2point6's final dyno... for now
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From: Tucson, AZ, USA
2point6's final dyno... for now
This is the engine from my accord dropped in the Civic. I have almost 70K miles on it.
Only changes as of this dyno were: hondata S300 instead of Neptune, Skunk Pro 1 cams instead of Webs, Skunk springs and retainers instead of webs. All other thing stayed the same.
During this tuning session, we killed the altenator and power started to drop. you can see that power was continuing to rise, but we stopped spinning it as high.
Here is a repost of the build-up.
Engine Block: '93 H22a "bored and stroked" to 2.44ltrs of displacement built by Collective Racing. Custom 98mm Crank, Darton sleeves, Crower Pro-billet rods, 12/1 compression 89mm JE pistons, Prodrive oil pump, ATR crank pulley, manual timing belt tensioner conversion, ARP main studs.
Cylinder head: Vance and Hines portwork, Skunk2 Pro 1 camshafts, Skunk2 springs and titainium retainers, 2000 Prelude LMAs, 50mm TWM ITBs, RC engineering 440cc Fuel injectors, STR cam seal, Skunk2 cam gears, RMF 4-1 header, ARP head studs, Cometic head gasket.
Misc: NGK wires, Hondata S300 engine management
Unfortunately, at the track, the engine let go, putting and end to this engine. After teardown, we found foriegn debris had held a valve open and caused it to "Kick the bucket"
It actally still ran, but cylinder 3 was in bad shape. The piston held up though... with a large dent in it, but it held together strangely enough.
The head has been 100% repaired at the expense of minor welding and 4 valves.
The block will also be repaired, but will be fully rebuilt and put back in my Accord.
A new block is being built for the Civic and should make even more power with some of the changes to follow.
New changes will be to Skunk2 pro 2 cams. We are hoping for over 280 whp with 12/1 compression on 91 octane, knife edged crank, lighter rods and pistons. We will see soon.
Only changes as of this dyno were: hondata S300 instead of Neptune, Skunk Pro 1 cams instead of Webs, Skunk springs and retainers instead of webs. All other thing stayed the same.
During this tuning session, we killed the altenator and power started to drop. you can see that power was continuing to rise, but we stopped spinning it as high.
Here is a repost of the build-up.
Engine Block: '93 H22a "bored and stroked" to 2.44ltrs of displacement built by Collective Racing. Custom 98mm Crank, Darton sleeves, Crower Pro-billet rods, 12/1 compression 89mm JE pistons, Prodrive oil pump, ATR crank pulley, manual timing belt tensioner conversion, ARP main studs.
Cylinder head: Vance and Hines portwork, Skunk2 Pro 1 camshafts, Skunk2 springs and titainium retainers, 2000 Prelude LMAs, 50mm TWM ITBs, RC engineering 440cc Fuel injectors, STR cam seal, Skunk2 cam gears, RMF 4-1 header, ARP head studs, Cometic head gasket.
Misc: NGK wires, Hondata S300 engine management
Unfortunately, at the track, the engine let go, putting and end to this engine. After teardown, we found foriegn debris had held a valve open and caused it to "Kick the bucket"
It actally still ran, but cylinder 3 was in bad shape. The piston held up though... with a large dent in it, but it held together strangely enough.
The head has been 100% repaired at the expense of minor welding and 4 valves.
The block will also be repaired, but will be fully rebuilt and put back in my Accord.
A new block is being built for the Civic and should make even more power with some of the changes to follow.
New changes will be to Skunk2 pro 2 cams. We are hoping for over 280 whp with 12/1 compression on 91 octane, knife edged crank, lighter rods and pistons. We will see soon.
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Posts: 4,167
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From: Atlanta
Re: (SB tuning)
Im sorry to hear about your engine Scott, but theres no doubt in my mind you will come back bigger and better than ever!
to Collective Racing and one of the leaders in H series engine advances!
to Collective Racing and one of the leaders in H series engine advances!
Re: 2point6's final dyno... for now (2point6)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2point6 »</TD></TR><TR><TD CLASS="quote">
Unfortunately, at the track, the engine let go, putting and end to this engine. After teardown, we found foriegn debris had held a valve open and caused it to "Kick the bucket"
</TD></TR></TABLE>
is this an advertisement to filtering ITB's or what?
Unfortunately, at the track, the engine let go, putting and end to this engine. After teardown, we found foriegn debris had held a valve open and caused it to "Kick the bucket"
</TD></TR></TABLE>
is this an advertisement to filtering ITB's or what?
Honda-Tech Member
Joined: Mar 2004
Posts: 15,050
Likes: 3
Re: (Pippen_001)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Pippen_001 »</TD></TR><TR><TD CLASS="quote">Nice numbers hope to see the new dynosheet with the pro 2s. Got some questions about your built.
What's the exhaust diameter? 2.5 or 3"
What are the duty cycles of those 440? Getting maxed out or not?</TD></TR></TABLE>
most likely that dyno was open header....
What's the exhaust diameter? 2.5 or 3"
What are the duty cycles of those 440? Getting maxed out or not?</TD></TR></TABLE>
most likely that dyno was open header....
Thread Starter
Honda-Tech Member
Joined: Nov 2001
Posts: 3,396
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From: Tucson, AZ, USA
Re: (bb4ever)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bb4ever »</TD></TR><TR><TD CLASS="quote">
most likely that dyno was open header....</TD></TR></TABLE>
The dyno was open header. For the street, I usually run a 3" mandrel bent exaust that Randy made for my Accord.
After a few track passes, we saw the duty cycle peak at over 100%. An upgrade is a must.
most likely that dyno was open header....</TD></TR></TABLE>
The dyno was open header. For the street, I usually run a 3" mandrel bent exaust that Randy made for my Accord.
After a few track passes, we saw the duty cycle peak at over 100%. An upgrade is a must.
Honda-Tech Member
Joined: Jul 2004
Posts: 683
Likes: 0
Re: (2point6)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2point6 »</TD></TR><TR><TD CLASS="quote">
The dyno was open header. For the street, I usually run a 3" mandrel bent exaust that Randy made for my Accord.
After a few track passes, we saw the duty cycle peak at over 100%. An upgrade is a must.</TD></TR></TABLE>
The dyno was open header. For the street, I usually run a 3" mandrel bent exaust that Randy made for my Accord.
After a few track passes, we saw the duty cycle peak at over 100%. An upgrade is a must.</TD></TR></TABLE>
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