be optimal, but it'll work OK.
--DD |
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| R_u_dd |
Dec 13 2014, 08:26 PM
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#10
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Member Group: Members Posts: 154 Joined: 3-March 14 From: Grants Pass, Oregon Member No.: 17,072 Region Association: Pacific Northwest |
QUOTE(Dave_Darling @ Dec 13 2014, 06:04 PM) You can use the 1.7 exhaust on the 2.0 motor. It won't be optimal, but it'll work OK. --DD Would you get more horsepower out of custom headers and custom exhaust? How much do you think? |
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| Dave_Darling |
Dec 14 2014, 12:32 AM
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#11
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914 Idiot Group: Members Posts: 14,986 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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Depends on how good your exhaust builder is. The really good setups (like the Tangerine Racing header) can get you 5-10 HP out of a stock motor, or significantly more with a larger or hotter motor. Others are less effective, and some may even cost you some power.
--DD |
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