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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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2.3 Fuel and Ignition chipsViews : 1240 Replies : 20Users Viewing This Thread : |
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Jan 15th, 2024, 12:52 | #1 |
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2.3 Fuel and Ignition chips
I have a 1997 940 2.3 LPT. I am running an 8psi wastegate actuator as my only mod.
Has anybody used the below chips? Sounds good to get 200bhp from the car at 8psi. Especially as I could probably up that to 12psi without pinging or pre det. Cheers https://www.etsy.com/uk/listing/1499...BoCdF4QAvD_BwE |
Jan 15th, 2024, 17:33 | #2 | |
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Never used or even seen that sellers chips before so can't comment there. I do have a set of Stage 1 chips I'd let go for half what that sellers asking if any good to you. Do you have a gold EZK or a black boxed EZK with the daughterboard mod? Not all EZK are chippable FYI - All fuel ECU chippable. Sorry if you know already! |
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Jan 15th, 2024, 19:15 | #3 |
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With what you have done changing chips is not going to improve anything for you. You chip to match modifications
Also in that listing i could not see mention of selecting the right ECU group as you need to use a chip of teh correct group to the ECU you have or it will not work |
Jan 15th, 2024, 22:11 | #4 | ||
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Jan 15th, 2024, 22:54 | #5 | |
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Correct on how they work, with addition of removing fuel cut. TBH, you dont "need" chips if you under fuel cut level on stock everything but good chips give a little better response, AFR, driveability etc. Your bang for buck and big difference is a manual boost controller by far. |
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Jan 16th, 2024, 09:34 | #6 | |
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All chip tuning is the same. Adjust the map to match modifications. At the moment you dont have any mods to adjust to. Remapping on modern cars is often all that is needed to increase power as the turbo is electronically controlled so boost can be increased via the ECU |
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Jan 16th, 2024, 11:33 | #7 | |
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I need to start selling my own chips, most on the market are rubbish! I would actually show the fuel and ignition maps and any other changes.
After a thorough service and replacing all maintenence items: Level 1 includes my chips, 3" decatted exhaust, M cam, and 13psi gives around 220hp and 320nm. This is good enough to be quicker than an 850 T5m 30-50 (2.1 vs 2.6), 30-70 (6.7 vs 7.0), and 30-80 (9.0 vs 9.3), according to dragy/vbox data. Stage 2 requires the previous mods, plus an intercooler (a decent one, not an ebay special), a camshaft with more lift and duration like a V cam, and 15psi. The stock intercooler particularly is quite a big limitation, so changing that allows the last few hp from the stock turbo, 240hp and 340nm. Phase 3 requires the previous mods, plus injectors and changing the stock 13c turbo for a 15g, this will then allow mapping to 265hp and 360nm. Tier 4 requires the previous mods, plus a 3" maf and changing the 15g to a 19t, which would allow mapping to 300hp and 390nm. Quote:
__________________
MY97 940 CD LPT Super Sports Edition 2 Turbo, Midnight Purple, 175,000 miles. |
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The Following User Says Thank You to baggy798 For This Useful Post: |
Jan 16th, 2024, 18:35 | #8 | |
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I notice most chip producers don't show a dyno chart and that makes me a little... dubious? Fair play for offering to post up the details of yours!! |
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Jan 16th, 2024, 22:35 | #9 | |
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Even N/A cars benefit slightly from ignition and fuel maps. |
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Jan 17th, 2024, 20:42 | #10 | |
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The gains are tiny and you would need to map to the car to get them rather than a generic chip. By the later ECU's Volvo had it pretty much spot on. If you make changes like bigger turbo, cam with more lift/duration etc then you want chips to match |
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