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Sept 16, 2024 8:29:52 GMT
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I've already checked that by blanking the iacv pipe off and it was still there.
Ive just had a Honda loving friend message me and told my to check my tb, especially the idle bleed screw. Apparently this whistling is a very common problem with Hondas that use the sand tb I have ie civic, integras, crxs etc etc. Quite a lot of threads about it.
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Sept 16, 2024 9:42:17 GMT
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ah excellent !
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Sept 16, 2024 20:22:31 GMT
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The whistle is probably in the throttle body. Did you drill any extra holes in it for vacuum take-offs?
Vitesse EFI had such a whistle on very light throttle with a small range of variable tone over a short section of travel. Wasn’t enough to be irritating (sounded almost like a turbo spooling), so I ignored it for 20 years. It went when I fitted ITBs but, bizarrely, when I returned to the original plenum setup recently the noise has gone, even though I’ve simply bolted the whole lot back onto the head exactly as it was….
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1967 Triumph Vitesse convertible (old friend) 1996 Audi A6 2.5 TDI Avant (still durability testing) 1972 GT6 Mk3 (Restored after loong rest & getting the hang of being a car again)
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Sept 16, 2024 22:16:48 GMT
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There's no extra holes anywhere. The vac signal is from the standard pickup on the honda TB. Should I just fit my itbs.....
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Sept 17, 2024 10:09:57 GMT
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There's no extra holes anywhere. The vac signal is from the standard pickup on the honda TB. Should I just fit my itbs..... Oh yes, yes, definitely ...
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Sept 17, 2024 18:42:46 GMT
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There's no extra holes anywhere. The vac signal is from the standard pickup on the honda TB. Should I just fit my itbs..... I think this might be the solution you're looking for
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teaboy
Posted a lot
Make tea, not war.
Posts: 2,092
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Sept 17, 2024 20:53:29 GMT
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Should I just fit my itbs..... I think this might be the solution you're looking for Or is it the solution that WE are looking for?
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mk2cossie
Club Retro Rides Member
Posts: 3,036
Club RR Member Number: 77
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Sept 17, 2024 20:59:14 GMT
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I think this might be the solution you're looking for Or is it the solution that WE are looking for? Either is the correct answer if the question is "should I fit ITBs"
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Sept 17, 2024 21:01:57 GMT
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Sorry to hear your throttle body is irreparable. If you were to have 6 separate, some might say individual throttle bodies no doubt the chance of failure would reduce. I note the Valkyrie appears to have 6 28mm carbs that could possibly be repurposed.
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Sept 18, 2024 8:49:41 GMT
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Sorry to hear your throttle body is irreparable. If you were to have 6 separate, some might say individual throttle bodies no doubt the chance of failure would reduce. I note the Valkyrie appears to have 6 28mm carbs that could possibly be repurposed. If you need one set of parts from Valkyrie heads, you should order the whole set to save on postage. Nothing at all to do with the racier cam and solid lifters that brings as well. Honest. Purely for financial efficiency. Yours sincerely Team Scope Creep Subsidiary of Enablement Corp Ltd., Pusher Lane, Hoarderton, Spend, DO1T NOW
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jimi
Club Retro Rides Member
Posts: 2,094
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Sept 18, 2024 15:45:17 GMT
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Sorry to hear your throttle body is irreparable. Confused, did I miss something ?
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Black is not a colour ! .... Its the absence of colour
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Sept 19, 2024 15:55:41 GMT
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Sorry to hear your throttle body is irreparable. Confused, did I miss something ? Shhhh, we're trying to convince him to buy go-fast bits he doesn't strictly need
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jimi
Club Retro Rides Member
Posts: 2,094
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Sept 19, 2024 20:47:38 GMT
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I think he already has them
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Black is not a colour ! .... Its the absence of colour
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Sept 20, 2024 1:01:48 GMT
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I think he already has them yep- I do indeed. But ssssssshhhh. Keep it a secret
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mylittletony
Posted a lot
Posts: 2,394
Club RR Member Number: 84
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Sept 20, 2024 6:38:22 GMT
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yep- I do indeed. But ssssssshhhh. Keep it a secret Oooh, you're building a flat eight out of 2 sixes - can't wait for that!!
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