diff --git a/node/impl/client/client.go b/node/impl/client/client.go
index c36813ba2..050d9ab24 100644
--- a/node/impl/client/client.go
+++ b/node/impl/client/client.go
@@ -82,9 +82,8 @@ type API struct {
 
 	Imports dtypes.ClientImportMgr
 
-	CombinedBstore dtypes.ClientBlockstore // TODO: try to remove
-	DataTransfer   dtypes.ClientDataTransfer
-	Host           host.Host
+	DataTransfer dtypes.ClientDataTransfer
+	Host         host.Host
 
 	// TODO How do we inject the Repo Path here ?
 }
@@ -125,28 +124,14 @@ func (a *API) dealStarter(ctx context.Context, params *api.StartDealParams, isSt
 			return nil, xerrors.New("stateless storage deals can only be initiated with storage price of 0")
 		}
 	} else if params.Data.TransferType == storagemarket.TTGraphsync {
-		importIDs, err := a.imgr().List()
+		c, err := a.imgr().CARV2FilePathFor(params.Data.Root)
 		if err != nil {
-			return nil, xerrors.Errorf("failed to fetch import IDs: %w", err)
+			return nil, xerrors.Errorf("failed to find CARv2 file path: %w", err)
 		}
-
-		for _, importID := range importIDs {
-			info, err := a.imgr().Info(importID)
-			if err != nil {
-				continue
-			}
-			if info.Labels[importmgr.LRootCid] == "" {
-				continue
-			}
-			c, err := cid.Parse(info.Labels[importmgr.LRootCid])
-			if err != nil {
-				continue
-			}
-			if c.Equals(params.Data.Root) {
-				CARV2FilePath = info.Labels[importmgr.LCARv2FilePath]
-				break
-			}
+		if c == "" {
+			return nil, xerrors.New("no CARv2 file path for deal")
 		}
+		CARV2FilePath = c
 	}
 
 	walletKey, err := a.StateAccountKey(ctx, params.Wallet, types.EmptyTSK)
@@ -413,29 +398,14 @@ func (a *API) newDealInfoWithTransfer(transferCh *api.DataTransferChannel, v sto
 
 func (a *API) ClientHasLocal(ctx context.Context, root cid.Cid) (bool, error) {
 	// TODO: check if we have the ENTIRE dag
-	importIDs, err := a.imgr().List()
+	carv2Path, err := a.imgr().CARV2FilePathFor(root)
 	if err != nil {
-		return false, xerrors.Errorf("failed to list imports: %w", err)
+		return false, err
 	}
-
-	for _, importID := range importIDs {
-		info, err := a.imgr().Info(importID)
-		if err != nil {
-			continue
-		}
-		if info.Labels[importmgr.LRootCid] == "" {
-			continue
-		}
-		c, err := cid.Parse(info.Labels[importmgr.LRootCid])
-		if err != nil {
-			continue
-		}
-		if c.Equals(root) {
-			return true, nil
-		}
+	if len(carv2Path) == 0 {
+		return false, nil
 	}
-
-	return false, nil
+	return true, nil
 }
 
 func (a *API) ClientFindData(ctx context.Context, root cid.Cid, piece *cid.Cid) ([]api.QueryOffer, error) {
@@ -1006,11 +976,24 @@ func (w *lenWriter) Write(p []byte) (n int, err error) {
 }
 
 func (a *API) ClientDealSize(ctx context.Context, root cid.Cid) (api.DataSize, error) {
-	dag := merkledag.NewDAGService(blockservice.New(a.CombinedBstore, offline.Exchange(a.CombinedBstore)))
+	carv2FilePath, err := a.imgr().CARV2FilePathFor(root)
+	if err != nil {
+		return api.DataSize{}, xerrors.Errorf("failed to find CARv2 file for root: %w", err)
+	}
+	if len(carv2FilePath) == 0 {
+		return api.DataSize{}, xerrors.New("no CARv2 file for root")
+	}
 
+	rdOnly, err := blockstore.OpenReadOnly(carv2FilePath, false)
+	if err != nil {
+		return api.DataSize{}, xerrors.Errorf("failed to open read only blockstore: %w", err)
+	}
+	defer rdOnly.Close() //nolint:errcheck
+
+	dag := merkledag.NewDAGService(blockservice.New(rdOnly, offline.Exchange(rdOnly)))
 	w := lenWriter(0)
 
-	err := car.WriteCar(ctx, dag, []cid.Cid{root}, &w)
+	err = car.WriteCar(ctx, dag, []cid.Cid{root}, &w)
 	if err != nil {
 		return api.DataSize{}, err
 	}
@@ -1024,12 +1007,25 @@ func (a *API) ClientDealSize(ctx context.Context, root cid.Cid) (api.DataSize, e
 }
 
 func (a *API) ClientDealPieceCID(ctx context.Context, root cid.Cid) (api.DataCIDSize, error) {
-	dag := merkledag.NewDAGService(blockservice.New(a.CombinedBstore, offline.Exchange(a.CombinedBstore)))
+	carv2FilePath, err := a.imgr().CARV2FilePathFor(root)
+	if err != nil {
+		return api.DataCIDSize{}, xerrors.Errorf("failed to find CARv2 file for root: %w", err)
+	}
+	if len(carv2FilePath) == 0 {
+		return api.DataCIDSize{}, xerrors.New("no CARv2 file for root")
+	}
 
+	rdOnly, err := blockstore.OpenReadOnly(carv2FilePath, false)
+	if err != nil {
+		return api.DataCIDSize{}, xerrors.Errorf("failed to open read only blockstore: %w", err)
+	}
+	defer rdOnly.Close() //nolint:errcheck
+
+	dag := merkledag.NewDAGService(blockservice.New(rdOnly, offline.Exchange(rdOnly)))
 	w := &writer.Writer{}
 	bw := bufio.NewWriterSize(w, int(writer.CommPBuf))
 
-	err := car.WriteCar(ctx, dag, []cid.Cid{root}, w)
+	err = car.WriteCar(ctx, dag, []cid.Cid{root}, w)
 	if err != nil {
 		return api.DataCIDSize{}, err
 	}
diff --git a/node/repo/importmgr/mgr.go b/node/repo/importmgr/mgr.go
index e96a7ac03..4148e02de 100644
--- a/node/repo/importmgr/mgr.go
+++ b/node/repo/importmgr/mgr.go
@@ -7,6 +7,7 @@ import (
 	"strconv"
 
 	"github.com/filecoin-project/go-fil-markets/shared"
+	"github.com/ipfs/go-cid"
 	"github.com/ipfs/go-datastore/query"
 	"golang.org/x/xerrors"
 
@@ -123,6 +124,32 @@ func (m *Mgr) Remove(id uint64) error {
 	return nil
 }
 
+func (m *Mgr) CARV2FilePathFor(dagRoot cid.Cid) (string, error) {
+	importIDs, err := m.List()
+	if err != nil {
+		return "", xerrors.Errorf("failed to fetch import IDs: %w", err)
+	}
+
+	for _, importID := range importIDs {
+		info, err := m.Info(importID)
+		if err != nil {
+			continue
+		}
+		if info.Labels[LRootCid] == "" {
+			continue
+		}
+		c, err := cid.Parse(info.Labels[LRootCid])
+		if err != nil {
+			continue
+		}
+		if c.Equals(dagRoot) {
+			return info.Labels[LCARv2FilePath], nil
+		}
+	}
+
+	return "", nil
+}
+
 func (m *Mgr) NewTempFile(id uint64) (string, error) {
 	file, err := ioutil.TempFile(m.repoPath, fmt.Sprintf("%d", id))
 	if err != nil {