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#351 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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![]() Nothing to add specifically to your post but with regards to plugs, I'm going to use the Denso TT plugs. If I understand it correctly the ground electrode sees the "wear" on the exhaust stroke in wasted spark application.
Figure I will want longer wearing electrodes on both ends. |
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#352 | |
Board Member
Join Date: Aug 2014
Location: Boulder, Colorado
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![]() Quote:
http://www.hotrod.com/articles/spark-plug-guide/ |
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#353 | |
Board Member
![]() Join Date: May 2008
Location: Rockland County, NY
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#354 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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![]() '89 245 N/A with Buchka board, LS2 coils, Yoshi daughter board with Turbtankshane chip for correct dwell. Got it all wired up and it will finally start but is missing. I've confirmed that my wiring coming out of the coils is correct.
When I turn the key to position II I can hear the pump prime and a couple of times the engine will jump as of a coil is firing before the car is started. Any suggestions? |
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#355 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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![]() Seems 1 & 4 are firing but 2 & 3.....not so much.
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#356 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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![]() Sent photos of my setup to Karl and Chris. I was using pins 24 and 25 on the EZK for the two outgoing logic wires. 24 seems to be ok but 25 is no bueno. After re-reading this thread it looks like pins 14 and 15 are safe so I've soldered outgoing on those pins. We'll see if that works tomorrow morning.
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#357 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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![]() All sorted and it runs great. Now to gut a relay and get the tach working.
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#358 |
His Dudeness, El Duderino
Join Date: Dec 2009
Location: Torrance, CA
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![]() Great to hear you got it sorted out...I'm glad we could help!
Go out and enjoy it. I still have to get my tach sorted out too - I'm procrastinating on that. There's an original spark output wire from the EZK that "might" work to drive the tach even without a relay. I'll report back if that works. |
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#359 |
Board Member
Join Date: Mar 2009
Location: Charlotte, NC
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![]() Is anyone still making coil brackets like the BTI one?
Purchased a coil and powerstage last weekend, just waiting for the boards to return in stock.
__________________
'90 244 '94 945T ipd cam, springs, sways, brace, 16T, TLAO chips, wasted spark, do88 IC |
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#360 | |
Board Member
Join Date: Sep 2015
Location: Kansas City
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![]() Quote:
It always amazes me how I see things so abstract until I get my hands on things, then start piecing it together....suddenly.....it all makes sense and is simple. |
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#361 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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![]() Is it possible that after installing the wasted spark that the fueling requirements could change? IOW additional fuel with a slightly larger injector?
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#362 |
Board Member
Join Date: Nov 2010
Location: N.Y.
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![]() It seems like there might be another option somewhere from the popular North American brands rather than using these?
Right now, I'm using 4 of the wires from the NGK kit for the V8 Land Rover in which that coil comes stock, and the lengths are a bit longer than ideal. At $20 for the 8-pack, I could source the shortest 2 wires from 2 kits, but it would be nice to see some large diameter wire options as well. |
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#363 |
Våga Vägra 8V
Join Date: Apr 2006
Location: Lower Saxony
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![]() has any of you guys to experienced advantage in milage?
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#364 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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![]() I haven't seen any additional mileage gains, no.
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#365 |
Board Member
Join Date: Nov 2014
Location: MA
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![]() For tach signal back, keep the wires on the coil or wire in a relay where it was.
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#366 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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#367 |
Board Member
Join Date: Mar 2009
Location: Derby, UK
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![]() i thought the point of using the J702T unit was to use the tach driver onboard?
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#368 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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#369 |
Board Member
Join Date: Mar 2009
Location: Derby, UK
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![]() its the power unit, not the coil but anyway the above sketches are suggesting that the unit needs a relay?
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#370 |
Board Member
Join Date: Sep 2015
Location: Kansas City
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#371 |
Board Member
Join Date: Mar 2009
Location: Charlotte, NC
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#372 | |
negahrevl
Join Date: Sep 2013
Location: Cinsanity, OH
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![]() Random update:
If anyone is seeking to go with the components detailed in the diagram above, the necessary wiring connectors can be purchased new for a cleaner install: Connector for Bosch 0 221 503 407: TE Connectivity 282191-1 Connector for Mitsubishi J702T: Sumitomo DL 090-8S-2 (benefits from one terminal plug to prevent moisture ingress: Sumitomo 7160-9787)
__________________
Feedback Thread 7/900 Parts for Sale Quote:
1987 Volvo 740 Sedan ~180k - awaiting complete disassembly and scrapping 1989 Volvo 740 Turbo Intercooler Wagon ~155k - hardware store mbc + 4.10 final drive + horrible fuel economy + dead blower motor = favorite daily 1995 Volvo 940 Sedan ~183k - undecided fate (too nice to scrap, too boring to keep, too archaic to sell) |
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#373 |
Board Member
Join Date: Oct 2011
Location: summerville, south carolina
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![]() Nice^ I bought a used j702t connector.
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#374 |
Board Member
Join Date: Aug 2016
Location: France
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![]() As an utter noob at wiring and anything related, I must ask: what's the recommended wire gauge for this, and no need for shielded, right...?
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#375 |
Board Member
Join Date: Oct 2011
Location: summerville, south carolina
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